User's Manual

WizFi 210 User Manual (WIZnet Co., Ltd.)
5
(4) I/O Digital Specification (Tri-State)
Min Typ Max Unit
IO Supply Voltage 1.62/3 1.8/3.3 1.98/3.63
Input Low Voltage (V
IL
) -0.3 0.25V
DDIO
V
Input High Voltage (V
IH
) 0.8V
DDIO
V
DDIO
V
Schmitt trig. Low to High threshold
point (V
T+
)
1.5 V
Schmitt trig. High to Low threshold
point (V
T-
)
1 V
Pull-Up Resistor (R
u
)
0.05 1
MΩ
Pull-Down Resistor (R
d
)
0.05 1
V
Output Low Voltage (V
OL
)
0 0.4
V
Output High Voltage (V
OH
)
1.3 V
DDIO
ns
Output rise time @ 3.3V (t
ToLH
)
7 ns
Output fall time @ 3.3V (t
ToHL
)
7 ns
Input rise time (t
TiLH
)
7 ns
Input fall time (t
TiHL
)
7 ns
Table 5. I/O Digital Specification