80220 Datasheet, PDF (58/91 Pages) LSI Computer Systems – 100BASE-TX/10BASE-T Ethernet Media Interface Adapter

80220/80221
TWISTED PAIR CHARACTERISTICS, RECEIVE
Unless otherwise noted, all test conditions are as follows:
1. T_A= 0 to +70°C
2. V_CC = 5V +/-5%
3. 25 MHz +/- 0.01%
4. REXT = 10K +/- 1%, no load
5. 62.5/10 Mhz Square Wave on TP inputs in 100/10 Mbps
SYM
R
ST
PARAMETER
TP Input Squelch
Threshold
R_UT
R_OCV
R_CMR
R
DR
R
IR
R_IC
TP Input Unsquelch
Threshold
TP Input Open Circuit
Voltage
TP Input Common
Mode Voltage Range
TP Input Differential
Voltage Range
TP Input Resistance
TP Input Capacitance
LIMIT
MIN
TYP MAX
166
500
310
540
60
200
186
324
100
300
186
324
V_CC ± 0.5
3
R_OCV
± 0.25
V
CC
5K
10
UNIT
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
Volt
Volt
Volt
Ohm
pF
CONDITIONS
100 Mbps, RLVL=0
10 Mbps, RLVL=0
100 Mbps, RLVL=1
10 Mbps, RLVL=1
100 Mbps, RLVL=0
10 Mbps, RLVL=0
Voltage on Either TPI+ or TPI–
with Respect to GND.
Voltage on TPI±
with Respect to GND.
58
MD400159/E