Keithley ds1250ab-ds1250y free download

File name ds1250ab-ds1250y.pdf

DS1250Y/AB 4096k Nonvolatile SRAM www.maxim-ic.com FEATURES PIN ASSIGNMENT 10 years minimum data retention in the A18 1 32 VCC absence of external power A16 2 31 A15 Data is automatically protected during power A14 3 30 A17 A12 4 29 WE loss A13 A7 5 28 Replaces 512k x 8 volatile static RAM, A6 6 27 A8 EEPROM or Flash memory A5 7 26 A9 A4 8 25 A11 Unlimited write cycles A3 9 24 OE Low-power CMOS A2 10 23 A10 Read and write access times as fast as 70 ns A1 11 22 CE Lithium energy source is electrically A0 12 21 DQ7 DQ0 13 20 DQ6 disconnected to retain freshness until power is DQ1 14 19 DQ5 applied for the first time DQ2 15 18 DQ4 Full