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INTERFACE M62021L,P,FP SYSTEM RESET IC WITH SWITCH FOR MEMORY BACK-UP DESCRIPTION The M62021 is a system IC that controls the memory backup function of SRAM and 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,outputs a signal (CS) that invokes standby mode,and alters RAM to backup circuit mode.
The M62021 contains,in a single chip,power supply monitor and RAM backup functions needed for a microcomputer system,so that the IC makes it possible to construct a system easily and with fewer components compared with a conventional case that uses indi...

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