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80221 Datasheet(PDF) 58 Page - LSI Computer Systems

Part # 80221
Description  100BASE-TX/10BASE-T Ethernet Media Interface Adapter
PDF  91 Pages
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Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

80221 Datasheet(HTML) 58 Page - LSI Computer Systems

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80220/80221
MD400159/E
58
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
LIMIT
SYM
PARAMETER
MIN
TYP
MAX
UNIT
CONDITIONS
R
ST
TP Input Squelch
166
500
mV pk
100 Mbps, RLVL=0
Threshold
310
540
mV pk
10 Mbps, RLVL=0
60
200
mV pk
100 Mbps, RLVL=1
186
324
mV pk
10 Mbps, RLVL=1
R
UT
TP Input Unsquelch
100
300
mV pk
100 Mbps, RLVL=0
Threshold
186
324
mV pk
10 Mbps, RLVL=0
R
OCV
TP Input Open Circuit
V
CC ± 0.5
Volt
Voltage on Either TPI+ or TPI–
Voltage
with Respect to GND.
R
CMR
TP Input Common
R
OCV
Volt
Voltage on TPI
±
Mode Voltage Range
± 0.25
with Respect to GND.
R
DR
TP Input Differential
V
CC
Volt
Voltage Range
R
IR
TP Input Resistance
5K
Ohm
R
IC
TP Input Capacitance
10
pF
3



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