M48T201V - 3.3V-5V TIMEKEEPER CONTROLLER
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M48T201V Features
* Converts low power SRAM into NVRAMs
* Year 2000 compliant
* Battery low flag
* Integrated real time clock, power-fail control circuit, battery and crystal
* Watchdog timer
* Choice of write protect voltages (VPFD = power-fail deselect voltage):
* M48T201Y: VCC = 4.5
