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DS2224 - EconoRAM

General Description

The DS2223 and DS2224 EconoRAMs are fully static, micro powered, read/write memories in low cost TO 92 or SOT

223 packages.

The DS2223 is organized as a serial 256 x 1 bit static read/write memory.

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Datasheet Details

Part number DS2224
Manufacturer Dallas Semiconducotr
File Size 102.84 KB
Description EconoRAM
Datasheet download datasheet DS2224 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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 standby current at 25°C • Nonvolatile data 1 2 3 2 BOTTOM VIEW See Mech. Drawings Section 4 3 retention easily achieved via low– cost alkaline batteries or capacitors lers • Directly connects to a port pin of popular microcontrol• Operation from 1.2 to 5.