Miniaturized MultiMediaCard e.g. as a memory expansion for mobile phones


Downloads & Links

Data sheet RS-MMC
(PDF – v.0105 – 184 KB)

brochure SanDisk Consumer/OEM product line (PDF – v.1205 – 492 KB)

brochure SanDisk Memory card solutions for mobile devices (PDF – v.0205 – 3278 KB)

brochure SanDisk Retail products
(PDF – v.0805 – 859 KB)

brochure SanDisk Consumer/OEM products (PDF, German – v.1.0 – 758 KB)

Manual and installation guide for downloading

Product pictures for downloading

News page «SanDisk Consumer/OEM product portfolio» of 1st Sept. 2005
Homepage SanDisk Corporation
An RS-MMC (Reduced Size MultiMediaCard) is roughly half the size (18 x 24 x 1.4 mm) of a (full size) MultiMediaCard (32 x 24 x 1.4 mm).

They both have the same electrical characteristics and the same pin assignments. The RS-MMC can be used like a MultiMediaCard with the help of an extender.

A typical application is a memory expansion for mobile phones or digital cameras.

What are MultiMediaCards?

The MultiMediaCard Standard was jointly developed in 1997 by SanDisk and Siemens (now Infineon) to allow miniaturization of digital equipment and to provide exchangeable storage media for small mobile devices.

The MultiMediaCard was then further developed to the SD Card.

The MultiMediaCard (32 x 24 x 1.4 mm) has the same footprint as the SD Card (2.1 mm height) but is 0.7 mm thinner and has 7 instead of 9 pins.

It uses the same flash technology as CompactFlash and PC Cards, but the data is transferred serially rather than the parallel data transfer used by the ATA protocol.

above: SanDisk RS-MMC 32 MB with extender

right: RS-MMC product family with extender

top right: SanDisk RS-MMC 1 GB


Versions (with Item number)

32 MB SanDisk RS-MMC
altec Item no.: 19SD32
SanDisk Item no.: SDMRJ-32

64 MB SanDisk RS-MMC
altec Item no.: 19SD64
SanDisk Item no.: SDMRJ-64

128 MB SanDisk RS-MMC
altec Item no.: 19SD128
SanDisk Item no.: SDMRJ-128

256 MB SanDisk RS-MMC
altec Item no.: 19SD256
SanDisk Item no.: SDMRJ-256

512 MB SanDisk RS-MMC
altec Item no.: 19SD512
SanDisk Item no.: SDMRJ-512

1,0 GB SanDisk RS-MMC
altec Item no.: 19SD1024
SanDisk Item no.: SDMRJ-1024



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