LAN83C185 Datasheet, PDF (60/61 Pages) SMSC Corporation – HIGH PERFORMANCE SINGLE CHIP LOW POWER 10/100 ETHERNET PHYSICAL LAYER TRANSCEIVER

PIN NO.
17
19
20
46
High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Table 6.9 Internal Pull-Up / Pull-/Down Configurations (continued)
Datasheet
NAME
LINKON
ACTIVITY
FDUPLEX
nINT
PULL-UP OR PULL-DOWN
Pull-up
Pull-up
Pull-up
Pull-up
TYPE
30 uA
30 uA
30 uA
30 uA
Table 6.10 100Base-TX Transceiver Characteristics
PARAMETER
Peak Differential Output Voltage High
Peak Differential Output Voltage Low
Signal Amplitude Symmetry
Signal Rise & Fall Time
Rise & Fall Time Symmetry
Duty Cycle Distortion
Overshoot & Undershoot
Jitter
SYMBOL
V_PPH
V_PPL
V_SS
T_RF
T_RFS
D_CD
V_OS
MIN
950
-950
98
3.0
-
35
-
TYP
MAX
UNITS
-
1050
mVpk
-
-1050
mVpk
-
102
%
-
5.0
nS
-
0.5
nS
50
65
%
-
5
%
1.4
nS
NOTES
Note 6.1
Note 6.1
Note 6.1
Note 6.1
Note 6.1
Note 6.2
Note 6.3
Note 6.1 Measured at the line side of the transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 6.2 Offset from16 nS pulse width at 50% of pulse peak
Note 6.3 Measured differentially.
Table 6.11 10BASE-T Transceiver Characteristics
PARAMETER
SYMBOL MIN
Transmitter Peak Differential Output Voltage
V_OUT
2.2
Receiver Differential Squelch Threshold
V_DS
300
TYP
2.5
420
MAX
2.8
585
UNITS
V
mV
Note 6.4 Min/max voltages guaranteed as measured with 100Ω resistive load.
NOTES
Note 6.4
Rev. 0.8 (11-16-04)
60
DATASHEET
SMSC LAN83C185