Keithley DS1245AB-DS1245Y free download

File name DS1245AB-DS1245Y.pdf

19-5638; Rev 11/10 DS1245Y/AB 1024k Nonvolatile SRAM www.maxim-ic.com FEATURES PIN ASSIGNMENT 10 years minimum data retention in the NC 1 32 VCC absence of external power A16 2 31 A15 Data is automatically protected during power A14 3 30 NC A12 4 29 WE loss A7 A13 5 28 Replaces 128k x 8 volatile static RAM, A6 6 27 A8 EEPROM or Flash memory A5 7 26 A9 Unlimited write cycles A4 8 25 A11 A3 9 24 OE Low-power CMOS A2 10 23 A10 Read and write access times of 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