Description
The M62021 is a system IC that controls the memory backup function of 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 = 80 mA, VIN = 5 V) 0.2 V Typ.
- Detection voltage (power supply monitor voltage) 4.40 V ± 0.2 V.
- 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.
