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Rev. 1.0
13
PACKAGE DIMENSIONS
28 pin SOP (330 mil) :
UNIT
SYMBOL
mm
Min.
Nom.
Max.
A
2.540
inch
Min.
Nom.
Max.
2.692
2.844
0.100
0.106
0.112
0.102
0.226
0.350
0.004
0.009
0.014
2.362
2.489
2.616
0.093
0.098
0.103
0.35
_
0.50
0.014
_
0.020
0.35
_
0.45
0.014
_
0.018
0.20
_
0.32
0.008
_
0.012
0.20
_
0.28
0.008
_
0.011
17.983
18.110
18.237
0.708
0.713
0.718
8.280
8.407
8.534
0.326
0.331
0.336
11.506
11.811
12.116
0.453
0.465
0.477
1.118
1.270
1.422
0.044
0.050
0.056
0.700
0.964
1.228
0.0276
0.0380
0.0484
1.520
1.720
1.920
0.0598
0.0677
0.0756
_
_
0.1
_
_
0.004
0°
_
10°
0°
_
10°
A1
A2
b
b1
c
c1
D
E
E1
e
L
L1
y
28 pin PDIP (600mil):
0.590
A1
UNIT
_
Max.
Nom.
Min.
Max.
Nom.
Min.
inch
mm
_
0.010
_
_
0.254
SYMBOL
D
c
B1
B
A2
0.070
0.050
0.060
1.778
1.524
1.270
0.023
0.155
0.013
0.018
0.584
0.457
0.330
3.937
0.145
0.150
3.810
3.683
1.465
0.014
0.356
0.006
0.010
0.152
0.254
37.211
1.455
1.460
37.084
36.957
0.090
0.070
0.080
2.286
1.778
2.032
L
eB
e
E1
E
0.548
0.610
0.540
0.544
13.920
13.818
13.716
15.494
0.600
14.986
15.240
0.140
0.660
16.764
0.620
0.640
15.748
16.256
3.556
0.120
0.130
3.048
3.302
Q1
S
9°
0.075
0.065
0.070
1.905
1.778
1.651
9°
6°
3°
6°
3°
2.540
(TYP)
0.100
(TYP)
High Speed Super Low Power SRAM
8K-Word By 8 Bit
WS6264
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