DS2227 Datasheet - Dallas Semiconducotr

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DS2227 Flexible NV SRAM Stik

DS2227 Flexible NV SRAM Stik www.dalsemi.com .
The DS2227 Flexible NV SRAM Stik is a self-contained 4,194,304-bit nonvolatile static RAM which can be flexibly organized as 128k x 32 bits, 256k x 16.

DS2227_DallasSemiconducotr.pdf

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Datasheet Details

Part number:

DS2227

Manufacturer:

Dallas Semiconducotr

File Size:

191.49 KB

Description:

Flexible NV SRAM Stik

Features

* Flexibly organized as 128k x 32, 256k x 16, or 512k x 8 bits Data retention >10 years in the absence of VCC Nonvolatile circuitry transparent to and independent from host system Automatic write protection circuitry safeguards against data loss Separate chip enables allow access by byte, word, or lon

Applications

* data integrity is paramount. The DS2227 provides two batteries for each SRAM and an internal isolation switch to select between them. During battery backup, the battery with the highest voltage is selected for use. If one battery fails, the other automatically takes over. The switch between batterie

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DS2227 Flexible SRAM Stik Dallas Semiconducotr

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