User's Manual

Laird SSD45N
Hardware Integration Guide, version 0.01
Symbol Parameter Conditions Min. Typ. Max. Unit
V
DD
V
OH
High Level Output Voltage
I
OH
= -4 mA
0.9 x
V
DD
- - V
I
OH
= -12 mA
0.9 x
V
DD
- - V
V
OL
Low Level Output Voltage
I
OH
= 4 mA
-
-
0.1 x V
DD
V
I
OH
= 12 mA - - 0.1 x V
DD
V
SDIO Timing Requirements
The following figure (Figure 1) and table display SDIO default mode timing.
Figure 1: SDIO Default Mode Timing
Note: Timing is based on CL ≤ 40 pF load on CMD and Data.
Table 4: SDIO Timing Requirements
Symbol Parameter Min. Typ. Max. Unit
fPP
Frequency – Data Transfer mode
0
-
50
MHz
tWL Clock low time 7 - - ns
Americas: [phone] Option 2
Europe: [phone]
Hong Kong: [phone] x026
www.lairdtech.com/wireless
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