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M48T02

ST Microelectronics
Part Number M48T02
Manufacturer ST Microelectronics
Description 16Kbit (2 Kb x 8) TIMEKEEPER SRAM
Published Apr 29, 2005
Detailed Description M48T02 M48T12 5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER® SRAM Features ■ Integrated, ultra low power SRAM, real-time clock, ...
Datasheet PDF File M48T02 PDF File

M48T02
M48T02

Overview
M48T02 M48T12 5.
0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER® SRAM Features ■ Integrated, ultra low power SRAM, real-time clock, and power-fail control circuit ■ BYTEWIDE™ RAM-like clock access ■ BCD coded year, month, day, date, hours, minutes, and seconds ■ Typical clock accuracy of ±1 minute a month, at 25 °C ■ Software controlled clock calibration for high accuracy applications ■ Automatic power-fail chip deselect and WRITE protection ■ WRITE protect voltages (VPFD = power-fail deselect voltage): – M48T02: VCC = 4.
75 to 5.
5 V; 4.
5 V ≤ VPFD ≤ 4.
75 V – M48T12: VCC = 4.
5 to 5.
5 V; 4.
2 V ≤ VPFD ≤ 4.
5 V ■ Self-contained battery and crystal in the CAPHAT™ DIP package ■ Pin and function compatible with JEDEC standard 2 K x 8 SRAMs ■ RoHS compliant – Lead-free second level interconnect 24 1 PCDIP24 battery/crystal CAPHAT™ June 2011 Doc ID 2410 Rev 9 1/25 www.
st.
com 1 Contents Contents M48T02, M48T12 1 Description .
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