Transcend Information TS8GSDHC 6 User Manual
Page 6
S
S
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D
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H
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C
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C
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4~32GB High Capacity Secure Digital Card
Transcend Information Inc.
6
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Bus Timing
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 25
MHz
C
CARD
≤ 10 pF, (1 card)
Clock frequency Identification Mode
f
OD
0
(1)
/100
400 KHz
C
CARD
≤ 10 pF, (1 card)
Clock low time
t
WL
10 ns
C
CARD
≤ 10 pF, (1 card)
Clock high time
t
WH
10 ns
C
CARD
≤ 10 pF, (1 card)
Clock rise time
t
TLH
10 ns
C
CARD
≤ 10 pF, (1 card)
Clock fall time
t
THL
10 ns
C
CARD
≤ 10 pF, (1 card)
Inputs CMD, DAT (referenced to CLK)
Input set-up time
t
ISU
5 ns
C
CARD
≤ 10 pF, (1 card)
Input hold time
t
IH
5 ns
C
CARD
≤ 10 pF, (1 card)
Outputs CMD, DAT (referenced to CLK)