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DS1211SN

IC CONTROLLER 8-CHIP NV 20-SOIC

Product Category: Memory Controllers
Mfr. Part #
DS1211SN
Manufacturer: Maxim Integrated
Package: 20-SOIC (0.295", 7.50mm Width)
Lead Free Status /RoHS Status:
Data Sheet: DS1211SN Datasheet
Inventory: In Stock

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Mfr. Part #: DS1211SN

Specifications
Product Details

Specifications

Manufacturer Maxim Integrated

Product Category Memory Controllers

Series -

Packaging Tube

Package-Case 20-SOIC (0.295", 7.50mm Width)

Operating-Temperature -40Â°C ~ 85Â°C

Voltage-Supply 4.75 V ~ 5.5 V

Supplier-Device-Package 20-SOIC W

Controller-Type Nonvolatile RAM

Product Details

DESCRIPTION

The DS1211 Nonvolatile Controller x 8 Chip is a CMOS circuit which solves the application problem of converting CMOS RAMs into nonvolatile memories. Incoming power is monitored for an out-oftolerance condition. When such a condition is detected, the chip enables are inhibited to accomplish write protection and the battery is switched on to supply RAMs with uninterrupted power. Special circuitry uses a low-leakage CMOS process which affords precise voltage detection at extremely low battery consumption.

FEATURES

â– Converts full CMOS RAMs into nonvolatile memories
â– Unconditionally write protects when VCC is out of tolerance
â– Automatically switches to battery when power-fail occurs
â– 3 to 8 decoder provides control for up to eight CMOS RAMs
â– Consumes less than 100 nA of battery current
â– Tests battery condition on power-up
â– Provides for redundant batteries
â– Power-fail signal can be used to interrupt processor on power failure
â– Optional 5% or 10% power-fail detection
â– Optional 20-pin SOIC surface mount package
â– Optional industrial temperature range of -40Â°C to +85Â°C

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Mfr. Part #: DS1211SN