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Untangle the web of removable storage | Cypress Semiconductor

Untangle the web of removable storage

Last Updated: 
Nov 13, 2008

Lately it seems like there is a new mass storage standard introduced every day. It's getting difficult to keep track of all of the new standards.  CompactFlash was the only game in town for a while, but now the maker of a new device has to choose between CF, SD, SDIO, MMC, RS-MMC, MMC Plus, Memory Stick, XD, and CE-ATA mass storage devices. Sometimes a new standard has an obvious advantage, sometimes it seems like Betamax vs. VCS. In this article we'll give a brief picture of these interfaces and sort out their differences.