Datasheet Summary
19-5614; Rev 11/10
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DS1270W 3.3V 16Mb Nonvolatile SRAM
Features
- Five years minimum data retention in the absence of external power
- Data is automatically protected during power loss
- Unlimited write cycles
- Low-power CMOS operation
- Read and write access times of 100ns
- Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time
- Optional industrial (IND) temperature range of -40°C to +85°C
PIN ASSIGNMENT
NC A20 A18 A16 A14 A12
A7 A6 A5 A4 A3 A2
A1
A0 DQ0
DQ1
DQ2
1 2 3 4 5 6 7 8 9 10 11 12
36 VCC 35 A19 34 NC 33 A15 32 A17 31 WE 30 A13 29 A8 28 A9 27 A11 26 OE
25 A10
24 CE
23 DQ7 22...