UHS-I
E745355
UHS-I is a high-speed bus interface standard for SD memory cards that significantly increases data transfer rates compared to earlier SD specifications.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| UHS-II | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
SD bus interface standard
ⓘ
Ultra High Speed bus standard ⓘ memory card interface ⓘ |
| appliesTo |
SD memory cards
ⓘ
SDHC cards NERFINISHED ⓘ SDXC cards ⓘ |
| backwardCompatibleWith |
non-UHS SD cards
ⓘ
standard SD bus ⓘ |
| busType | synchronous serial bus ⓘ |
| category | flash memory interface standard ⓘ |
| compatibleFormFactor |
full-size SD card
ⓘ
microSD card ⓘ |
| dataTransferRateComparedTo |
higher than High Speed SD
ⓘ
higher than standard SD ⓘ |
| definedBy | SD Association NERFINISHED ⓘ |
| electricalInterface | single-ended signaling ⓘ |
| improvesOver | High Speed SD bus ⓘ |
| introducedAs | first generation Ultra High Speed (UHS) bus ⓘ |
| logoIndication | UHS-I symbol on SD card label ⓘ |
| marketedAs | Ultra High Speed I ⓘ |
| maximumBusSpeed | 104 MB/s ⓘ |
| partOf | SD card specification NERFINISHED ⓘ |
| performanceClassRelation | used with UHS Speed Class ratings ⓘ |
| physicalPins | uses existing SD card pin layout ⓘ |
| requires |
UHS-I compatible SD card
ⓘ
UHS-I compatible host device ⓘ |
| requiresConfiguration | host and card must negotiate UHS mode ⓘ |
| requiresHostSupport | UHS-I capable SD host controller ⓘ |
| signalVoltage |
1.8 V
ⓘ
3.3 V ⓘ |
| standardizedIn | SD Specification Version 3.0 NERFINISHED ⓘ |
| supports | higher sustained write speeds than standard SD ⓘ |
| supportsBusSpeedMode |
DDR50
GENERATED
ⓘ
SDR104 GENERATED ⓘ SDR12 GENERATED ⓘ SDR25 GENERATED ⓘ SDR50 GENERATED ⓘ |
| targetUse |
HD video recording
ⓘ
continuous burst photography ⓘ high-speed data transfer ⓘ |
| usedIn |
camcorders
ⓘ
digital cameras ⓘ laptops with SD card slots ⓘ smartphones ⓘ tablets ⓘ |
| usesBusWidth | 4-bit ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
UHS-II