T
T
TS
S
S4
4
4G
G
G-
-
-1
1
16
6
6G
G
GS
S
SD
D
DH
H
HC
C
C6
6
6-
-
-S
S
S5
5
5W
W
W
SDHC Memory Card + Reader S5
Transcend Information Inc.
6
• Bus Timing
Parameter Symbol Min Max. Unit Remark
Clock CLK (All values are referred to min (VIH) and max (VIL)
Clock frequency Data Transfer Mode fPP 0 25 MHz CCARD ≤ 10 pF, (1 card)
Clock frequency Identification Mode fOD 0(1)/100 400 KHz CCARD ≤ 10 pF, (1 card)
Clock low time tWL 10 ns CCARD ≤ 10 pF, (1 card)
Clock high time tWH 10 ns CCARD ≤ 10 pF, (1 card)
Clock rise time tTLH 10 ns CCARD ≤ 10 pF, (1 card)
Clock fall time tTHL 10 ns CCARD ≤ 10 pF, (1 card)
Inputs CMD, DAT (referenced to CLK)
Input set-up time tISU 5 ns CCARD ≤ 10 pF, (1 card)
Input hold time tIH 5 ns CCARD ≤ 10 pF, (1 card)
Outputs CMD, DAT (referenced to CLK)