IC芯片HC257品牌、價格、PDF參數(shù)

digi-key • ecia (neda) member • authorized distributor
元器件型號 廠商 描述 digi-key # 數(shù)量 價格
74ahc257d,112 nxp semiconductors ic quad 2-in mux 3-st 16soic 74ahc257d,112-nd 0
3000 : $0.29
74ahc257d,118 nxp semiconductors ic quad 2-in mux 3-st 16soic 74ahc257d,118-nd 0
5000 : $0.27
74ahc257pw,112 nxp semiconductors ic quad 2-in mux 3-st 16tssop 74ahc257pw,112-nd 0
4800 : $0.27
74ahc257pw,118 nxp semiconductors ic quad 2-in mux 3-st 16tssop 74ahc257pw,118-nd 0
5000 : $0.27
74hc257d,652 nxp semiconductors ic quad 2-in mux 3-st 16-soic 568-2654-5-nd 3054
tube
1 : $0.80
10 : $0.70
25 : $0.62
100 : $0.54
250 : $0.47
500 : $0.40
1000 : $0.32
2500 : $0.29
5000 : $0.27
see more
74hc257db,112 nxp semiconductors ic quad 2-in mux 3-st 16-ssop 568-2655-5-nd 0
1092 : $0.3874
74hc257db,118 nxp semiconductors ic quad 2-in mux 3-st 16ssop 74hc257db,118-nd 0
2000 : $0.351
74hc257n,652 nxp semiconductors ic mux quad 2input 3state 16dip 568-1425-5-nd 1049
tube
1 : $0.80
10 : $0.70
25 : $0.62
100 : $0.54
250 : $0.47
500 : $0.40
1000 : $0.32
2500 : $0.29
5000 : $0.27
see more
74hc257pw,112 nxp semiconductors ic quad 2-in mux 3-st 16tssop 74hc257pw,112-nd 0
4800 : $0.27
74hc257pw,118 nxp semiconductors ic quad 2-in mux 3-st 16tssop 74hc257pw,118-nd 0
5000 : $0.27
74vhc257mtr stmicroelectronics ic mux quad 2chan 3-state 16soic 74vhc257mtr-nd 0
2500 : $0.308
74vhc257ttr stmicroelectronics ic mux quad 2chan 3state 16tssop 74vhc257ttr-nd 0
5000 : $0.23
cd74hc257e texas instruments ic quad 2-in mux hs tri-st 16dip cd74hc257e-nd 0
1000 : $0.3795
cd74hc257ee4 texas instruments ic quad 2-in mux hs tri-st 16dip cd74hc257ee4-nd 0
1000 : $0.3795
cd74hc257m texas instruments ic quad 2-in mux hs 3-st 16soic cd74hc257m-nd 0
920 : $0.4582
cd74hc257m96 texas instruments ic quad 2-in mux hs 3-st 16soic cd74hc257m96-nd 0
2500 : $0.3335
cd74hc257m96e4 texas instruments ic quad 2-in mux hs 3-st 16soic cd74hc257m96e4-nd 0
2500 : $0.3335
cd74hc257m96g4 texas instruments ic quad 2in mux hs tri-st 16soic cd74hc257m96g4-nd 0
2500 : $0.3335
cd74hc257me4 texas instruments ic quad 2-in mux hs 3-st 16soic cd74hc257me4-nd 0
920 : $0.4582
cd74hc257mg4 texas instruments ic quad 2in mux hs tri-st 16soic cd74hc257mg4-nd 0
920 : $0.4582
cd74hc257mt texas instruments ic quad 2-in mux hs 3-st 16soic cd74hc257mt-nd 0
750 : $0.631
cd74hc257mte4 texas instruments ic quad 2-in mux hs 3-st 16soic cd74hc257mte4-nd 0
750 : $0.631
cd74hc257mtg4 texas instruments ic quad 2in mux hs tri-st 16soic cd74hc257mtg4-nd 0
750 : $0.631
m74hc257b1r stmicroelectronics ic multiplexer quad 2ch 16-dip 497-1810-5-nd 1609
tube
1 : $0.15
1000 : $0.105
m74hc257rm13tr stmicroelectronics ic multiplexer quad 2ch 16-soic 497-1811-2-nd 5000
tape & reel
2500 : $0.226
5000 : $0.212
10000 : $0.197
25000 : $0.186
50000 : $0.183
see more
m74hc257rm13tr stmicroelectronics ic multiplexer quad 2ch 16-soic 497-1811-1-nd 6714
cut tape
1 : $0.80
10 : $0.642
100 : $0.4818
250 : $0.4161
500 : $0.3577
1000 : $0.2774
see more
m74hc257rm13tr stmicroelectronics ic multiplexer quad 2ch 16-soic 497-1811-6-nd 6714
digi-reel®
1 : $0.80
10 : $0.642
100 : $0.4818
250 : $0.4161
500 : $0.3577
1000 : $0.2774
see more
mc74vhc257dtg on semiconductor ic mux quad 2chan 3st 16-tssop mc74vhc257dtg-nd 0
3072 : $0.1656
mc74vhc257dg on semiconductor ic mux quad 2chan 3st 16-soic mc74vhc257dg-nd 0
4176 : $0.1292
mc74vhc257dr2 on semiconductor ic mux quad 2chan 3state 16soic mc74vhc257dr2os-nd 0
2500 : $0.21
mc74vhc257dr2g on semiconductor ic mux quad 2chan 3state 16soic mc74vhc257dr2gos-nd 0
5000 : $0.1214
mc74vhc257dt on semiconductor ic mux quad 2chan 3st 16-tssop mc74vhc257dt-nd 0
2208 : $0.21
mc74vhc257dtr2 on semiconductor ic mux quad 2chan 3state 16tssop mc74vhc257dtr2os-nd 0
2500 : $0.21
mc74vhc257dtr2g on semiconductor ic mux quad 2chan 3state 16tssop mc74vhc257dtr2gos-nd 0
5000 : $0.1549
mc74vhc257m on semiconductor ic mux quad 2chan 3st 16-soeiaj mc74vhc257m-nd 0
2150 : $0.239
mc74vhc257mel on semiconductor ic mux quad 2chan 3st 16-soeiaj mc74vhc257mel-nd 0
4000 : $0.2197
mc74vhc257melg on semiconductor ic mux quad 2chan 3st 16-soeiaj mc74vhc257melg-nd 0
4000 : $0.2197
mc74vhc257mg on semiconductor ic mux quad 2chan 3st 16-soeiaj mc74vhc257mg-nd 0
1900 : $0.2782
sn74hc257d texas instruments ic quad 2-to-1 sel/mux 16-soic 296-8284-5-nd 2046
tube
1 : $0.66
25 : $0.4832
100 : $0.414
250 : $0.3588
500 : $0.3036
1000 : $0.2346
2500 : $0.2139
5000 : $0.2001
10000 : $0.1863
see more
