DS1251Y Datasheet - Dallas Semiconducotr

DS1251Y - 4096K NV SRAM with Phantom Clock

A0 *A18 CE GND DQ0 *DQ7 VCC WE OE RST * * * * * * * * Address Inputs Chip Enable Ground Data In/Data Out Power (+5V) Write Enable Output Enable Reset * Available in 120 ns and 150 ns access time ORDERING INFORMAT.

DS1251Y Features

* PIN ASSIGNMENT A18/RST A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC A15 A17 WE A13 A8 A9 A11 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3

* Real time clock keeps track of hundredths of seconds, minutes, hour

DS1251Y_DallasSemiconducotr.pdf