W27E520 Datasheet, PDF (15/16 Pages) Winbond – 64K X 8 ELECTRICALLY ERASABLE EPROM

PACKAGE DIMENSIONS
20-pin TSSOP
b
c
L
E1 E
e
θ
D
A
A1
W27E520
Dimension in Inches Dimension in mm
Symbol
Min. Nom. Max. Min. Nom. Max.
A
0.043
1.10
A^{1 0.002}
0.006 0.05
0.15
L ^0.020
0.028 0.50
0.70
D ^0.252
0.260 6.40
6.60
E ^0.246
E^{1 0.169}
0.256 6.25
0.176 4.30
6.50
4.48
b ^0.007
0.012 0.18
0.30
c ^0.003
0.007 0.09
0.18
e
0.65 BSC
0.256 BSC
θ⁰
8
0
8
20-pin SOP
e
D
c
L
b
E1 E
θ
A
A1
Dimension in Inches Dimension in mm
Symbol
Min. Nom. Max. Min. Nom. Max.
A ^0.092
0.105 2.34
2.67
A^{1 0.003}
0.012 0.076
0.305
L ^0.015
0.035 0.381
0.889
D ^0.497
0.513 12.6
13.0
E ^0.393
0.420 9.98
10.7
E^{1 0.291}
0.299 7.39
7.60
b ^0.013
0.020 0.330
0.508
c ^0.009
0.013 0.229
0.330
e
0.50 BSC
1.27 BSC
θ⁰
8
0
8
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Publication Release Date: September 2000
Revision A2