sn74hc257de4 texas instruments ic selector/mux qd 2-1 16-soic sn74hc257de4-nd 0
2000 : $0.2139
sn74hc257dg4 texas instruments ic data selector/mux sgl 16soic sn74hc257dg4-nd 0
2000 : $0.2139
sn74hc257dr texas instruments ic quad 2-1 data sel/mux 16-soic 296-14846-2-nd 0
2500 : $0.178
sn74hc257dr texas instruments ic quad 2-1 data sel/mux 16-soic 296-14846-1-nd 0
1 : $0.63
25 : $0.4428
100 : $0.3795
250 : $0.3278
500 : $0.2818
1000 : $0.2185
see more
sn74hc257dr texas instruments ic quad 2-1 data sel/mux 16-soic 296-14846-6-nd 0
1 : $0.63
25 : $0.4428
100 : $0.3795
250 : $0.3278
500 : $0.2818
1000 : $0.2185
see more
sn74hc257dre4 texas instruments ic selector/mux qd 2-1 16-soic sn74hc257dre4-nd 0
2500 : $0.178
sn74hc257drg4 texas instruments ic selector/mux qd 2-1 16-soic sn74hc257drg4-nd 0
2500 : $0.178
sn74hc257dt texas instruments ic selector/mux qd 2-1 16-soic sn74hc257dt-nd 0
1000 : $0.398
sn74hc257dte4 texas instruments ic selector/mux qd 2-1 16-soic sn74hc257dte4-nd 0
1000 : $0.398
sn74hc257dtg4 texas instruments ic data selector/mux sgl 16soic sn74hc257dtg4-nd 0
1000 : $0.398
sn74hc257n texas instruments ic quad 2-to-1 sel/mux 16-dip 296-8285-5-nd 136
tube
1 : $0.52
25 : $0.3812
100 : $0.3267
250 : $0.2832
500 : $0.2396
1000 : $0.1851
2500 : $0.1688
5000 : $0.1579
10000 : $0.1499
see more
sn74hc257ne4 texas instruments ic selector/mux qd 2-1 16-dip sn74hc257ne4-nd 0
2000 : $0.1968
sn74hc257nsr texas instruments ic quad 2-to-1 sel/mux 16-sop 296-8286-1-nd 3575
cut tape
1 : $0.70
25 : $0.4888
100 : $0.4191
250 : $0.362
500 : $0.3112
1000 : $0.2413
see more
sn74hc257nsr texas instruments ic quad 2-to-1 sel/mux 16-sop 296-8286-2-nd 0
2000 : $0.197
6000 : $0.184
10000 : $0.171
26000 : $0.162
50000 : $0.159
see more
sn74hc257nsr texas instruments ic quad 2-to-1 sel/mux 16-sop 296-8286-6-nd 3575
digi-reel®
1 : $0.70
25 : $0.4888
100 : $0.4191
250 : $0.362
500 : $0.3112
1000 : $0.2413
see more
sn74hc257pwr texas instruments ic quad 2-to-1 sel/mux 16-tssop 296-8287-6-nd 1777
digi-reel®
1 : $0.63
25 : $0.4428
100 : $0.3795
250 : $0.3278
500 : $0.2818
1000 : $0.2185
see more
sn74hc257nsre4 texas instruments ic selector/mux qd 2-1 16-sop sn74hc257nsre4-nd 0
2000 : $0.197
sn74hc257nsrg4 texas instruments ic data selector/mux sgl 16soic sn74hc257nsrg4-nd 0
2000 : $0.197
sn74hc257pw texas instruments ic selector/mux qd 2-1 16-tssop sn74hc257pw-nd 0
1890 : $0.2346
sn74hc257pwe4 texas instruments ic selector/mux qd 2-1 16-tssop sn74hc257pwe4-nd 0
1890 : $0.2346
sn74hc257pwg4 texas instruments ic selector/mux qd 2-1 16-tssop sn74hc257pwg4-nd 0
1890 : $0.2346
sn74hc257pwr texas instruments ic quad 2-to-1 sel/mux 16-tssop 296-8287-1-nd 1777
cut tape
1 : $0.63
25 : $0.4428
100 : $0.3795
250 : $0.3278
500 : $0.2818
1000 : $0.2185
see more
sn74hc257pwr texas instruments ic quad 2-to-1 sel/mux 16-tssop 296-8287-2-nd 0
2000 : $0.178
6000 : $0.167
10000 : $0.155
26000 : $0.147
50000 : $0.144
see more
sn74hc257pwre4 texas instruments ic selector/mux qd 2-1 16-tssop sn74hc257pwre4-nd 0
4000 : $0.178
sn74hc257pwrg4 texas instruments ic selector/mux qd 2-1 16-tssop sn74hc257pwrg4-nd 0
4000 : $0.178
sn74hc257pwt texas instruments ic selector/mux qd 2-1 16-tssop sn74hc257pwt-nd 0
1000 : $0.398
sn74hc257pwte4 texas instruments ic selector/mux qd 2-1 16-tssop sn74hc257pwte4-nd 0
1000 : $0.398
sn74hc257pwtg4 texas instruments ic data selector/mux sgl 16tssop sn74hc257pwtg4-nd 0
1000 : $0.398
newark • ecia (neda) member • authorized distributor
元器件型號 廠商 描述 newark # 數(shù)量 價格
sn74hc257d texas instruments ic, 2i/p quad data selector/mux, soic-16, each 52f2347 2386
1-24 : $.552
25-99 : $.428
100-249 : $.373
250-499 : $.325
500-999 : $.276
1000-2499 : $.221
2500-4999 : $.201
5000 or more : $.187
see more
sn74hc257n texas instruments ic, 2i/p quad data selector/mux, dip-16, each 60k6833 662
1-24 : $.305
25-99 : $.272
100-249 : $.254
250-499 : $.232
500-999 : $.216
1000-2499 : $.204
2500-4999 : $.185
5000 or more : $.172
see more
cd74hc257m texas instruments ic, 2i/p quad multiplexer, soic-16, each 66f5213 0
1-24 : $.966
25-99 : $.773
100-249 : $.677
250-499 : $.594
500-999 : $.525
1000-2499 : $.414
2500-4999 : $.387
5000 or more : $.367
see more
m74hc257b1r stmicroelectronics ic, 2i/p quad multiplexer, dip-16, each 89k0883 65
1-9 : $.516
10-99 : $.406
100-249 : $.333
250-499 : $.311
500-999 : $.288
1000-1999 : $.268
2000 or more : $.252
see more
sn74hc257pwte4 texas instruments ic, 2i/p quad data selector/mux tssop-16, each 33k6224 0
1-24 : $.928
25-99 : $.742
