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DS1312S-2

Memory Controllers Nonvolatile Controller with Lithium Battery Monitor

Product Category: Memory Controllers
Mfr. Part #
DS1312S-2+
Manufacturer: Analog Devices Inc.
Package: Tube
Lead Free Status /RoHS Status:
Data Sheet: DS1312S-2+ Datasheet
Inventory: In Stock

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Mfr. Part #: DS1312S-2+

Specifications
Product Details

Specifications

Manufacturer Analog Devices Inc.

Memory Type Nonvolatile SRAM

Battery Backup Switching Yes

Supply Voltage - Max 5.5 V

Supply Voltage - Min 4.5 V

Operating Supply Current 50 uA, 200 uA

Minimum Operating Temperature - 40 C

Maximum Operating Temperature + 85 C

Mounting Style SMD/SMT

Package / Case SOIC-8

Packaging Tube

Height 1.35 mm

Length 4.8 mm

Series DS1312S

Type Non-Volatile SRAM (NVSRAM)

Width 3.8 mm

Brand Analog Devices / Maxim Integrated

Lithium Battery Monitor Yes

Number of Memory Channels 1 Channel

Operating Supply Voltage 5 V

Product Type Memory Controllers

Standard Pack Qty 100

Subcategory Memory & Data Storage

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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Mfr. Part #: DS1312S-2+