M48Z512BV Datasheet - STMicroelectronics

Description
The M48Z512BV ZEROPOWER® RAM is a nonvolatile, 4,194,304-bit static RAM organized as 524,288 words by 8 bits. The devices combine an internal lithium battery, a CMOS SRAM and a control circuit in a plastic, 32-pin DIP module.

FEATUREs
■ Integrated, ultra-low power SRAM, power-fail control circuit, and battery
■ Conventional SRAM operation; unlimited WRITE cycles
■ 10 years of data retention in the absence of power
■ Automatic power-fail chip deselect and WRITE protection
■ 3.0 to 3.6 V operation
   – 2.9 V power-fail deselect
■ Pin and function compatible with JEDEC standard 512 K x 8 SRAMs
■ PMDIP32 is an ECOPACK® package
■ For 5 V applications, refer to the M48Z512A