參數(shù)資料
型號(hào): SN74LS148DE4
廠商: TEXAS INSTRUMENTS INC
元件分類: 算術(shù)邏輯單元
英文描述: LS SERIES, 8-BIT ENCODER, INVERTED OUTPUT, PDSO16
封裝: GREEN, PLASTIC, MS-012AC, SOIC-16
文件頁(yè)數(shù): 1/26頁(yè)
文件大?。?/td> 831K
代理商: SN74LS148DE4
SN54147, SN54148, SN54LS147, SN54LS148
SN74147, SN74148 (TIM9907), SN74LS147, SN74LS148
10LINE TO 4LINE AND 8LINE TO 3LINE PRIORITY ENCODERS
SDLS053B OCTOBER 1976 REVISED MAY 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
’147, ’LS147
D Encode 10-Line Decimal to 4-Line BCD
D Applications Include:
Keyboard Encoding
Range Selection
’148, ’LS148
D Encode 8 Data Lines to 3-Line Binary
(Octal)
D Applications Include:
n-Bit Encoding
Code Converters and Generators
32
1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
D
3
NC
2
1
6
7
NC
8
C
5
4
NC
A
9
V
NC
B
GND
NC
SN54LS147 ...FK PACKAGE
(TOP VIEW)
CC
NC No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
4
5
6
7
8
C
B
GND
VCC
NC
D
3
2
1
9
A
SN54147, SN54LS147 ...J OR W PACKAGE
SN74147, SN74LS147 ...D OR N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
4
5
6
7
EI
A2
A1
GND
VCC
E0
GS
3
2
1
0
A0
SN54148, SN54LS148 ...J OR W PACKAGE
SN74148, SN74LS148 . . . D, N, OR NS PACKAGE
(TOP VIEW)
32
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
GS
3
NC
2
1
6
7
NC
EI
A2
5
4
NC
A0
0
V
E0
A1
GND
NC
SN54LS148 . . . FK PACKAGE
(TOP VIEW)
CC
TYPE
TYPICAL
DATA
DELAY
TYPICAL
POWER
DISSIPATION
’147
10 ns
225 mW
’148
10 ns
190 mW
’LS147
15 ns
60 mW
’LS148
15 ns
60 mW
NOTE: The SN54147, SN54LS147, SN54148, SN74147, SN74LS147, and SN74148 are obsolete and are no longer supplied.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright
2004, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MILPRF38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
相關(guān)PDF資料
PDF描述
SN74LS148NE4 LS SERIES, 8-BIT ENCODER, INVERTED OUTPUT, PDIP16
SN74LS14DR LS SERIES, HEX 1-INPUT INVERT GATE, PDSO14
SN74LS155ADR LS SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, PDSO16
SN74LS155ADRG4 LS SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, PDSO16
SN54155J TTL/H/L SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, CDIP16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74LS148DG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8 Ln to 3 Ln Priority Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74LS148DR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8 to 3 Priority RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74LS148DR2 制造商:ON Semiconductor 功能描述:Encoder 8-to-3 Priority Bipolar 16-Pin SOIC T/R
SN74LS148DRE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-line to 3-line Priority encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74LS148DRG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8 Ln to 3 Ln Priority Encoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray