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M62021L - System Reset-IC

General Description

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.

Key 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.

📥 Download Datasheet

Datasheet Details

Part number M62021L
Manufacturer Renesas
File Size 268.52 KB
Description System Reset-IC
Datasheet download datasheet M62021L Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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M62021L/P/FP System Reset IC with Switch for Memory Backup REJ03D0784-0200 Rev.2.00 Jun 15, 2007 Description 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, 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 individual ICs and discrete components.