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PST523

Part Number	PST523
Manufacturer	MITSUMI
Description	Battery Backup IC
Published	Mar 5, 2010
Detailed Description	MITSUMI Battery Backup IC Battery Backup IC 1. Background of Development Around 1985 when began the sales of IC for mi...
Datasheet	PST523 PDF File

Overview

MITSUMI Battery Backup IC Battery Backup IC 1.
Background of Development Around 1985 when began the sales of IC for microcomputer peripheral equipment and system reset IC, a set manufacture inquired of us about IC for control of memory.
It was a good change for us to decide a joint development of general purpose IC.
This resulted in the development of PST531 and PST532.
In 1989 they were improved into the backup IC series dedicated to cards, games (popular-priced) and to 1-chip microcomputers.
Our IC series now includes low current consumption type products.
2.
What is Battery Backup IC? Such IC memories as S-RAM and D-RAM all volatilize when power supply is cut off.
Usually we use batteri...

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