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DS1321ST&R

Memory Controllers Flexible Nonvolatile Controller with Lithium Battery

Product Category: Memory Controllers
Mfr. Part #
DS1321S+T&R
Manufacturer: Analog Devices Inc.
Package: Reel
Lead Free Status /RoHS Status:
Data Sheet: DS1321S+T&R Datasheet
Inventory: In Stock

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Mfr. Part #: DS1321S+T&R

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 4.75 V

Operating Supply Current 50 uA

Minimum Operating Temperature - 40 C

Maximum Operating Temperature + 85 C

Mounting Style SMD/SMT

Package / Case SOIC-Narrow-16

Packaging Reel

Description/Function Converts Full CMOS SRAMs into Nonvolatile Memories

Height 1.35 mm

Length 9.8 mm

Series DS1321S

Type Non-Volatile SRAM (NVSRAM)

Width 3.8 mm

Brand Analog Devices / Maxim Integrated

Lithium Battery Monitor Yes

Number of Memory Channels 4

Operating Supply Voltage 5 V

Product Type Memory Controllers

Standard Pack Qty 2500

Subcategory Memory & Data Storage

Product Details

DS1321S+T&R Description

Analog Devices DS1321S+T&R is a non-volatile controller that solves the application problem of converting CMOS RAM into non-volatile memory. The DS1321S+T&R has a variety of features, including support for battery backup and detection of remaining lithium battery capacity. DS1321S+T&R is suitable for those applications where the supply voltage is between 4.75V and 5.5V.

DS1321S+T&R Features

Converts CMOS SRAM into nonvolatilememory
Unconditionally write-protects SRAM whenVCC is out of tolerance
Automatically switches to battery backupsupply when VCC power failure occurs
Monitors voltage of a lithium cell andprovides advanced warning of impendingbattery failure
Signals low-battery condition on active lowBattery Warning output signal
Optional -5% or -10% power-fail detection
Space-saving 8-pin DIP and SOIC packages
Optional 16-pin SOIC and 20-pin TSSOPversions reset processor when power failureoccurs and hold processor in reset duringsystem power-up
Industrial temperature range of -40°C to+85°C

DS1321S+T&R Applications

Automotive electronics
Computer optical drive
Bluetooth module
Set-top box

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Mfr. Part #: DS1321S+T&R