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DS1312E

Nonvolatile RAM -40Â°C ~ 85Â°C Tube Alternate Packaging 20-TSSOP 4.75 V ~ 5.5 V

Product Category: Memory Controllers
Mfr. Part #
DS1312E
Manufacturer: Maxim Integrated
Package: 20-TSSOP (0.173", 4.40mm Width)
Lead Free Status /RoHS Status:
Data Sheet: DS1312E Datasheet
Inventory: In Stock

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Mfr. Part #: DS1312E

Product Details

Product Details

DESCRIPTION

The DS1312 Nonvolatile Controller with Battery Monitor is a CMOS circuit which solves the application problem of converting CMOS RAM into nonvolatile memory. Incoming power is monitored for an outof-tolerance condition. When such a condition is detected, chip enable is inhibited to accomplish write protection and the battery is switched on to supply the RAM with uninterrupted power. Special circuitry uses a low-leakage CMOS process which affords precise voltage detection at extremely low battery consumption.

FEATURES

â—¾ Converts CMOS SRAM into nonvolatile memory
â—¾ Unconditionally write-protects SRAM when VCC is out of tolerance
â—¾ Automatically switches to battery backup supply when VCC power failure occurs
â—¾ Monitors voltage of a lithium cell and provides advanced warning of impending battery failure
â—¾ Signals low-battery condition on active low Battery Warning output signal
â—¾ Optional 5% or 10% power-fail detection
â—¾ Space-saving 8-pin DIP and SOIC packages
â—¾ Optional 16-pin SOIC and 20-pin TSSOP versions reset processor when power failure occurs and hold processor in reset during system power-up
â—¾ Industrial temperature range of -40Â°C to +85Â°C

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Please send inquiry, we will respond immediately.

Mfr. Part #: DS1312E