100-249 : $.65
250-499 : $.57
500-999 : $.504
1000-2499 : $.398
2500-4999 : $.371
5000 or more : $.353
see more
cd74hc257me4 texas instruments ic, 2i/p quad multiplexer, soic-16, each 36k9604 0
1-24 : $.966
25-99 : $.773
100-249 : $.677
250-499 : $.594
500-999 : $.525
1000-2499 : $.414
2500-4999 : $.387
5000 or more : $.367
see more
nte74hc257 nte electronics logic ic, each 31c5563 73
1-99 : $1.56
100-249 : $1.25
250-499 : $1.14
500-999 : $1.05
1000 or more : $.963
see more
cd74hc257mg4 texas instruments ic, 2i/p quad multiplexer, soic-16, each 41m2988 0
1-24 : $.966
25-99 : $.773
100-249 : $.677
250-499 : $.594
500-999 : $.525
1000-2499 : $.414
2500-4999 : $.387
5000 or more : $.367
see more
sn74hc257nsrg4 texas instruments ic, 2i/p quad data selector/mux, sop-16, tape on reel of 1 46m8062 0
1 + : $.159
sn74hc257dt texas instruments ic, 2i/p quad data selector/mux, soic-16, tape on reel of 1 90h3681 0
1 + : $.332
sn74hc257pwg4 texas instruments ic, 2i/p quad data selector/mux tssop-16, each 40k9008 0
1-24 : $.552
25-99 : $.428
100-249 : $.373
250-499 : $.325
500-999 : $.276
1000-2499 : $.221
2500-4999 : $.201
5000 or more : $.187
see more
sn74hc257pwt texas instruments ic, 2i/p quad data selector/mux tssop-16, tape on reel of 1 82h5672 0
1 + : $.332
sn74hc257pwe4 texas instruments ic, 2i/p quad data selector/mux tssop-16, each 69k0342 0
1-24 : $.552
25-99 : $.428
100-249 : $.373
250-499 : $.325
500-999 : $.276
1000-2499 : $.221
2500-4999 : $.201
5000 or more : $.187
see more
sn74hc257nsre4 texas instruments ic, 2i/p quad data selector/mux, sop-16, tape on reel of 1 37k2788 0
1 + : $.159
sn74hc257pwr texas instruments ic, 2i/p quad data selector/mux tssop-16, tape on reel of 1 76c3515 0
1 + : $.144
sn74hc257dtg4 texas instruments ic, 2i/p quad data selector/mux, soic-16, tape on reel of 1 41m4822 0
1 + : $.332
sn74hc257pwtg4 texas instruments ic, 2i/p quad data selector/mux tssop-16, tape on reel of 1 46m8063 0
1 + : $.332
sn74hc257pwrg4 texas instruments ic, 2i/p quad data selector/mux tssop-16, tape on reel of 1 40k9009 0
1 + : $.144
cd74hc257ee4 texas instruments ic, 2i/p quad multiplexer, dip-16, each 36k9603 0
1-24 : $.886
25-99 : $.709
100-249 : $.62
250-499 : $.544
500-999 : $.481
1000-2499 : $.38
2500-4999 : $.355
5000 or more : $.337
see more
cd74hc257m96 texas instruments ic, 2i/p quad multiplexer, soic-16, each 05b6128 0
1-24 : $.92
25-99 : $.713
100-249 : $.621
250-499 : $.541
500-999 : $.46
1000-2499 : $.368
2500-4999 : $.334
5000 or more : $.311
see more
sn74hc257dg4 texas instruments ic, 2i/p quad data selector/mux, soic-16, each 41m4821 0
1-24 : $.552
25-99 : $.428
100-249 : $.373
250-499 : $.325
500-999 : $.276
1000-2499 : $.221
2500-4999 : $.201
5000 or more : $.187
see more
sn74hc257nsr texas instruments ic, 2i/p quad data selector/mux, sop-16, tape on reel of 1 76c3514 0
1 + : $.159
sn74hc257de4 texas instruments ic, 2i/p quad data selector/mux, soic-16, each 37k2784 0
1-24 : $.552
25-99 : $.428
100-249 : $.373
250-499 : $.325
500-999 : $.276
1000-2499 : $.221
2500-4999 : $.201
5000 or more : $.187
see more
sn74hc257pwre4 texas instruments ic, 2i/p quad data selector/mux tssop-16, tape on reel of 1 69k0343 0
1 + : $.144
sn74hc257pw texas instruments ic, 2i/p quad data selector/mux tssop-16, each 22h0351 0
1-24 : $.552
25-99 : $.428
100-249 : $.373
250-499 : $.325
500-999 : $.276
1000-2499 : $.221
2500-4999 : $.201
5000 or more : $.187
see more
sn74hc257drg4 texas instruments ic, 2i/p quad data selector/mux, soic-16, tape on reel of 1 84k3715 0
1 + : $.144
sn74hc257dte4 texas instruments ic, 2i/p quad data selector/mux, soic-16, each 37k2786 0
1-24 : $.928
25-99 : $.742
100-249 : $.65
250-499 : $.57
500-999 : $.504
1000-2499 : $.398
2500-4999 : $.371
5000 or more : $.353
see more
sn74hc257dr texas instruments ic, 2i/p quad data selector/mux, soic-16, tape on reel of 1 76c3513 0
1 + : $.144
sn74hc257ne4 texas instruments ic, 2i/p quad data selector/mux, dip-16, each 37k2787 0
1-24 : $.508
25-99 : $.394
100-249 : $.343
250-499 : $.299
500-999 : $.254
1000-2499 : $.204
2500-4999 : $.185
5000 or more : $.172
see more
sn74hc257dre4 texas instruments ic, 2i/p quad data selector/mux, soic-16, tape on reel of 1 37k2785 0
1 + : $.144
cd74hc257e texas instruments ic, 2i/p quad multiplexer, dip-16, each 06f3081 0
1-24 : $.886
25-99 : $.709
100-249 : $.62
250-499 : $.544
500-999 : $.481
1000-2499 : $.38
2500-4999 : $.355
5000 or more : $.337
see more
cd74hc257m96g4 texas instruments ic, 2i/p quad multiplexer, soic-16, each 41m2990 0
