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M48T58

ST Microelectronics
Part Number M48T58
Manufacturer ST Microelectronics
Description 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
Published Apr 29, 2005
Detailed Description M48T58 M48T58Y 5.0 V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM Features ■ Integrated, ultra low power SRAM, real-time clock,...
Datasheet PDF File M48T58 PDF File

M48T58
M48T58

Overview
M48T58 M48T58Y 5.
0 V, 64 Kbit (8 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): – M48T58: VCC = 4.
75 to 5.
5 V; 4.
5 V ≤ VPFD ≤ 4.
75 V – M48T58Y: VCC = 4.
5 to 5.
5 V; 4.
2 V ≤ VPFD ≤ 4.
5 V ■ Self-contained battery and crystal in the CAPHAT™ DIP package ■ Packaging includes a 28-lead SOIC and SNAPHAT® top (to be ordered separately) ■ SOIC package provides dire...


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