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參數資料
| 型號： | W24257A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 32K X 8 High Speed CMOS Static RAM |
| 中文描述： | 32K的乘八高速CMOS靜態RAM |
| 文件頁數： | 9/11頁 |
| 文件大小： | 226K |
| 代理商： | W24257A |
W24257A
Publication Release Date: May 1997
- 9 -
Revision A14
PACKAGE DIMENSIONS
28-pin P-DIP Skinny
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 not include dambar
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
0.175
4.45
0.010
0.125
0.016
0.130
0.018
0.135
0.022
3.18
0.41
0.25
3.30
0.46
3.43
0.56
0.008
0.120
0.370
0.010
0.130
0.014
0.140
0.20
3.05
0.25
3.30
0.36
3.56
0.293
0.288
0.283
7.44
7.32
7.19
9.40
7.87
7.62
8.13
0.310
0.300
0.320
2.29
2.54
2.79
0.090
0.100
0.110
1
e
1.388
1.400
35.26
35.56
0
°
15
°
0.055
1.40
0.350
0.330
8.38
8.89
15
°
0
°
e
A
A
a
c
E
Base Plane
Mounting Plane
1
A
1
e
L
A
S
1
E
D
1
B
B
28
15
1
14
2
28-pin Small Outline J Band
1
y
1
e
s
1
b
b
c
L
e
Seating Plane
1
2
A
A
A
D
E
H
E
14
15
28
￡c
0.36
0.20
0.014
0.008
Symbol
Min. Nom. Max.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
A
A
b
1
b
c
D
E
e
e
H
E
L
S
y
1
1
2
0.010
0.25
0.140
3.56
0.027
0.095
0.016
0.100
0.018
0.105
0.022
2.41
0.41
0.69
2.54
0.46
2.67
0.56
0.077
0.004
0
10
0.710
0.087
0.730
0.097
1.96
18.03
2.21
18.54
2.46
0.285
0.265
0.245
7.24
6.73
6.22
0
0.10
7.75
7.62
7.49
0.305
0.300
0.295
8.31
8.56
8.81
0.327
0.337
0.347
1. Dimensions D Max. & S include mold flash
2. Dimension b does not include dambar
3. Dimensions D & E include mold mismatch
4. Controlling dimension: Inches.
5. General appearance spec. should be based
Notes:
0.81
0.71
0.66
0.032
0.028
0.026
0.044
0.050
0.056
1.12
1.27
1.42
0.045
1.14
10
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| W24257AJ-12 | 32K X 8 High Speed CMOS Static RAM |
| W24257C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
| W24258C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W24257A-10 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24257A-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24257A-15 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24257A-20 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24257A-35 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
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