1-24 : $.92
25-99 : $.713
100-249 : $.621
250-499 : $.541
500-999 : $.46
1000-2499 : $.368
2500-4999 : $.334
5000 or more : $.311
see more
cd74hc257mt texas instruments logic, quad 2in mux hs tri, 16so, rl250, spool of 250 34r7034 2
1-9 : $177.42
10-24 : $163.62
25-49 : $152.78
50-99 : $146.86
100 or more : $140.95
see more
sn74hc257pw texas instruments logic, selector/mux qd 2-1, 16tssop, each 34r8771 111
1-249 : $.472
250-499 : $.356
500-999 : $.316
1000-4999 : $.284
5000 or more : $.259
see more
sn74hc257dt texas instruments logic, selector/mux qd 2-1, 16so, rl250, spool of 250 34r8770 3
1-9 : $114.04
10-24 : $105.17
25-49 : $98.2
50-99 : $94.4
100 or more : $90.6
see more
sn74hc257pwt texas instruments logic, select/mux qd 2-1, 16tssop, rl250, spool of 250 34r8772 4
1-9 : $112.64
10-24 : $103.88
25-49 : $97
50-99 : $93.24
100 or more : $89.49
see more
cd74hc257m texas instruments logic, quad 2-in mux hs tri-st, 16soic, each 50r5386 412
1-99 : $.814
100-249 : $.632
250-499 : $.568
500-999 : $.518
1000 or more : $.476
see more
cd74hc257e texas instruments logic, quad 2-in mux hs tri-st, 16dip, each 50r5385 1047
1-249 : $.865
250-499 : $.652
500-999 : $.579
1000-4999 : $.521
5000 or more : $.475
see more
cd74hc257m96e4 texas instruments ic, 2i/p quad multiplexer, soic-16, each 36k9606 0
1-24 : $.92
25-99 : $.713
100-249 : $.621
250-499 : $.541
500-999 : $.46
1000-2499 : $.368
2500-4999 : $.334
5000 or more : $.311
see more
farnell • ecia (neda) member • authorized distributor
元器件型號 廠商 描述 farnell # 數(shù)量 asia 數(shù)量 europe 價格 (gbp)
cd74hc257mt texas instruments logic, quad 2in mux hs tri, 16so, rl250 1753670 0 2
1 : £90.87
cd74hc257e texas instruments logic, quad 2-in mux hs tri-st, 16dip 1740157 0 1301
1 : £0.4
10 : £0.3
100 : £0.26
cd74hc257m texas instruments logic, quad 2-in mux hs tri-st, 16soic 1740158 126 854
1 : £0.66
10 : £0.51
100 : £0.41
m74hc257b1r stmicroelectronics ic, 74hc cmos, 74hc257, dip16, 6v 9755470 25 53
1 : £0.59
10 : £0.43
100 : £0.31
250 : £0.25
500 : £0.22
see more
sn74hc257d texas instruments ic, data selectors/mux, 74hc257 9591346 89 2673
1 : £0.56
10 : £0.35
100 : £0.28
sn74hc257d. texas instruments ic, 2i/p quad data selector/mux, soic-16 1487358 2386 2386
1 : £0.107
sn74hc257dt texas instruments logic, selector/mux qd 2-1, 16so, rl250 1754451 0 3
1 : £67.58
sn74hc257n texas instruments ic, quad data selector/mux 9591354 4671 386
1 : £0.51
10 : £0.32
100 : £0.25
sn74hc257pw texas instruments logic, selector/mux qd 2-1, 16tssop 1753585 39 1422
1 : £0.3
10 : £0.24
100 : £0.1836
sn74hc257pw texas instruments logic, selector/mux qd 2-1, 16tssop 1753585 39 1422
1 : £0.3
10 : £0.24
100 : £0.1836
sn74hc257pwt texas instruments logic, select/mux qd 2-1, 16tssop, rl250 1754453 0 4
1 : £65.15
element14 - asia pacific • authorized distributor
元器件型號 廠商 描述 封裝14 # 數(shù)量 asia 價格 (usd)
m74hc257b1r stmicroelectronics ic, 74hc cmos, 74hc257, dip16, 6v 9755470 43
1 : $0.28
10 : $0.26
sn74hc257pw texas instruments logic, selector/mux qd 2-1, 16tssop 1753585 150
1 : $0.29
10 : $0.26
cd74hc257mt texas instruments logic, quad 2in mux hs tri, 16so, rl250 1753670 2
1 : $200.92
sn74hc257dt texas instruments logic, selector/mux qd 2-1, 16so, rl250 1754451 3
1 : $140.12
sn74hc257pwt texas instruments logic, select/mux qd 2-1, 16tssop, rl250 1754453 4
1 : $140.12
cd74hc257e texas instruments logic, quad 2-in mux hs tri-st, 16dip 1740157 1047
1 : $0.53
10 : $0.48
cd74hc257m texas instruments logic, quad 2-in mux hs tri-st, 16soic 1740158 470
1 : $1.0
10 : $0.81
sn74hc257d texas instruments ic, data selectors/mux, 74hc257 9591346 2129
1 : $0.29
25 : $0.26
sn74hc257n texas instruments ic, quad data selector/mux 9591354 5057
1 : $0.23
25 : $0.21
mouser electronics • ecia (neda) member • authorized distributor
mouser electronics product detail pricing availability
mfr. part #: sn74hc257pwr
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers tri-state quad data
rohs: yes
mouser part #: 595-sn74hc257pwr
1:  $0.63
25:  $0.44
100:  $0.379
250:  $0.327
500:  $0.281
1,900
in stock
mfr. part #: 74hc257d,653
mfr.: nxp
description: encoders, decoders, multiplexers & demultiplexers quad 2-in multiplexer 3-s
rohs: yes
mouser part #: 771-74hc257d-t
1:  $0.42
25:  $0.33
100:  $0.275
250:  $0.249
0:  $0.00
3,361
in stock
mfr. part #: 74ahc257pw,118
mfr.: nxp
description: encoders, decoders, multiplexers & demultiplexers quad 2-input
rohs: yes
mouser part #: 771-ahc257pw118
