DS1250Y PDF File ( Datasheet )

DS1250Y, AB 4096k Nonvolatile SRAM www.dalsemi.com FEATURES PIN ASSIGNMENT 10 years minimum data retention in the A18 VCC 32 1 absence of external power A16 31 A15 2 A14 A17 30 3 Data is automatically protected during power 29 4 WE A12 loss A13 A7 28 5 Replaces 512k x 8 volatile static RAM, A6 27 6 A8 A5 A9 26 7 EEPROM or Flash memory A11 A4 25 8 Unlimited write cycles OE A3 24 9 Low-power CMOS A10 A2 23 10 CE A1 Read and write access times as fast as 70 ns 22 11 21 12 DQ7 A0 Lithium energy