Datasheet

T
T
T
S
S
S
4
4
4
~
~
~
1
1
1
6
6
6
G
G
G
U
U
U
S
S
S
D
D
D
H
H
H
C
C
C
2
2
2
-
-
-
P
P
P
3
3
3
4~16GB microSDHC Class 2 Card + Reader P3
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)