DS1230W 3.
3V 256k Nonvolatile SRAM www.
dalsemi.
com FEATURES 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Replaces 32k x 8 volatile static RAM, EEPROM or Flash memory Unlimited write cycles Low-power CMOS Read and write access times as fast as 150 ns Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time Optional industrial temperature range of -40°C to +85°C, designated IND JEDEC standard 28-pin DIP package New PowerCap Module (PCM) package - Directly surface-mountable module - Replaceable snap-on PowerCap provides lithium backup battery - Standardized pinout for a...

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