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M48Z129Y-70PMTR Datasheet(PDF) 1 Page - STMicroelectronics |
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M48Z129Y-70PMTR Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 16 page 1/16 March 2005 M48Z129Y* M48Z129V 5.0V OR 3.3V, 1 Mbit (128 Kb x 8) ZEROPOWER® SRAM * Contact local ST sales office for availability. FEATURES SUMMARY ■ 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 ■ MICROPROCESSOR POWER-ON RESET (RESET VALID EVEN DURING BATTERY BACK-UP MODE) ■ BATTERY LOW PIN - PROVIDES WARNING OF BATTERY END-OF-LIFE ■ AUTOMATIC POWER-FAIL CHIP DESELECT AND WRITE PROTECTION ■ WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): – M48Z129Y: VCC = 4.5 to 5.5V 4.2V ≤ VPFD ≤ 4.5V – M48Z129V: VCC = 3.0 to 3.6V 2.7V ≤ VPFD ≤ 3.0V ■ SELF-CONTAINED BATTERY IN THE CAPHAT™ DIP PACKAGE ■ PIN AND FUNCTION COMPATIBLE WITH JEDEC STANDARD 128K x 8 SRAMs Figure 1. 32-pin PMDIP Module 32 1 PMDIP32 (PM) Module |
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