ZEROPOWER® SRAM
1 Mbit (128 Kbit x 8) | 70ns | Vcc 4.5 to 5.5 V | PMDIP32 package
- Manufacturer: STMicroelectronics
- Package: PMDIP32
- Product Family: ZEROPOWER® SRAM
- Integrated, ultra low power SRAM, power-fail control circuit, and battery
- Pin and function compatible with JEDEC standard 128 K x 8 SRAMs
The M48Z128/Y ZEROPOWER® RAM is a 128 Kbit x 8 non-volatile static RAM organized
as131,072 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 to provide a highly integrated batterybacked
memory solution.
The M48Z128/Y is a non-volatile pin and function equivalent to any JEDEC standard 128 K x 8 SRAM. It also easily fits into many ROM, EPROM, and EEPROM sockets, providing the non-volatility of PROMs without any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed. The 32-pin, 600 mil DIP module houses the M48Z128/Y silicon with a long-life lithium button cell in a single package.
The M48Z128/Y is a non-volatile pin and function equivalent to any JEDEC standard 128 K x 8 SRAM. It also easily fits into many ROM, EPROM, and EEPROM sockets, providing the non-volatility of PROMs without any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed. The 32-pin, 600 mil DIP module houses the M48Z128/Y silicon with a long-life lithium button cell in a single package.
- 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
- Battery internally isolated until power is first applied
- Automatic power-fail chip deselect and WRITE protection
- WRITE protect voltages:
(VPFD = power-fail deselect voltage)
– M48Z128: VCC = 4.75 to 5.5 V; 4.5 V ≤ VPFD ≤ 4.75 V
– M48Z128Y: VCC = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V - Pin and function compatible with JEDEC standard 128 K x 8 SRAMs
- RoHS compliant – Lead-free second level interconnect
NOT PULLED - NOT USED - NOT REFURBISHED - NOT SOLDERED
- NOT RE-MARKED - NOT FAKED EXCLUSIVELY NEW OLD STOCK (NOS)
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