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1225

Part Number	1225
Manufacturer	Dallas
Description	64k Nonvolatile SRAM
Published	Oct 24, 2005
Detailed Description	com DS1225AB/AD 64k Nonvolatile SRAM www.dalsemi.com FEATURES 10 years minimum data retention in the a...
Datasheet	1225 PDF File

Overview

com DS1225AB/AD 64k Nonvolatile SRAM www.
dalsemi.
com FEATURES 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 8k x 8 volatile static RAM or EEPROM Unlimited write cycles Low-power CMOS JEDEC standard 28-pin DIP package Read and write access times as fast as 70 ns Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time Full ±10% VCC operating range (DS1225AD) Optional ±5% VCC operating range (DS1225AB) Optional industrial temperature range of -40°C to +85°C, designated IND PIN ASSIGNMENT NC A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND ...

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