User's Manual

Product Brief – Airborne SDIO/SPI 802.11b/g Radio Quatech, Inc.
846-8310-240 June 2010 20
Table 14 - SDIO Protocol Timing Values
Symbol
Parameter
Condition
Min
Typ
Max
Units
f
PP
Clock Frequency
Normal
0
25
MHz
High Speed
0
50
MHz
T
WL
Clock Low
Normal
10
ns
High Speed
7
ns
T
WH
Clock High
Normal
10
ns
High Speed
7
ns
T
ISU
Input Setup Time
Normal
5
ns
High Speed
6
ns
T
IH
Input Hold Time
Normal
5
ns
High Speed
2
ns
T
ODLY
Output Delay Time
0
14
ns
T
OH
Output Hold Time
High Speed
2.5
ns