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Nonvolatile Controller

Analog Devices

Nonvolatile Controller RSS Sample
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MPN:
DS1218
Producent:
ANALOG DEVICES
Dodany do bazy:
Ostatnio widziany:

The DS1218 Nonvolatile Controller Chip supplies circuitry required to render standard CMOS RAM nonvolatile. VCC is monitored using a precise comparator that detects power-fail and inhibits chip-enable holding a write-protect status until power supplies return to nominal levels. The DS1218 switches active power supplies between VCC and a battery source, whichever is greater. The switch has a voltage drop of less than 0.2V.

* Converts CMOS RAM into nonvolatile memories

* Unconditionally write protects when VCC is out of tolerance

* Automatically switches to battery when power fail occurs

* Space saving 8-pin PDIP or 8-pin 150 mil SO Packages

* Consumes less than 100nA of battery current

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