Data Sheet
Table Of Contents
19
SDIO Timing Data - DDR50 Mode (50MHz)
Symbol
Parameter
Condition
Min
Typ
Max
Units
Clock
T
CLK
Clock time
DDR50
20
-
-
ns
T
CR
, T
CF
Rise time, fall time
DDR50
-
-
0.2*T
CLK
Ns
Clock Duty
DDR50
45
-
55
%
CMD Input
T
IS
Input setup time
DDR50
6
-
-
ns
T
IH
Input hold time
DDR50
0.8
-
-
ns
CMD Output
T
ODLY
Output delay time during
data transfer mode
DDR50
-
-
13.7
ns
T
OHLD
Output hold time
DDR50
1.5
-
-
ns
DAT [3:0] Input
T
IS2X
Input setup time
DDR50
3
-
-
ns
T
IH2X
Input hold time
DDR50
0.8
-
-
ns
DAT [3:0] Output
T
ODLY2X(max)
Output delay time during
data transfer mode
DDR50
-
-
7
ns
T
ODLY2X(min)
Output hold time
DDR50
1.5
-
-
ns