Description
The M62021 is a system IC that controls the memory backup function of SRAM and microcomputer (internal RAM).
Features
- Built-in switch for selection between main power supply and backup power supply to RAM.
- Small difference between input and output voltage (IOUT=80mA,VIN=5V)0.2V typ.
- Detection voltage (power supply monitor voltage)4.40V±0.2V.
- Chip select signal output(CS) Two channels of reset outputs(RES/RES).
- Power on reset circuit built-in.
- Delay time variable by an external capacitance connected to Ct pin.
- Facilitates to form backup function with a fe.
M62021 Datasheet
