DS1646 ram equivalent, nonvolatile timekeeping ram.
* Integrates NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source
* Clock Registers are Accessed Identically to the Static RAM..
PIN PDIP PowerCap
NAME
1, 30 1, 33, 34
N.C.
23
A16
3 32
A14
4 30
A12
5 25
A7
6 24
A6
7 23
A5
8 22
A4
9 21
A3
10 20
A2
11 19
A1
12 18
A0
25 29
A11
26 27
A9
27 26
A8
28 31
A13
13 16
DQ0
14 15
DQ1
15 14
DQ2
17 13.
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