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M48Z128V Datasheet

Part Number M48Z128V
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description 5.0V OR 3.3V / 1 Mbit (128 Kbit x 8) ZEROPOWER SRAM
Datasheet M48Z128V DatasheetM48Z128V Datasheet (PDF)

M48Z128 M48Z128Y, M48Z128V* 5.0V OR 3.3V, 1 Mbit (128 Kbit x 8) ZEROPOWER® SRAM FEATURES SUMMARY s INTEGRATED, ULTRA LOW POWER SRAM, POWER-FAIL CONTROL CIRCUIT, and BATTERY s Figure 1. 32-pin PMDIP Module 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 =.

  M48Z128V   M48Z128V






Part Number M48Z128Y
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description 1 Mbit (128 Kbit x 8) ZEROPOWER SRAM
Datasheet M48Z128V DatasheetM48Z128Y Datasheet (PDF)

M48Z128 M48Z128Y 5.0 V, 1 Mbit (128 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 cpower du■ Battery internally isolated until power is first roapplied P■ Automatic power-fail chip deselect and WRITE protection lete■ WRITE protect voltages: o(VPFD = power-fail deselect voltage) s– M48Z128: VCC.

  M48Z128V   M48Z128V







Part Number M48Z128
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description 1 Mbit (128 Kbit x 8) ZEROPOWER SRAM
Datasheet M48Z128V DatasheetM48Z128 Datasheet (PDF)

M48Z128 M48Z128Y 5.0 V, 1 Mbit (128 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 cpower du■ Battery internally isolated until power is first roapplied P■ Automatic power-fail chip deselect and WRITE protection lete■ WRITE protect voltages: o(VPFD = power-fail deselect voltage) s– M48Z128: VCC.

  M48Z128V   M48Z128V







5.0V OR 3.3V / 1 Mbit (128 Kbit x 8) ZEROPOWER SRAM

M48Z128 M48Z128Y, M48Z128V* 5.0V OR 3.3V, 1 Mbit (128 Kbit x 8) ZEROPOWER® SRAM FEATURES SUMMARY s INTEGRATED, ULTRA LOW POWER SRAM, POWER-FAIL CONTROL CIRCUIT, and BATTERY s Figure 1. 32-pin PMDIP Module 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 5.5V 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 SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY SNAPHAT HOUSING (BATTERY) IS REPLACEABLE PIN and FUNCTION COMPATIBLE WITH JEDEC STANDARD 128K x 8 SRAMs EQUIVALENT SURFACE-MOUNT (SMT) SOLUTION REQUIRES A 28-PIN M40Z300/W and A STAND-ALONE 128K x8 LPSRAM (SNAPHAT® Top to be ordered separately) 32 1 s s s s PMDIP32 (PM) Module s s s s * Contact Local Sales Office October 2003 Rev. 3.4 1/21 M48Z128, M48Z128Y, M48Z128V* TABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Logic Diagram (Figure 2.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Signal Names (Table 1.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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