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M48T35Y Dataheets PDF



Part Number M48T35Y
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
Datasheet M48T35Y DatasheetM48T35Y Datasheet (PDF)

M48T35 M48T35Y 5 V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM Features ■ Integrated, ultra low power SRAM, real-time clock, power-fail control circuit and battery ■ BYTEWIDE™ RAM-like clock access ■ BCD coded year, month, day, date, hours, minutes, and seconds ■ Frequency test output for real-time clock ■ Automatic power-fail chip deselect and WRITE protection ■ WRITE protect voltages VPFD = power-fail deselect voltage): – M48T35: VCC = 4.75 to 5.5 V; 4.5 V ≤ VPFD ≤ 4.75 V – M48T35Y: VCC = 4.5 to 5.

  M48T35Y   M48T35Y


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M48T35 M48T35Y 5 V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM Features ■ Integrated, ultra low power SRAM, real-time clock, power-fail control circuit and battery ■ BYTEWIDE™ RAM-like clock access ■ BCD coded year, month, day, date, hours, minutes, and seconds ■ Frequency test output for real-time clock ■ Automatic power-fail chip deselect and WRITE protection ■ WRITE protect voltages VPFD = power-fail deselect voltage): – M48T35: VCC = 4.75 to 5.5 V; 4.5 V ≤ VPFD ≤ 4.75 V – M48T35Y: VCC = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V ■ Self-contained battery and crystal in the CAPHAT™ DIP package ■ SOIC package provides direct connection for a SNAPHAT® housing containing the battery and crystal ■ SNAPHAT® housing (battery and crystal) is replaceable ■ Pin and function compatible with JEDEC standard 32 Kb x 8 SRAMs ■ RoHS compliant – Lead-free second level interconnect 28 1 PCDIP28 Battery/crystal CAPHAT™ SNAPHAT® Battery/crystal 28 1 SOH28 June 2011 .


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