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M48T212Y

ST Microelectronics
Part Number M48T212Y
Manufacturer ST Microelectronics
Description 5V/3.3V TIMEKEEPER[ CONTROLLER
Published Apr 29, 2005
Detailed Description M48T212Y M48T212V 5V/3.3V TIMEKEEPER® CONTROLLER s CONVERTS LOW POWER SRAM into NVRAMs YEAR 2000 COMPLIANT (4-Digit Yea...
Datasheet PDF File M48T212Y PDF File

M48T212Y
M48T212Y

Overview
M48T212Y M48T212V 5V/3.
3V TIMEKEEPER® CONTROLLER s CONVERTS LOW POWER SRAM into NVRAMs YEAR 2000 COMPLIANT (4-Digit Year) BATTERY LOW FLAG INTEGRATED REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION WATCHDOG TIMER CHOICE of WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): – M48T212Y: 4.
2V ≤ VPFD ≤ 4.
5V – M48T212V: 2.
7V ≤ VPFD ≤ 3.
0V s s s SNAPHAT (SH) Battery s 44 1 SOH44 (MH) s s s s MICROPROCESSOR POWER-ON RESET PROGRAMMABLE ALARM OUTPUT ACTIVE in the BATTERY BACKED-UP MODE PACKAGING INCLUDES a 44-LEAD SOIC and SNAPHAT® TOP (to be Ordered Separately) Figure 1.
Logic Diagram s VCC VCCSW DESCRIPT...


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