78Q2123/78Q2133 MicroPHY™
10/100BASE-TX Transceiver
DIGITAL I/O CHARACTERISTICS:
Pins of type CI, CIU, CID, CIO:
PARAMETER
SYMBOL
Vil
Vih
Iil, Iih
Rpu
CONDITIONS
MIN
NOM
MAX
0.8
3.6
1
UNIT
V
V
µA
kΩ
pF
Input Voltage Low
Input Voltage High
Input Current
Pull-up Resistance
Input Capacitance
2.0
-1
38
Type CIU only
56
8
78
Cin
Pins of type CIS:
PARAMETER
SYMBOL
Vt+
Vt-
Iil, Iih
Cin
CONDITIONS
MIN
NOM
MAX
2.0
UNIT
V
V
µA
pF
mV
Low-to-High Threshold
High-to-Low Threshold
Input Current
Input Capacitance
Input Hystersis
0.8
-1
1
8
Vhy
125
Pins of type COZ:
PARAMETER
SYMBOL
CONDITIONS
Iol = 4mA
Ioh = -4mA
CL = 20pF
MIN
2.4
-1
NOM
MAX
0.4
UNIT
V
V
ns
µA
Output Voltage Low
Output Voltage High
Output Transition Time
Tristate Output Leakage
Current
Vol
Voh
Tt
6
1
Iz
Pins of type CO:
PARAMETER
SYMBOL
Vol
CONDITIONS
Iol = 4mA
Ioh = -4mA
CL = 20pF
MIN
NOM
MAX
0.4
UNIT
V
V
Output Voltage Low
Output Voltage High
Output Transition Time
Voh
Tt
2.4
6
ns
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© 2009 Teridian Semiconductor Corporation
Rev 1.5
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
