DS1270W Datasheet | Maxim Integrated

19-5614; Rev 11/10 .maxim-ic. 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 DQ6 21 DQ5 20 DQ4 19 DQ3 36-Pin Encapsulated Package 740mil Extended PIN DESCRIPTION A0- A20 - Address...