M62021L reset-ic equivalent, system reset-ic.
* Built-in switch for selection between main power supply and backup power supply to RAM.
* Small difference between input and output voltage (IOUT = 80 mA, VIN =.
The M62021 is a system IC that controls the memory backup function of microcomputer (internal RAM).
The IC outputs reset signals (RES/RES) to a microcomputer at power-down and power failure. It also shifts the power supply to RAM from main to backup,.
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