M62021FP Description
The M62021 is a system IC that controls the memory backup function of SRAM and microputer (internal RAM). The IC outputs reset signals(RES/RES) to a microputer 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...
M62021FP Key Features
- Built-in switch for selection between main power supply and backup power supply to RAM. -Small difference between input