microSD

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And you can see more from direct mail postcards diners club card digital output sound card fuji 128mb xd picture card directx sound card box playing card bridge playing card animal christmas card magnetic credit card A generic 8 GB class 6 MicroSD HC card. Shown on a US dime coin for reference.Dissected 64 MB microSD Card, showing cross section through memory chips and printed circuit boardmicroSD is a format for removable flash memory cards. The SD stands for Secure Digital. It is commonly used in cellular phones, but also in handheld GPS devices, portable media players, digital audio players, expandable USB flash memory drives, and for Nintendo DS flashcards, along with digital cameras.It is the smallest memory card available commercially, with the lowest price per capacity and the highest capacity as of 2008[update]. At 15mm 11mm 1mm (about the size of a fingernail), it is about a quarter the size of an SD card.[1] There are adapters which allow a microSD card to be used in devices intended for SD, miniSD, Memory Stick Duo and even USB cards. However, they are not universally compatible.TransFlash and microSD cards are the same (each can be used in devices made for the other), except that microSD adds support for SDIO mode, enabling non-memory cards like Bluetooth, GPS, and Near Field Communication devices.[2]A point of confusion can come from the difference in the microSD and the newer microSDHC format. The SD and SDHC share a similar form factor, but not all devices are compatible with the newer high capacity format. This is even true with devices that have been developed by SanDisk such as their e200 series of MP3 players. Using 3rd party firmware however, SDHC reading capabilities can be possible, but an external writer is still required.[3]A 512 MB Kingston microSD card (right) next to a Patriot SD adapter (left) and miniSD adapter (middle).As of September 2008[update], microSD cards are available in capacities from 64MB to 16GB.[4] A 12GB version was developed by SanDisk but never released.[5] Cards larger than 4GB are only available in the newer SDHC format.Contents1 History 2 Comparisons 3 See also 4 References 5 External links // HistoryThe microSD format was originally created by SanDisk. It was originally called T-Flash, and then TransFlash, before being rechristened microSD when adopted by the SD Card Association (SDA). Other flash card formats approved by the SDA include miniSD and SD card.The SDA announced the microSD format at CTIA Wireless 2005 on March 14, 2005, and approval of the final microSD specification was announced on July 13, 2005. At launch, the microSD format was available in capacities of 32, 64, and 128 MB. SanDisk introduced a 2 GB microSD card in July of 2006, initially priced at US$99.ComparisonsComparison of technical features of MMC and SD card variants v?d?eTypeMMCRS-MMCMMC PlusSecureMMCSDSDIOminiSDmicroSDSD SocketYesMechanical adapterYesYesYesYesElectro-mechanical adapterElectro-mechanical adapterPins7713799118Form factorThinThin/shortThinThinThick (exceptions possible)ThickNarrow/short/thinNarrow/short/extra thinWidth24mm24mm24mm24mm24mm24mm20mm11mmLength32mm18mm32mm32mm32mm32mm+21.5mm15mmThickness1.4mm1.4mm1.4mm1.4mm2.1mm (exceptions possible)2.1mm1.4mm1mmSPI modeOptionalOptionalOptionalYesYesYesYesOptional1 bit modeYesYesYesYesYesYesYesYes4 bit modeNoNoYes?OptionalOptionalOptionalOptional8 bit modeNoNoYes?NoNoNoNointerruptsNoNoNoNoNoOptionalNoNoXfer clock020MHz020MHz052MHz020MHz?025MHz - 050MHz025MHz025MHz?025MHz?Max Transfer20Mbit/s20Mbit/s416Mbit/s20Mbit/s?100Mbit/s - 200Mbit/s100Mbit/s100Mbit/s100Mbit/sMax SPI Transfer20Mbit/s20Mbit/s52Mbit/s20Mbit/s25Mbit/s25Mbit/s25Mbit/s25Mbit/sDRMNoNoNoYesYesN/AYesYesUser encryptNoNoNoYesNoNoNoNoSimplified SpecYesYesNoNot yet?YesYesNoNoMemb cost$2500/yr (not required)$2000/yr (General), $4500/yr (Executive)Spec cost...(and so on)


Memory Card
Features:Can be used in telephone,digital camera,digital vedio camera,MP3... Memory Card mo
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