DS1688 Datasheet, PDF (5/5 Pages) Dallas Semiconductor – 3 Volt/5 Volt Serialized Real Time Clock with NV RAM Control

DS1691 28–PIN 740 MIL MODULE
28
15
1
14
A
CE
F
D
K
G
13 EQUAL SPACES AT
.100 ± .010 TNA
DS1688/DS1691
PKG
DIM
A IN.
MM
B IN.
MM
C IN.
MM
D IN.
MM
E IN.
MM
F IN.
MM
G IN.
MM
H IN.
MM
J IN.
MM
K IN.
MM
28–PIN
MIN
MAX
1.520
38.61
1.540
39.12
0.695
17.65
0.350
8.89
0.740
18.80
0.375
9.52
0.100
2.54
0.130
3.30
0.015
0.38
0.030
0.76
0.110
2.79
0.140
3.56
0.090
2.29
0.110
2.79
0.590
14.99
0.630
16.00
0.008
0.20
0.012
0.30
0.015
0.38
0.021
0.53
J
H
B
NOTE: PINS 2, 3, 19 AND 23 ARE MISSING BY DESIGN.
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