參數(shù)資料
型號: W24256-70L
廠商: WINBOND ELECTRONICS CORP
元件分類: SRAM
英文描述: 32K X 8 CMOS STATIC RAM
中文描述: 32K X 8 STANDARD SRAM, 70 ns, PDIP28
封裝: 0.600 INCH, PLASTIC, DIP-28
文件頁數(shù): 8/10頁
文件大小: 147K
代理商: W24256-70L
Preliminary W24256
- 8 -
PACKAGE DIMENSIONS
28-pin P-DIP
Seating Plane
1. Dimensions D Max. & S include mold flash or
2. Dimension E1 does not include interlead flash.
3. Dimensions D & E1 include mold mismatch and
4. Dimension B1 does .
5. Controlling dimension: Inches.
6. General appearance spec. should be based on
1.63
1.47
0.064
0.058
Notes:
Symbol
Min. Nom.
Max.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
A
A
B
B
1
c
D
E
E
1
e
L
a
A
S
1
2
0.060
1.52
0.210
5.33
0.010
0.150
0.016
0.155
0.018
0.160
0.022
3.81
0.41
0.25
3.94
0.46
4.06
0.56
0.008
0.120
0.670
0.010
0.130
0.014
0.140
0.20
3.05
0.25
3.30
0.36
3.56
0.540
0.550
0.545
13.72
13.97
13.84
17.02
15.24
14.99
15.49
0.600
0.590
0.610
2.29
2.54
2.79
0.090
0.100
0.110
1
e
1.460
1.470
37.08
37.34
0
15
0.090
2.29
0.650
0.630
16.00
16.51
15
0
e
A
2
A
a
c
E
Base Plane
1
A
1
e
L
A
S
1
E
D
1
B
B
28
1
15
14
28-pin SOP Wide Body
2
1
A
28
15
14
1
e
S
E
H
b
Seating Plane
A A
y
L
L
e
c
See Detail F
D
E
E
1
1
e
Detail F
1. Dimensions D Max. & S include mold flash
3. Dimensions D & E i.
4. Controlling dimension: Inches.
5. General appearance spec should be based
0.25
0.20
0.010
0.008
Notes:
Symbol
Min. Nom. Max.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
0.014
0.36
0.112
2.85
0.004
0.093
0.014
0.098
0.016
0.103
0.020
2.36
0.36
0.10
2.49
0.41
2.62
0.51
0.059
0.004
0
10
0.713
0.067
0.733
0.075
1.50
18.11
1.70
18.62
1.91
0.477
0.465
0.453
12.12
11.81
11.51
0
10
0.10
8.53
8.41
8.28
0.336
0.331
0.326
0.71
0.91
1.12
0.028
0.036
0.044
1.12
1.27
1.42
0.044
0.050
0.056
1.19
0.047
A
A
A
b
c
D
E
e
H
E
L
L
E
S
y
θ
1
2
θ
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