Part number:
DS1321
Manufacturer:
File Size:
528.18 KB
Description:
Flexible nonvolatile controller.
Datasheet Details
Part number:
DS1321
Manufacturer:
File Size:
528.18 KB
Description:
Flexible nonvolatile controller.
DS1321, Flexible Nonvolatile Controller
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 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
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