T
T
T
S
S
S
4
4
4
G
G
G
-
-
-
1
1
1
6
6
6
G
G
G
S
S
S
D
D
D
H
H
H
C
C
C
6
6
6
-
-
-
S
S
S
5
5
5
W
W
W
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)
