参数资料
型号: W39L020P-90Z
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 3.3V PROM, 90 ns, PQCC32
封装: LEAD FREE, PLASTIC, LCC-32
文件页数: 19/29页
文件大小: 294K
代理商: W39L020P-90Z
W39L020
- 26 -
11. HOW TO READ THE TOP MARKING
Example: The top marking of 32-pin TSOP W39L020T-70
1
st line: Winbond logo
2
nd line: the part number: W39L020T-70
3
rd line: the lot number
4
th line: the tracking code: 149 O B SA
149: Packages made in '01, week 49
O: Assembly house ID: A means ASE,
O means OSE, ...etc
B: IC revision; A means version A,
B means version B, ...etc.
SA: Process code
12. PACKAGE DIMENSIONS
32L PLCC
L
c
1
b
2
A
H
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 b1 does not include dambar protrusion/intrusion.
3. Controlling dimension: Inches.
4. General appearance spec. should be based on final
visual inspection sepc.
Symbol
Min.
Nom.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
b
c
D
e
H E
L
y
A
1
2
E
b 1
G D
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
G E
12.45
12.95
13.46
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
0.530
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
0.020
0.140
1.12
1.42
0.044
0.056
0
10
0
0.10
2.41
θ
W39L020T-70
2138977A-A12
149OBSA
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