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croSDHC Card seri
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m croSDHC Card ser es
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Bus Timing (High Speed Mode)
High Capacity microSD Card
Parameter
Clock frequency Data Transfer Mode
Clock low time
Clock high time
Clock rise time
Clock fall time
Inputs CMD, DAT (referenced to CLK)
Input set-up time
Input hold time
Outputs CMD, DAT (referenced to CLK)
Symbol
f
PP
t
WL
t
WH
t
TLH
t
THL
t
ISU
t
IH
Min
0
7
7
Max.
50
Unit
MHz
ns
ns
Remark
C
CARD
≤
10 pF, (1 card)
C
CARD
≤
10 pF, (1 card)
C
CARD
≤
10 pF, (1 card)
C
CARD
≤
10 pF, (1 card)
C
CARD
≤
10 pF, (1 card)
C
CARD
≤
10 pF, (1 card)
C
CARD
≤
10 pF, (1 card)
Clock CLK (All values are referred to min (V
IH
) and max (V
IL
)
3
3
6
2
ns
ns
ns
ns
Transcend Information Inc.
8
TRANSCEND [ TRANSCEND INFORMATION. INC. ]
