10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
LIMIT
SYM
PARAMETER
UNIT
CONDITIONS
MIN
TYP
MAX
T
OIR
TP Output Current
Adjustment Range
0.80
1.2
V
= 3.3V, Adjustable with RBIAS,
DD
relative to T
with RBIAS=11K
OIA
0.86
1.16
V
DD
= 3.3V, Adjustable with LVL[3:0]
Relative to Value at TLVL[3:0]=1000
T
ORA
TP Output Current
TLVL Step Accuracy
+/-50
%
Relative to Ideal Values in Table 3.
Table 3 Values Relative to Output with
TLVL[3:0]=1000.
T
TP Output
Resistance
10K
15
Ohm
pF
OR
T
OC
TP Output
Capacitance
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
LIMIT
SYM
PARAMETER
UNIT
CONDITIONS
MIN
TYP
MAX
RST
TP Input Squelch
Threshold
166
310
60
500
540
200
324
300
324
90
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
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
186
100
186
20
RUT
TP Input Unsquelch
Threshold
112
194
TP Input Open Circuit
Voltage
VDD- 2.4
± 0.2
Voltage on Either TPI+ or TPI- with
Respect to GND.
R
R
TP Input Common
ROCV
± 0.25
Volt
Volt
Voltage on TPI± with Respect to
GND.
CMR
Mode Voltage Range
TP Input Differential
Voltage Range
VDD
DR
R
R
TP Input Resistance
TP Input Capacitance
5K
Ohm
pF
IR
10
IC
SMSC LAN91C111-REV B
123
Revision 1.8 (07-13-05)
DATASHEET
SMSC [ SMSC CORPORATION ]
