Comparison of Removable Memory Card sizes
MiniSD Card is a type of Removable NAND flash memory
card format which was introduced in 2003. The MiniSD Card measures 20mm x 21.5mm and 1.4mm thick.
miniSD cards have memory capacities ranging from 256MB to 4GB. However, some of the capacity may be used for formatting and other functions, and not available for data storage. A miniSD card will fit in an SD card slot with a miniSD Adapter, miniSD Adaptes makes miniSD memory cards compatible with all SD-based devices. MiniSD cards are used with digital cameras, camcorders,
mobile phones, MP3 players, PC’s, PDA’s and any other device with a SecureDigital card slot. Power supply voltage range; 2.7v to 3.6 volts
There are 3 speed grades: Class 2, 2MB/s, Class 4, 4MB/s and class 6 card, 6MB/s.
Refer to the SD
Card, or the microSD
Card pages.
| Pin # | Pin Name | SD Signal Function SD Mode | SPI Signal Function SPI Mode |
| 1 | CD/DAT3 | Chip Detect/Data Line 3 | Chip Select |
| 2 | CMD | Command Line | Data In [DI] |
| 3 | VSS1 | Ground | Ground |
| 4 | Vdd | Voltage Supply [2.7v or 3.6v] | Voltage Supply [2.7v or 3.6v] |
| 5 | Clock | Clock | Clock [SCK] |
| 6 | Vss2 | Ground | Ground |
| 7 | DAT0 | Data Line 0 | Data Out [DO] |
| 8 | DAT1 | Data Line 1 | Unused |
| 9 | DAT2 | Data Line 2 | Unused |
| 10 | NC | For future use | For future use |
| 11 | NC | For future use | For future use |
Comparison of Removable Memory Card sizes
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The picture to the right shows: The MicroSD form factors picture is used under GNU License |
 Comparison of SD Memory Card sizes SD Card, miniSD Card, microSD Card |
Engineering Design Key words: miniSD, Memory Stick card, Memory Stick, Memory Stick Duo, MemoryStick PRO, Memory Stick pinout, MagicGate, MagicGate Memory Stick, Form Factor, SPI, pinout, Pin out Personal Computer Memory Card International Association, PC Card, Interconnect, Electrical layer, Interface Standard Data Bus, Standard, Specification, Spec, Interface, IC, Physical Interface, Description, Manufacturer, Personal Computer, PC, Pin-out, Connector Pins
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