1:  $0.19
25:  $0.17
100:  $0.15
250:  $0.145
500:  $0.139
5,299
in stock
mfr. part #: 74hc257n,652
mfr.: nxp
description: encoders, decoders, multiplexers & demultiplexers quad 2-in multiplxr
rohs: yes
mouser part #: 771-hc257n652
1:  $0.70
25:  $0.62
100:  $0.54
250:  $0.47
500:  $0.40
1,031
in stock
mfr. part #: m74hc257b1r
mfr.: stmicroelectronics
description: encoders, decoders, multiplexers & demultiplexers quad 2-ch multiplexr
rohs: yes
mouser part #: 511-m74hc257
1:  $0.62
10:  $0.54
100:  $0.418
250:  $0.35
500:  $0.31
2,822
in stock
mfr. part #: sn74hc257d
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers tri-st. quad line
rohs: yes
mouser part #: 595-sn74hc257d
1:  $0.66
25:  $0.48
100:  $0.414
250:  $0.358
500:  $0.303
2,122
in stock
mfr. part #: m74hc257rm13tr
mfr.: stmicroelectronics
description: encoders, decoders, multiplexers & demultiplexers quad 2-ch multiplexr
rohs: yes
mouser part #: 511-m74hc257m-tr
1:  $0.67
10:  $0.53
100:  $0.399
250:  $0.344
500:  $0.296
143
in stock
mfr. part #: sn74hc257n
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers tri-st. quad line
rohs: yes
mouser part #: 595-sn74hc257n
1:  $0.52
25:  $0.381
100:  $0.326
250:  $0.283
500:  $0.239
955
in stock
mfr. part #: 74ahc257d,118
mfr.: nxp
description: encoders, decoders, multiplexers & demultiplexers quad 2-input
rohs: yes
mouser part #: 771-ahc257d118
1:  $0.18
25:  $0.15
100:  $0.144
250:  $0.133
500:  $0.126
5,100
in stock
mfr. part #: 74hc257pw,112
mfr.: nxp
description: encoders, decoders, multiplexers & demultiplexers quad 2-in multiplxr 3-s
rohs: yes
mouser part #: 771-74hc257pw
1:  $0.38
25:  $0.36
100:  $0.308
250:  $0.278
500:  $0.257
3,510
in stock
mfr. part #: sn74hc257pw
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers quad 2-to-1 data slct/mltpx w/3st otp
rohs: yes
mouser part #: 595-sn74hc257pw
1:  $0.59
25:  $0.43
100:  $0.373
250:  $0.323
500:  $0.274
1,907
in stock
mfr. part #: sn74hc257dr
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers quad 2-to-1 data slct/mltpx w/3st otp
rohs: yes
mouser part #: 595-sn74hc257dr
1:  $0.63
25:  $0.44
100:  $0.379
250:  $0.327
500:  $0.281
1,795
in stock
mfr. part #: cd74hc257m
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers quad 2 input
rohs: yes
mouser part #: 595-cd74hc257m
1:  $0.97
25:  $0.77
100:  $0.676
250:  $0.593
500:  $0.458
690
in stock
mfr. part #: cd74hc257e
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers high speed cmos quad 2-input mltplxr
rohs: yes
mouser part #: 595-cd74hc257e
1:  $0.94
25:  $0.75
100:  $0.675
250:  $0.587
500:  $0.50
920
in stock
mfr. part #: 74hc257db,112
mfr.: nxp
description: encoders, decoders, multiplexers & demultiplexers quad 2-in multiplxr
rohs: yes
mouser part #: 771-hc257db112
1:  $0.79
25:  $0.60
100:  $0.53
250:  $0.462
500:  $0.393
936
in stock
mfr. part #: mc74vhc257dtg
mfr.: on semiconductor
description: encoders, decoders, multiplexers & demultiplexers 2-5.5v quad 3-state 2-channel
rohs: yes
mouser part #: 863-mc74vhc257dtg
1:  $0.59
25:  $0.49
100:  $0.443
500:  $0.368
1,000:  $0.294
3,046
in stock
mfr. part #: 74hc257d,652
mfr.: nxp
description: encoders, decoders, multiplexers & demultiplexers quad 2-in mux 3state
rohs: yes
mouser part #: 771-hc257d652
1:  $0.70
25:  $0.62
100:  $0.54
250:  $0.47
500:  $0.40
3,846
in stock
mfr. part #: sn74hc257dg4
mfr.: texas instruments
description: encoders, decoders, multiplexers & demultiplexers quad 2ln to 1ln data selector multiplexr
rohs: yes
mouser part #: 595-sn74hc257dg4
1:  $0.59
25:  $0.43
100:  $0.373
250:  $0.323
500:  $0.274
1,997
in stock
mfr. part #: nte74hc257
mfr.: nte
description: replacement semiconductors quad 2-chan multplxr
rohs: no
mouser part #: 526-nte74hc257
1:  $1.38
100:  $1.24
500:  $1.10
1,000:  $0.99
0:  $0.00
6
in stock
verical • authorized dealer
元器件型號 廠商 描述 rohs 數(shù)量 價格
sn74hc257n texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin pdip tube yes 3650
$0.18
sn74hc257d texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic tube yes 3680
$0.17
sn74hc257dr texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic t/r yes 5000
$0.16
cd74hc257e texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin pdip tube yes 2750
$0.16
mc74vhc257dtr2g on semiconductor multiplexer 1-element cmos 3-st 8-in 16-pin tssop t/r yes 5000
$0.1277
m74hc257rm13tr stmicroelectronics multiplexer 1-element cmos 3-st 8-in 16-pin sop t/r yes 2500
$0.4085
avnet express • ecia (neda) member • authorized distributor
