Transcend Information 2GSDM80, TS128M manual Bus Timing Default

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TS128M~2GSDM80

128M~2GB miniSD Memory Card

 

 

 

Bus Timing (Default)

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

CL ≤ 100 pF, (7 cards)

 

 

Clock frequency Identification Mode

fOD

0

400

KHz

CL ≤ 250 pF, (21 cards)

 

 

(The low freq. is required for MultiMediaCard

 

 

 

 

 

 

 

compatibility.)

 

 

 

 

 

 

 

Clock low time

tWL

10

 

ns

CL ≤ 100 pF, (7 cards)

 

 

 

 

50

 

ns

CL ≤ 250 pF, (21 cards)

 

 

Clock high time

tWH

10

 

ns

CL ≤ 100 pF, (7 cards)

 

 

 

 

50

 

ns

CL ≤ 250 pF, (21 cards)

 

 

Clock rise time

tTLH

 

10

ns

CL ≤ 100 pF, (7 cards)

 

 

 

 

 

 

 

 

 

Transcend Information Inc.

 

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Contents 128M~2GB miniSD Memory Card Placement FeaturesDescription Pin DefinitionArchitecture Bus Signal Line Load Power Supply VoltageParameter Symbol Min Max Unit Bus Operating Conditions GeneralParameter Symbol Min Max Unit Remark Bus Signal LevelsBus Timing Default Clock fall time Bus Timing High Speed Mode Reliability and Durability