User's Manual

SU60-SIPT
Datasheet
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
23
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Symbol Parameter Condition Min. Typ. Max. Unit
T WL Clock low time
Default Speed
High-Speed
10
7
-
-
-
-
ns
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, SDR50 Mode (up to 100MHz) (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
f PP 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