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DS1321

Flexible Nonvolatile Controller

DS1321 Features

* Converts CMOS SRAM into nonvolatile memory

* Unconditionally write-protects SRAM when VCC is out of tolerance

* Automatically switches to battery backup supply when VCC power failure occurs

* Flexible memory organization - Mode 0: 4 banks with 1 SRAM each - Mode 1: 2 banks with 2 S

DS1321 General Description

VCCI VCCO VBAT A, B - +5V Power Supply Input - SRAM Power Supply Output - Backup Battery Input - Address Inputs CEI1 - CEI4 - Chip Enable Inputs CEO1 - CEO4 - Chip Enable Outputs TOL - VCC Tolerance Select BW - Battery Warning Output (Open Drain) RST - Reset Output (Open Drain) MODE - Mod.

DS1321 Datasheet (528.18 KB)

Preview of DS1321 PDF

Datasheet Details

Part number:

DS1321

Manufacturer:

Maxim Integrated ↗

File Size:

528.18 KB

Description:

Flexible nonvolatile controller.

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DS1321 Flexible Nonvolatile Controller Maxim Integrated

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