Transcend Information TS4G-16GSDHC6- S5W - Manual (Page 8)

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SDHC Memory Card + Reader S5
Transcend Information Inc. 8
• Bus Timing (High Speed Mode)
Parameter Symbol Min Max. Unit Remark
Clock CLK (All values are referred to min (V
IH
) and max (V
IL
)
Clock frequency Data Transfer Mode f
PP
0 50 MHz C
CARD
≤ 10 pF, (1 card)
Clock low time t
WL
7 ns C
CARD
≤ 10 pF, (1 card)
Clock high time t
WH
7 ns C
CARD
≤ 10 pF, (1 card)
Clock rise time t
TLH
3 ns C
CARD
≤ 10 pF, (1 card)
Clock fall time t
THL
3 ns C
CARD
≤ 10 pF, (1 card)
Inputs CMD, DAT (referenced to CLK)
Input set-up time
t
ISU
6 ns C
CARD
≤ 10 pF, (1 card)
Input hold time t
IH
2 ns C
CARD
≤ 10 pF, (1 card)
Outputs CMD, DAT (referenced to CLK)