DESCRIPTION

The DS1220Y 16k Nonvolatile SRAM is a 16,384-bit, fully static, nonvolatile RAM organized as 2048

words by 8 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry that

constantly monitor VCCfor an out-of-tolerance condition.

FEATURES

10 years minimum data retention in the absence of external power

Data is automatically protected during power loss

Directly replaces 2k x 8 volatile static RAM or EEPROM

Unlimited write cycles

Low-power CMOS

JEDEC standard 24-pin DIP package

Read and write access times as fast as 100 ns

Full ±10% operating range

Optional industrial temperature range of

-40°C to +85°C, designated IND