元器件型號 廠商 描述 avnet # 數(shù)量 價格
snj54hc257j texas instruments mltplxr 1-elem cmos 3-st 8-in 16cdip - rail/tube snj54hc257j 4 wks factory lead time
118 : $4.15
500 : $3.99
sn74hc257d texas instruments mltplxr 1-elem cmos 3-st 8-in 16soic - bulk sn74hc257d 939 in stock
1 : $0.1709
100 : $0.1567
500 : $0.1446
74hc257db nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16ssop - rail/tube 74hc257db,112 1092 in stock
1 : $0.3363
100 : $0.3228
500 : $0.3104
sn74hc257n rochester electronics - bulk sn74hc257n 1 wks factory lead time
1250 : $0.2857
mm74hc257j rochester electronics - bulk mm74hc257j 1 wks factory lead time
134 : $2.67
mm54hc257j/883 rochester electronics - bulk mm54hc257j/883 26 wks factory lead time
74 : $5.68
100 : $4.87
mc74hc257fr2 rochester electronics - bulk mc74hc257fr2 1 wks factory lead time
1471 : $0.2429
sn74hc257dbr rochester electronics - bulk sn74hc257dbr 1 wks factory lead time
2084 : $0.1714
cd74hc257m rochester electronics - bulk cd74hc257m 26 wks factory lead time
1786 : $0.20
sn74hc257d rochester electronics - bulk sn74hc257d 1 wks factory lead time
1137 : $0.3143
sn74hc257pwt rochester electronics - bulk sn74hc257pwt 1 wks factory lead time
596 : $0.60
sn74hc257dble rochester electronics - bulk sn74hc257dble 1 wks factory lead time
2084 : $0.1714
mc74vhc257dr2 rochester electronics log cmos quad mltiplxr - bulk mc74vhc257dr2 1 wks factory lead time
3572 : $0.10
mc74vhc257dtr2 rochester electronics log cmos quad mltiplxr - bulk mc74vhc257dtr2 1 wks factory lead time
3572 : $0.10
sn74hc257pw rochester electronics - bulk sn74hc257pw 1 wks factory lead time
1137 : $0.3143
cd54hc257f3a texas instruments mltplxr 1-elem cmos 3-st 8-in 16cdip - rail/tube cd54hc257f3a 4 wks factory lead time
118 : $4.15
500 : $3.99
sn74hc257pw texas instruments mltplxr 1-elem cmos 3-st 8-in 16tssop - bulk sn74hc257pw 2240 in stock
1 : $0.184
mc74vhc257dtr2g on semiconductor mltplxr sgl cmos 3-st 8-in 16tssop - tape and reel mc74vhc257dtr2g 4 wks factory lead time
5000 : $0.1433
5001 : $0.1323
10001 : $0.1229
cd74hc257e rochester electronics - bulk cd74hc257e 1 wks factory lead time
625 : $0.5714
mm74hc257n rochester electronics - bulk mm74hc257n 1 wks factory lead time
463 : $0.7714
m74hc257b1r stmicroelectronics mltplxr sgl cmos 3-st 8-in 16pdip - rail/tube m74hc257b1r 440 in stock
1 : $0.2939
sn74hc257pwrg4 rochester electronics sn74hc257pwrg4 1 wks factory lead time
1389 : $0.2571
mc74vhc257dtg on semiconductor mltplxr sgl cmos 3-st 8-in 16tssop - rail/tube mc74vhc257dtg 5 wks factory lead time
3552 : $0.1229
mc74vhc257dg on semiconductor mltplxr sgl cmos 3-st 8-in 16soic - rail/tube mc74vhc257dg 5 wks factory lead time
4800 : $0.09
mc74vhc257dt rochester electronics - tape and reel mc74vhc257dt 26 wks factory lead time
3572 : $0.10
74hc257pw nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16tssop - rail/tube 74hc257pw,112 3770 in stock
1 : $0.1333
100 : $0.1257
500 : $0.1222
74hc257n,652 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16pdip - bulk 74hc257n,652 6 wks factory lead time
4000 : $0.2014
74ahc257d,112 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16pin so - rail/tube 74ahc257d,112 6 wks factory lead time
6000 : $0.125
74ahc257d,118 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16pin so - tape and reel 74ahc257d,118 6 wks factory lead time
7500 : $0.1286
10001 : $0.125
74ahc257pw,118 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16tssop - tape and reel 74ahc257pw,118 6 wks factory lead time
7500 : $0.1357
10001 : $0.1319
74hc257d nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16pin so - bulk 74hc257d,652 2300 in stock
1 : $0.1136
100 : $0.1071
500 : $0.1042
74hc257d-t nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16pin so - tape and reel 74hc257d,653 5000 in stock
2500 : $0.1136
5001 : $0.1071
10001 : $0.1042
74hc257pw,118 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16tssop - tape and reel 74hc257pw,118 6 wks factory lead time
7500 : $0.1257
10001 : $0.1222
cd74hc257ex rochester electronics - bulk cd74hc257ex 1 wks factory lead time
321 : $1.11
sn74hc257de4 rochester electronics sn74hc257de4 1 wks factory lead time
1137 : $0.3143
74hc257db,118 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16ssop - tape and reel 74hc257db,118 4 wks factory lead time
4000 : $0.3363
4001 : $0.3228
8001 : $0.3104
74ahc257pw,112 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16tssop - rail/tube 74ahc257pw,112 6 wks factory lead time
