Datasheet

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)
Output Delay time during Data Transfer Mode
t
ODLY
14
ns
C
L
40 pF, (1 card)
Output Hold time
t
OH
2.5
ns
C
L
40 pF, (1 card)
Total System capacitance for each line
1
C
L
40
pF
(1 card)
1) In order to satisfy severe timing, host shall drive only one card.