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PST621

Mitsumi Electronics
Part Number PST621
Manufacturer Mitsumi Electronics
Description (PST620 / PST621) System Reset
Published Nov 22, 2009
Detailed Description MITSUMI System Reset (with battery back-up) PST620, 621 System Reset (with battery back-up) Monolithic IC PST620, 621...
Datasheet PDF File PST621 PDF File

PST621
PST621

Overview
MITSUMI System Reset (with battery back-up) PST620, 621 System Reset (with battery back-up) Monolithic IC PST620, 621 Outline These ICs are part of the regular series of back-up ICs, and use capacitors (super capacitor, large capacity chemical capacitor) as back-up power supply.
They control 1-chip microcomputer high-speed, low-speed, and stand-by modes (MNI control).
These ICs also are capable of controlling data save in EPROM and other nonvolatile memories during power outage.
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 ris...


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