MultiMediaCard

E745345

MultiMediaCard is a solid-state memory card standard used for portable storage in devices like cameras, phones, and embedded systems.

All labels observed (3)

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf flash memory card
memory card standard
solid-state storage medium
abbreviation MMC
backwardCompatibility many SD card slots
busWidth 1-bit data bus
competitorTo CompactFlash
Memory Stick
SmartMedia
contactType exposed copper contacts
developedBy SanDisk
Siemens AG
linked to: Siemens
formFactor removable card
interfaceType SPI mode support
serial interface
introducedInYear 1997
maximumClockFrequency 20 MHz
physicalHeight 32 mm
physicalThickness 1.4 mm
physicalWidth 24 mm
pinCount 7 pins
standardizedBy JEDEC
MultiMediaCard Association
linked to: MultiMediaCard
status largely superseded by SD cards
storageTechnology NAND flash memory
successorStandard HS-MMC
MMCmicro
MMCmobile
MMCplus
Secure Digital
eMMC
supports block-oriented data access
boot partitions in some embedded designs
error correction
wear leveling
typicalCapacityRange megabytes to several gigabytes
useCase MP3 players
PDAs
digital cameras
embedded systems
industrial devices
mobile phones
portable storage
usedIn embedded controllers
legacy digital cameras
legacy mobile phones
voltageRange 2.7–3.6 V

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

eMMC basedOn MultiMediaCard
MultiMediaCard standardizedBy MultiMediaCard Association
linked to: MultiMediaCard
Secure Digital derivedFrom MultiMediaCard
RS-MMC basedOnStandard MultiMediaCard
RS-MMC standardFamily MultiMediaCard family
linked to: MultiMediaCard