PST620 - (PST620 / PST621) System Reset

Product Overview

Mitsumi Electronics

Datasheet Details

Part number	PST620
Manufacturer	Mitsumi Electronics
File Size	226.75 KB
Description	(PST620 / PST621) System Reset
Datasheet	PST620 Datasheet
Additional preview pages of the PST620 datasheet.

Product details

Description

Pin No.

1 2 3 4 5 6 7 8 Pin name VAC VCC1 VCC2 TC RE PSCONT CE GND Function Has +2.0V detection voltage to detect AC power supply and stable power supply primary side, for quick power outage detection.

Features

1. Low current consumption 2. Capacitors (super capacitor, large capacity chemical capacitor) are used for back-up power supply, lowering system cost 3. Stable 1-chip microcomputer crystal oscillator rise time maintained with the built-in pulse shaver. 4. In addition to power outage detection for main power supply (+5V), there are built-in pins to detect AC power supply and +5V power supply primary side 5. Reset signal output by back-up power supply (super capacitor, large capacity chemical capa.

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Published: Nov 22, 2009 |