LAN91C111 Datasheet, PDF (100/125 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY

LAN91C111
SYM
Parameter
TOIR
TP Output Current
Adjustment Range
MIN
0.80
0.86
TORA TP Output Current
TLVL Step Accuracy
TOR
TOC
TP Output
Resistance
TP Output
Capacitance
Limits
TYP
10K
15
Unit
MAX
1.2
1.16
+/-50 %
Ohm
pF
Conditions
VDD = 3.3V, Adjustable with RBIAS,
relative to TOIA with RBIAS=11K
VDD = 3.3V, Adjustable with LVL[3:0]
Relative to Value at TLVL[3:0]=1000
Relative to Ideal Values in Table 3.
Table 3 Values Relative to Output with
TLVL[3:0]=1000.
13.4 Twisted Pair Characteristics, Receive
Unless otherwise noted, all test conditions are as follows:
• Vcc = 3.3V +/-5%
• RBIAS = 11K +/- 1%, no load
• 62.5/10 Mhz Square Wave on TP inputs in 100/10 Mbps
SYM
Parameter
RST
TP Input Squelch
Threshold
RUT
TP Input Unsquelch
Threshold
TP Input Open Circuit
Voltage
RCMR TP Input Common
Mode Voltage Range
RDR
TP Input Differential
Voltage Range
RIR
TP Input Resistance
RIC
TP Input Capacitance
MIN
166
310
60
186
100
186
20
112
5K
Limits
TYP
MAX
500
540
200
324
300
324
90
194
VDD- 2.4
± 0.2
ROCV
± 0.25
VDD
10
Unit
Conditions
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
Volt
Volt
Volt
100 Mbps, RLVL=0
10 Mbps, RLVL=0
100 Mbps, RLVL=1
10 Mbps, RLVL=1
100 Mbps, RLVL=0
10 Mbps, RLVL=0
100 Mbps, RLVL=1
10 Mbps, RLVL=1
Voltage on Either TPI+ or TPI- with
Respect to GND.
Voltage on TPI± with Respect to
GND.
Ohm
pF
 2011-2016 Microchip Technology Inc.
DS00002276A-page 101