Datasheet

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)
Output Delay time during Data Transfer Mode
t
ODLY
0
14
ns
C
L
40 pF, (1 card)
Output Delay time during Identification Mode
t
ODLY
0
50
ns
C
L
40 pF, (1 card)
(1) 0 Hz means to stop the clock. The given minimum frequency range is for cases were continues clock is required