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參數資料
| 型號： | W27E257 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 32K X 8 ELECTRICALLY ERASABLE EPROM |
| 中文描述： | 32K的× 8電可擦除只讀存儲器 |
| 文件頁數： | 13/14頁 |
| 文件大小： | 227K |
| 代理商： | W27E257 |
W27E257
Publication Release Date: January 1997
- 13 -
Revision A3
PACKAGE DIMENSIONS
28-pin P-DIP
1. Dimension D Max. & S include mold flash or
2. Dimension E1 does not include interlead flash.
3. Dimension 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
0.210
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
Seating Plane
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
32-pin PLCC
L
c
1
b
2
A
H
E
E
e
b
D H
D
y
A
A
1
Seating Plane
E
G
G
D
1
13
14
20
29
32
4
5
21
30
Notes:
1. Dimension D & E do not include interlead flash.
2. Dimension b does not include dambar protrusion/intrusion.
3. Controlling dimension: Inches.
4. General appearance spec. should be based on final
Symbol
Min.
Nom.
Max.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
A
A
b
1
b
c
D
E
e
G
D
G
E
H
E
L
y
1
2
3.56
0.50
2.80
2.67
2.93
0.71
0.66
0.81
0.41
0.46
0.56
0.20
0.25
0.35
13.89
13.97
14.05
11.35
11.43
11.51
1.27
H
D
12.45
12.9
5
10.41
13.46
9.91
10.92
14.86
14.99
15.11
12.32
12.45
12.57
1.91
2.29
0.004
0.095
0.090
0.075
0.495
0.49
0
0.485
0.595
0.590
0.585
0.430
0.410
0.390
0.530
0.51
0
0.490
0.050
0.453
0.450
0.447
0.553
0.550
0.547
0.014
0.010
0.008
0.022
0.018
0.016
0.032
0.026
0.028
0.115
0.105
0.110
0.020
0.140
1.12
1.42
0.044
0.056
0
°
10
°
10
°
0
°
0.10
2.41
θ
相關PDF資料 |
PDF描述 |
|---|---|
| W27E257-10 | 32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257-12 | 32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257-15 | 32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257P-10 | 32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257P-12 | 32K X 8 ELECTRICALLY ERASABLE EPROM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W27E257-10 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257-15 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257P-10 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 ELECTRICALLY ERASABLE EPROM |
| W27E257P-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 ELECTRICALLY ERASABLE EPROM |
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