M48Z512A
M48Z512AY, M48Z512AV
4 Mbit (512 Kbit x 8) ZEROPOWER® SRAM
Not recommended for new design
Features
■ Integrated, ultra low power SRAM, power-fail
control circuit, and battery
■ Conventional SRAM operation; unlimited
) WRITE cycles
t(s ■ 10 years of data retention in the absence of
c power
du ■ Automatic power-fail chip deselect and WRITE
ro protection
P ■ Two WRITE protect voltages:
te (VPFD = power-fail deselect voltage)
le – M48Z512A: VCC = 4.75 to 5.5 V;
4.5 V ≤ VPFD ≤ 4.75 V
so – M48Z512AY: VCC = 4.5 to 5.5 V;
b 4.2 V ≤ VPFD ≤ 4.5 V
O – M48Z512AV: VCC = 3.0 to 3.6 V;
- 2.8 V ≤ VPFD ≤ 3.0 V
t(s) ■ Battery internally isolated until power is applied
c ■ Pin and function compatible with JEDEC
u standard 512 K x 8 SRAMs
rod ■ PMDIP32 is an ECOPACK® package
■ RoHS compliant
Obsolete P – Lead-free second level interconnect
32
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PMDIP32 module
Description
The M48Z512A/Y/V ZEROPOWER® RAM is a
non-volatile, 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.
June 2011
Doc ID 5146 Rev 9
This is information on a product still in production but not recommended for new designs.
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