LAN83C183 Datasheet, PDF (86/113 Pages) SMSC Corporation – FAST ETHERNET PHYSICAL LAYER DEVICE

Table 5.4 shows the twisted-pair characteristics for receive operation.
Table 5.4 Twisted Pair Characteristics (Receive )
Limit
Sym
Parameter
Min
Typ
Max Unit
Conditions
RST TP Input Squelch Threshold 166
310
60
186
RUT TP Input Unsquelch
100
Threshold
186
20
112
ROCV TP Input Open Circuit
Voltage
VDD − 2.4
± 0.2
RCMR TP Input Common Mode
Voltage Range
ROCV ±
0.25
RDR
TP Input Differential Voltage
Range
RIR
TP Input Resistance
5K
RIC
TP Input Capacitance
10
500 mV pk 100 Mbits/s, RLVL0 = 0
540 mV pk 10 Mbits/s, RLVL0 = 0
200 mV pk 100 Mbits/s, RLVL0 = 1
324 mV pk 10 Mbits/s, RLVL0 = 1
300 mV pk 100 Mbits/s, RLVL0 = 0
324 mV pk 10 Mbits/s, RLVL0 = 0
90 mV pk 100 Mbits/s, RLVL0 = 1
194 mV pk 10 Mbits/s, RLVL0 = 1
Volt Voltage on either TPI+ or TPI− with
respect to GND.
Volt Voltage on TPI± with respect to
GND.
VDD Volt
Ohm
pF
SMSC DS – LAN83C183
86
Rev. 12/14/2000