Data Sheet
LWB5+
Datasheet
https://www.lairdconnect.com/ 23
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Symbol Parameter Condition Min. Typ. Max. Unit
T
WH
Clock high time
Default Speed
High-Speed
10
7
-
-
-
-
ns
T
ISU
Input Setup time
Default Speed
High-Speed
5
6
-
-
-
-
ns
T
IH
Input Hold time
Default Speed
High-Speed
5
2
-
-
-
-
ns
T
ODLY
Output delay time
CL≦40pF (1 card)
Default Speed
High-Speed
-
-
-
-
14
14
ns
T
OH
Output hold time High-Speed 0 - - ns
10.1.2 SDR12,SDR25,SDR50Mode(upto100MHz)(1.8V)
Figure 4: SDIO protocol timing Diagram--- SDR12, SDR25, SDR50 modes (up to 100 MHz) (1.8V)
Note: Over full range of values specified in the Recommended Operating Conditions unless otherwise specified.
Table 21: SDIO timing requirements--- SDR12, SDR25, SDR50 modes (up to 100 MHz) (1.8V)
Symbol Parameter Condition Min. Typ. Max. Unit
fPP Clock Frequency SDR12/25/50 25 - 100 MHz
T
ISU
Input setup time SDR12/25/50 3 -- - ns
T
IH
Input Hold time SDR12/25/50 0.8 - - ns
T
CLK
Clock Time SDR12/25/50 10 - 40 ns
T
CR
, T
CF
Raise time, Fall time
T
CR
, T
CF
<2ns (max) at 100MHz
C
CARD
=10pF
SDR12/25/50 - - 0.2*T
CLK
ns
T
ODLY
Output delay time
C
L
≦30pF
SDR12/25/50 - - 7.5 ns
T
OH
Output hold time
C
L
=15pF
SDR12/25/50 1.5 - - ns