7200 : $0.1319
mc74vhc257dg rochester electronics mc74vhc257dg 1 wks factory lead time
1786 : $0.20
74hc257d/s410,118 nxp semiconductors - tape and reel 74hc257d/s410,118 call for delivery
requires quote
sn74hc257n texas instruments mltplxr 1-elem cmos 3-st 8-in 16pdip - rail/tube sn74hc257n 2500 in stock
1 : $0.1539
sn74hc257dr texas instruments mltplxr 1-elem cmos 3-st 8-in 16soic - tape and reel sn74hc257dr 5000 in stock
2500 : $0.1417
2501 : $0.1308
10001 : $0.1214
sn74hc257pwr texas instruments mltplxr 1-elem cmos 3-st 8-in 16tssop - tape and reel sn74hc257pwr 4000 in stock
4000 : $0.1533
8001 : $0.1494
sn54hc257j texas instruments mltplxr 1-elem cmos 3-st 8-in 16cdip - rail/tube sn54hc257j 245 in stock
214 : $2.28
500 : $2.19
mc74vhc257dr2g rochester electronics mc74vhc257dr2g 1 wks factory lead time
1786 : $0.20
mc74vhc257dr2g on semiconductor mltplxr sgl cmos 3-st 8-in 16soic - tape and reel mc74vhc257dr2g 7 wks factory lead time
5000 : $0.105
5001 : $0.0969
10001 : $0.09
mc74vhc257dtg rochester electronics mc74vhc257dtg 1 wks factory lead time
1786 : $0.20
mm74hc257m rochester electronics - bulk mm74hc257m 26 wks factory lead time
397 : $0.90
74ahc257pw,118 nxp semiconductors mltplxr 1-elem cmos 3-st 8-in 16tssop - cut tr (sos) 74ahc257pw,118/bkn 300 in stock
1 : $0.1978
25 : $0.1864
50 : $0.1762
100 : $0.1671
200 : $0.1563
see more
cd54hc257f3a rochester electronics cd54hc257f3a 1 wks factory lead time
61 : $6.85
100 : $5.87
arrow electronics • ecia (neda) member • authorized distributor
元器件型號 廠商 描述 arrow# 數(shù)量 價格
74ahc257d,112 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin so tube 74ahc257d,112 0
$0.18
74ahc257d,118 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin so t/r 74ahc257d,118 0
$0.18
74ahc257pw,112 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin tssop tube 74ahc257pw,112 0
$0.19
74ahc257pw,118 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin tssop t/r 74ahc257pw,118 0
$0.19
74hc257d,652 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin so bulk 74hc257d,652 1571
$0.16
74hc257d,653 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin so t/r 74hc257d,653 0
$0.16
74hc257db,112 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin ssop tube 74hc257db,112 0
$0.45
74hc257n,652 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin pdip bulk 74hc257n,652 0
$0.29
74hc257pw,112 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin tssop tube 74hc257pw,112 0
$0.18
74hc257pw,118 nxp semiconductors multiplexer 1-element cmos 3-st 8-in 16-pin tssop t/r 74hc257pw,118 0
$0.18
mc74vhc257dg on semiconductor multiplexer 1-element cmos 3-st 8-in 16-pin soic rail mc74vhc257dg 0
$0.10
mc74vhc257dr2g on semiconductor multiplexer 1-element cmos 3-st 8-in 16-pin soic t/r mc74vhc257dr2g 0
$0.10
mc74vhc257dtg on semiconductor multiplexer 1-element cmos 3-st 8-in 16-pin tssop rail mc74vhc257dtg 0
$0.14
mc74vhc257dtr2g on semiconductor multiplexer 1-element cmos 3-st 8-in 16-pin tssop t/r mc74vhc257dtr2g 5000
$0.14
mc74vhc257melg on semiconductor multiplexer 1-element cmos 3-st 8-in 16-pin so eiaj t/r mc74vhc257melg 0
$0.35
mc74vhc257mg on semiconductor multiplexer 1-element cmos 3-st 8-in 16-pin so eiaj rail mc74vhc257mg 0
$0.23
m74hc257b1r stmicroelectronics multiplexer 1-element cmos 3-st 8-in 16-pin pdip tube m74hc257b1r 950
$0.33
m74hc257rm13tr stmicroelectronics multiplexer 1-element cmos 3-st 8-in 16-pin sop t/r m74hc257rm13tr 2500
$0.48
cd54hc257f3a texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin cdip tube cd54hc251f3a 0
$4.99
cd54hc257f3a texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin cdip tube cd54hc257f3a 0
$4.99
cd74hc257e texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin pdip tube cd74hc257e 2750
$0.17
cd74hc257ee4 texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin pdip tube cd74hc257ee4 0
$0.19
cd74hc257m texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic tube cd74hc257m 0
$0.18
cd74hc257m96 texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic t/r cd74hc257m96 0
$0.45
cd74hc257me4 texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic tube cd74hc257me4 0
$0.21
sn54hc257j texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin cdip tube sn54hc257j 0
$2.75
sn74hc257pwr texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin tssop t/r sn74hc257pwr 0
$0.22
sn74hc257d texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic tube sn74hc257d 3680
$0.17
