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What is the difference between CIO and SIO?

What is the difference between CIO and SIO?

Anonymous
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When selecting DDR-II family of SRAM's you can choose between CIO and SIO. What is the difference between them?

Common Input Output (CIO)

 

CIO stands for "Common Input Output". In CIO, common bus is used for reading and writing in memory, so you cannot read and write simultaneously.

 

Separate Input Output (SIO)

 

SIO stand for "Separate Input Output".  Where in SIO, separate bus is there for reading and writing, so you can do simultaneous reading and writing.

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