LAN8810 Datasheet, PDF (64/83 Pages) Microchip Technology – GMII 10/100/1000 Ethernet Transceiver

LAN8810/LAN8810I
Note 5-14 From 1/2 of average V_OP, Test Mode 1
Note 5-15 IEEE 802.ab distortion processing
TABLE 5-9: 100BASE-TX TRANSCEIVER CHARACTERISTICS
Parameter
Peak Differential Output Voltage High
Peak Differential Output Voltage Low
Signal Amplitude Symmetry
Signal Rise and Fall Time
Rise and Fall Symmetry
Duty Cycle Distortion
Overshoot and Undershoot
Jitter
Symbol Min
Typ
V_PPH
950
-
V_PPL
-950
-
V_SS
98
-
T_RF
3.0
-
T_RFS
-
-
D_CD
35
50
V_OS
-
-
max
1050
-1050
102
5.0
0.5
65
5
1.4
units
mVpk
mVpk
%
nS
nS
%
%
nS
notes
Note 5-10
Note 5-10
Note 5-10
Note 5-10
Note 5-10
Note 5-11
Note 5-12
Note 5-16
Note 5-17
Note 5-18
Measured at line side of transformer, line replaced by 100 (+/- 1%) resistor.
Offset from 16nS pulse width at 50% of pulse peak.
Measured differentially.
TABLE 5-10: 10BASE-T TRANSCEIVER CHARACTERISTICS
Parameter
Symbol Min
Typ
Max
Transmitter Peak Differential Output Voltage
V_OUT
2.2
2.5
2.8
Receiver Differential Squelch Threshold
V_DS
300
420
585
Note 5-19 Min/max voltages guaranteed as measured with 100 resistive load.
Units
V
mV
Notes
Note 5-13
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DS00001870B-page 64