M48T212A
ST Microelectronics
3.3V TIMEKEEPER CONTROLLERM48T212A
3.3V TIMEKEEPER® CONTROLLER
PRELIMINARY DATA
s
CONVERTS LOW POWER SRAM into NVRAMs YEAR 2000 COMPLIANT (4-Digit Year) USES SUPER CAPACITOR or LITHIUM BATTERY (User Supplied) BATTERY LOW FLAG INTEGRATED REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT AUT
M48T212V
3.3V TIMEKEEPER supervisorM48T212V
3.3V TIMEKEEPER® supervisor
Features
■ Integrated real-time clock, power-fail control
circuit, battery and crystal
)■ Converts low power SRAM into NVRAMs t(s■ Year 2000 compliant (4-digit year) c■ Battery low flag du■ Microprocessor power-on reset ro■ Programmable alarm outp
ST Microelectronics
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M48T212Y
5V/3.3V TIMEKEEPER[ CONTROLLERM48T212Y 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 WR
ST Microelectronics
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