Transcend Information manual 128MB~2GB SD80 Cards Bus Timing High Speed Mode

Page 7

SD80 series

128MB~2GB SD80 Cards

•Bus Timing (High Speed Mode)

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

50

MHz

 

 

 

Clock low time

tWL

7

 

ns

 

 

 

 

 

 

 

 

 

 

 

Clock high time

tWH

7

 

ns

 

 

 

Clock rise time

tTLH

 

3

ns

 

 

 

Clock fall time

tTHL

 

3

ns

 

 

 

Inputs CMD, DAT (referenced to CLK)

 

 

 

 

 

 

 

Input set-up time

tISU

6

 

ns

 

 

 

Input hold time

tIH

2

 

ns

 

 

 

Outputs CMD, DAT (referenced to CLK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transcend Information Inc.

 

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Contents
Placement 128MB~2GB SD80 Cards Description FeaturesPin Definition 128MB~2GB SD80 Cards Architecture 128MB~2GB SD80 Cards Bus Operating Conditions General Power Supply VoltageBus Signal Line Load Parameter Symbol Min Max UnitParameter Symbol Min Max Unit Remark 128MB~2GB SD80 Cards Bus Signal Levels128MB~2GB SD80 Cards Bus Timing Default 128MB~2GB SD80 Cards 128MB~2GB SD80 Cards Bus Timing High Speed Mode Reliability and Durability