M48Z129Y Datasheet - ST Microelectronics

M48Z129Y 3.3V/5V 1 Mbit 128Kb x8 ZEROPOWER SRAM

The M48Z129Y/V ZEROPOWER SRAM is a 1,048,576 bit non-volatile static RAM organized as 131,072 words by 8 bits. The device combines an internal lithium battery, a CMOS SRAM and a control circuit in a plastic 32 pin DIP Module. The M48Z129Y/V directly replaces industry standard 2/13 M48Z129Y, M48Z12.

M48Z129Y M48Z129V 3.3V/5V 1 Mbit (128Kb x8) ZEROPOWER® SRAM s INTEGRATED ULTRA LOW POWER SRAM, POWER-FAIL CONTROL CIRCUIT, and BATTERY AUTOMATIC POWER-FAIL CHIP DESELECT AND WRITE PROTECTION MICROPROCESSOR POWER-ON RESET (RESET VALID EVEN DURING BATTERY BACK-UP MODE) BATTERY LOW PIN - PROVIDES WARNING OF BATTERY END-OF-LIFE WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): M48Z129Y: 4.2V ≤ VPFD ≤ 4.5V M48Z129V: 2.7V ≤ VPFD ≤ 3.0V CONVENTIONAL SRAM OPERATION; UNLIM.

M48Z129Y Features

* ol ILI (1) ILO (1) ICC

M48Z129Y_STMicroelectronics.pdf