w29c020-12b Winbond Electronics Corp America, w29c020-12b Datasheet - Page 20

• Manufacturer Part Number: w29c020-12b
• Description: 256k X 8 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

Package Dimensions, continued
32-pin PLCC
32-pin TSOP
b
L
M
13
0.10(0.004)
Seating Plane
5
e
L
L
1
14
4
e
G
E
1
H
E
E
b
b
32
1
20
30
H
D
D
21
29
A
A
2
1
D H
y
D
A
c
- 20 -
G
D
A
A
2
1
E
A
c
Y
Notes:
Symbol
4. General appearance spec. should be based on final
1. Dimensions D & E do not include interlead flash.
2. Dimension b1 does not include dambar protrusion/intrusion.
3. Controlling dimension: Inches.
A
A
A
b
b
c
D
E
G
G
H
H
e
L
y
visual inspection sepc.
2
1
1
D
E
D
E
Note:
Controlling dimension: Millimeters
Symbol
A
A
A
H
L
b
D
E
e
c
L
Y
0.075
Dimension in Inches
0.020
0.105
0.026
0.016
0.008
0.547
0.447
0.044
0.490
0.390
0.585
0.485
Min.
D
1
1
2
0 °
Dimension in Inches
0.002
0.037
0.007
0.311
0.780
0.005
0.720
0.000
0.016
Nom.
Min.
0.550
0.450
0.050
0.510
0.410
0.590
0.490
0.090
0.110
0.028
0.018
0.010
__
__
__
1
Nom.
0.039
0.008
0.006
0.724
0.315
Max.
0.787
0.020
0.031
0.140
0.115
0.032
0.022
0.014
0.553
0.453
0.056
0.530
0.430
0.595
0.495
0.095
0.004
0.020
10 °
__
__
__
3
13.89
11.35
12.45
14.86
12.32
Min.
0.50
2.67
0.66
0.41
0.20
1.12
1.91
9.91
0.047
0.006
0.041
0.009
Max.
0.007
0.728
0.319
0.795
0.004
0.024
Dimension in mm
0 °
__
__
5
Nom.
13.97
11.43
12.95
10.41
14.99
12.45
2.80
0.71
0.46
0.25
1.27
2.29
18.30
19.80
W29C020
Min.
0.12
0.95
0.17
7.90
0.05
0.40
0.00
Dimension in mm
__
__
__
1
Max.
14.05
11.51
13.46
10.92
15.11
12.57
3.56
2.93
0.81
0.56
0.35
1.42
2.41
0.10
10 °
18.40
Nom.
20.00
0.20
8.00
1.00
0.15
0.80
0.50
0.50
__
__
__
3
18.50
Max.
20.20
1.20
0.15
1.05
0.23
0.17
8.10
0.10
0.60
__
__
5