DS2223T PDF File ( Datasheet )

DS2223, DS2224 DS2223, DS2224 EconoRAM FEATURES PACKAGE OUTLINE TO 92 Low cost, general purpose, 256 bit memory DS2223 has 256 bit SRAM DS2224 has 32 bit ROM, 224 bit SRAM Reduces single pin control, address and data interface to a Each DS2224 32 bit ROM is factory lasered with a unique serial number DS2224 portion of ROM with custom code and unique serial number available SOT 223 1 1 2 3 Minimal operating power: 45 nanocoulombs per transaction @1.5V typical Less than 15 nA st