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W27E020 Datasheet(PDF) 13 Page - Winbond

Part # W27E020
Description  256K X 8 ELECTRICALLY ERASABLE EPROM
Download  14 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W27E020 Datasheet(HTML) 13 Page - Winbond

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Preliminary W27E020
Publication Release Date: December 1997
- 13 -
Revision A1
PACKAGE DIMENSIONS
32-pin P-DIP
Seating Plane
eA
2
A
a
c
E
Base Plane
1
A
1
e
L
A
S
1
E
D
1
B
B
32
1
16
17
1. Dimensions D Max. & S include mold flash or
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimensions D & E1 include mold mismatch and
are determined at the mold parting line.
6. General appearance spec. should be based on
final visual inspection spec.
Notes:
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches.
1.37
1.22
0.054
0.048
Symbol
Min. Nom. Max.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
B
c
D
e
A
L
S
A
A
1
2
E
0.050
1.27
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
0.555
0.550
13.84
14.10
13.97
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
B 1
1
e
E 1
a
1.650
1.660
41.91
42.16
0
15
0.085
2.16
0.650
0.630
16.00
16.51
15
0
32-Lead 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. Dimensions 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
visual inspection sepc.
θ
Symbol
Min.
Nom.
Max.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
b
c
D
e
H E
L
y
A
A
1
2
E
b 1
G D
3.56
0.50
H D
GE
0.020
0.140
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
12.45
12.95
13.46
0.530
0.510
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
1.12
1.42
0.044
0.056
10°
10°
9.91
10.41
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
0.490
0.485
0.595
0.590
0.585
0.430
0.410
0.390
0.10
2.41
θ


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