Agilent DS1230AB-DS1230Y free download

File name DS1230AB-DS1230Y.pdf

19-5635; Rev 11/10 DS1230Y/AB 256k Nonvolatile SRAM www.maxim-ic.com FEATURES PIN ASSIGNMENT 10 years minimum data retention in the A14 1 28 VCC absence of external power A12 2 27 WE Data is automatically protected during power A7 3 26 A13 A6 4 25 A8 loss A5 5 24 A9 Replaces 32k x 8 volatile static RAM, A4 6 23 A11 EEPROM or Flash memory A3 7 22 OE Unlimited write cycles A2 8 21 A10 A1 9 20 CE Low-power CMOS A0 10 19 DQ7 Read and write access times of 70 ns DQ0 11 18 DQ6 Lithium energy source is electrically DQ1 12 17 DQ5 13 16 disconnected to retain freshness until power is DQ2 DQ4 GND 14 15 DQ3 applied for the first time Full