1225 Datasheet (Dallas) - 64k Nonvolatile SRAM

1225, 64k Nonvolatile SRAM

A0-A12 DQ0-DQ7 CE WE OE VCC GND NC - Address Inputs - Data In/Data Out - Chip Enable - Write Enable - Output Enable - Power (+5V) - Ground - No Connect DESCRIPTION The DS1225AB and DS1225AD are 65,536-bit, fully static, nonvolatile SRAMs organized as 8192 words by 8 bits.

Each NV SRAM has a self-co

1225 Features

* 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 8k x 8 volatile static RAM or EEPROM Unlimited write cycles Low-power CMOS JEDEC standard 28-pin DIP package Read and write access times as fast as 70 ns Lithium energ