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M48Z128Y Datasheet(PDF) 1 Page - STMicroelectronics |
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M48Z128Y Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 21 page 1/21 October 2003 Rev. 3.4 M48Z128 M48Z128Y, M48Z128V* 5.0V OR 3.3V, 1 Mbit (128 Kbit x 8) ZEROPOWER® SRAM * Contact Local Sales Office FEATURES SUMMARY s INTEGRATED, ULTRA LOW POWER SRAM, POWER-FAIL CONTROL CIRCUIT, and BATTERY s CONVENTIONAL SRAM OPERATION; UNLIMITED WRITE CYCLES s 10 YEARS OF DATA RETENTION IN THE ABSENCE OF POWER s BATTERY INTERNALLY ISOLATED UNTIL POWER IS FIRST APPLIED s AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION s WRITE PROTECT VOLTAGES: (VPFD = Power-fail Deselect Voltage) – M48Z128: VCC = 4.75 to 5.5V 4.5V ≤ VPFD ≤ 4.75V – M48Z128Y: VCC = 4.5 to 5.5V 4.2V ≤ VPFD ≤ 4.5V – M48Z128V: VCC = 3.0 to 3.6V 2.8V ≤ VPFD ≤ 3.0V s SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY s SNAPHAT HOUSING (BATTERY) IS REPLACEABLE s PIN and FUNCTION COMPATIBLE WITH JEDEC STANDARD 128K x 8 SRAMs s EQUIVALENT SURFACE-MOUNT (SMT) SOLUTION REQUIRES A 28-PIN M40Z300/W and A STAND-ALONE 128K x8 LPSRAM (SNAPHAT® Top to be ordered separately) Figure 1. 32-pin PMDIP Module PMDIP32 (PM) Module 32 1 |
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