Transcend Information TS8GSDHC 6, TS4GSDHC 6 ~32GB High Capacity Secure Digital Card Bus Timing

Page 6

SDHC Card series

4~32GB High Capacity Secure Digital Card

Bus Timing

Parameter

Symbol

Min

Max.

Unit

Remark

Clock CLK (All values are referred to min (VIH) and max (VIL)

 

Clock frequency Data Transfer Mode

fPP

0

25

MHz

CCARD 10 pF, (1 card)

 

 

Clock frequency Identification Mode

fOD

0(1)/100

400

KHz

CCARD 10 pF, (1 card)

 

 

Clock low time

tWL

10

 

ns

CCARD 10 pF, (1 card)

 

 

Clock high time

tWH

10

 

ns

CCARD 10 pF, (1 card)

 

 

Clock rise time

tTLH

 

10

ns

CCARD 10 pF, (1 card)

 

 

Clock fall time

tTHL

 

10

ns

CCARD 10 pF, (1 card)

 

 

Inputs CMD, DAT (referenced to CLK)

 

 

 

 

 

 

 

Input set-up time

tISU

5

 

ns

CCARD 10 pF, (1 card)

 

 

Input hold time

tIH

5

 

ns

CCARD 10 pF, (1 card)

 

 

Outputs CMD, DAT (referenced to CLK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transcend Information Inc.

 

6

 

 

 

 

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Contents Placement Features ~32GB High Capacity Secure Digital Card DescriptionPin Definition ~32GB High Capacity Secure Digital Card Architecture Power Supply Voltage Bus Signal Line LoadCurrent Consumption ~32GB High Capacity Secure Digital Card ~32GB High Capacity Secure Digital Card Bus Signal Levels Parameter Symbol Min Max Unit Remark~32GB High Capacity Secure Digital Card Bus Timing Output Delay time during Data Transfer Mode MHz Ccard ≤ 10 pF, 1 card Clock low time Output Hold time Sdhc Card series ~32GB High Capacity Secure Digital Card Register Information OCR registerOID CID RegisterMID PNMCRC PSNMDT CSD RegisterCsdstructure CSD Register Fields CSD VersionTaac NsacTranspeed Readblpartial CCCReadbllen WriteblkmisalignEraseblken WpgrpenableCsize SectorsizeTmpwriteprotect CopyPermwriteprotect FileformatRCA Register DSR Register OptionalSdspec SCR RegisterScrstructure DatastataftereraseSdsecurity SdbuswidthsMechanical Dimension Sdhc Card series Sdhc Card series