sn74hc257de4 texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic tube sn74hc257de4 0
$0.18
sn74hc257dr texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic t/r sn74hc257dr 5000
$0.16
sn74hc257dr texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic t/r sn74hc257dr**mult1 1900
click buy for pricing
sn74hc257dre4 texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin soic t/r sn74hc257dre4 0
$0.16
sn74hc257n texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin pdip tube sn74hc257n 3650
$0.18
sn74hc257ne4 texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin pdip tube sn74hc257ne4 0
$0.19
sn74hc257nsr texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin sop t/r sn74hc257nsr 0
$0.24
sn74hc257pwt texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin tssop t/r sn74hc257pwt 0
$0.47
snj54hc257fk texas instruments multiplexer 1-element cmos 3-st 8-in 20-pin lccc tube snj54hc257fk 0
$21.70
8512401ea texas instruments multiplexer 1-element cmos 3-st 8-in 16-pin cdip tube snj54hc257j 0
$4.99
tc74vhc257fn toshiba multiplexer 1-element cmos 3-st 8-in 16-pin sol tc74vhc257fn 0
$0.28
future electronics • ecia (neda) member • authorized distributor
元器件型號 廠商 描述 pkg qty rohs pb free datasheet 數(shù)量 價格 (usd)
74hc257d,653 nxp 74hc257 series 6 v surface mount 3-state quad 2-input multiplexer - soic-16 2500 y y datasheet 2500
2500 : $0.118
5000 : $0.117
74hc257d,652 nxp 74hc257 series 6 v surface mount 3-state quad 2-input multiplexer - soic-16 1 y y datasheet 7000
1 : $0.151
5 : $0.149
50 : $0.141
250 : $0.127
1000 : $0.119
see more
74hc257d,653 nxp 74hc257 series 6 v surface mount 3-state quad 2-input multiplexer - soic-16 1 y y datasheet 1590
1 : $0.151
5 : $0.15
50 : $0.145
250 : $0.133
74hc257n,652 nxp 74hc257 series 6 v through hole 3-state quad 2-input multiplexer - dip-16 1 y y datasheet 3700
1 : $0.265
5 : $0.26
50 : $0.245
250 : $0.22
1000 : $0.205
see more
mc74vhc257dg on semiconductor mc74vhc257 series quad 2-channel multiplexer w/ 3-state output - soic-16 1 y y datasheet 1040
1 : $0.126
5 : $0.125
50 : $0.113
500 : $0.0919
2500 : $0.0859
see more
m74hc257b1r stmicroelectronics 74hc series 5 v cmos quad 2 channel 3-state multiplexer through hole - dip-16 1 y y datasheet 4693
1 : $0.425
10 : $0.42
125 : $0.38
750 : $0.305
1500 : $0.29
see more
m74hc257rm13tr stmicroelectronics 74hc series 5 v cmos quad 2 channel 3-state multiplexer surface mount - soic-16 2500 y y datasheet 2500
2500 : $0.194
rs components - china • authorized distributor
元器件型號 廠商 描述 rs # 數(shù)量 china
74hc257d nxp quad data selector/multiplexer,74hc257d 1130578 460
74hc257d nxp quad data selector/multiplexer,74hc257d 1130578p 669
74hc257n nxp quad data selector/multiplexer,74hc257n 1697526 77
74hc257n nxp quad data selector/multiplexer,74hc257n 1697526p 879
cd74hc257ee4 texas instruments multiplexer single cmos 3-st 16-pin pdip 6630200p 2180
cd74hc257mg4 texas instruments multiplexer single cmos 3-st 16-pin soic 6630219p 2890
sn74hc257d texas instruments quad 2-1 data select/mux sn74hc257d 526521 40
sn74hc257dg4 texas instruments multiplexer single cmos 3-st 16-pin soic 6632048p 55
sn74hc257drg4 texas instruments multiplexer single cmos 3-st 16-pin soic 6628178 2910
sn74hc257drg4 texas instruments multiplexer single cmos 3-st 16-pin soic 6628178p 2930
sn74hc257ne4 texas instruments multiplexer 1-element cmos 3-st 8-in 7092093p 2470
sn74hc257ne4 texas instruments selector, data; quadruple 2-line to 1-line data selectors; 0 to 5 v; pdip 2509626490 1
onlinecomponents.com • ecia (neda) member • authorized distributor
元器件型號 廠商 描述 oc # 數(shù)量 價格
mc74vhc257d on semiconductor mc74vhc257d 1584
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basiceparts
元器件型號 廠商 描述 date code 數(shù)量
mc74hc257dr2 motorola 74hc257 9913 2500
crestwood technology group
元器件型號 廠商 rapid quote 數(shù)量
snj54hc257j ti get rapid quote 17
chip outpost • ecia (neda) member
元器件型號 廠商 描述 chip outpost # 數(shù)量 價格
74hc257n,652 nxp semiconductors ic mux quad 2input 3state 16dip 954-74hc257n652-chp 1000
1000 : $0.256
bristol electronics
元器件型號 廠商 packaging date code 數(shù)量
74hc257d philip tape 91 325
74hc257d philips partial-reel 03 540
74hc257d philips partial-reel 00 1870
mc74hc257d mot 50/tube 92 50
sn74hc257ans ti 50/tube 98 200
sn74hc257n ti 25/tube 99 448
inland empire components
元器件型號 廠商 數(shù)量
74hc257d philips 2500
74hc257d phil 660
74hc257n texas instruments 85
74hc257n philips 250
cd54hc257f harris 8
mc74hc257d motorola 2
mc74hc257d motorola 16
mc74hc257n motorola 25