LAN8810I-AKZE Datasheet, PDF (86/100 Pages) Microchip Technology – GMII 10/100/1000 Ethernet Transceiver with HP Auto-MDIX Support

GMII 10/100/1000 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
Note 5.12 XI can optionally be driven from a 25MHz single-ended clock oscillator.
Table 5.8 1000BASE-T Transceiver Characteristics
PARAMETER
Peak Differential Output Voltage
Signal Amplitude Symmetry
Signal Scaling
Output Droop
Transmission Distortion
SYMBOL
V_OP
V_SS
V_SC
V_OD
MIN
670
73.1
TYP
MAX
820
1
2
10
UNITS
mV
%
%
%
mV
NOTES
Note 5.13
Note 5.13
Note 5.14
Note 5.13
Note 5.15
Note 5.13 IEEE 802.ab Test Mode 1
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
V_PPH
V_PPL
V_SS
T_RF
T_RFS
D_CD
V_OS
MIN
950
-950
98
3.0
-
35
-
TYP
MAX
-
1050
-
-1050
-
102
-
5.0
-
0.5
50
65
-
5
1.4
UNITS
mVpk
mVpk
%
nS
nS
%
%
nS
NOTES
Note 5.16
Note 5.16
Note 5.16
Note 5.16
Note 5.16
Note 5.17
Note 5.18
Note 5.16 Measured at line side of transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 5.17 Offset from 16nS pulse width at 50% of pulse peak.
Note 5.18 Measured differentially.
Table 5.10 10BASE-T Transceiver Characteristics
PARAMETER
SYMBOL MIN
Transmitter Peak Differential Output Voltage
V_OUT
2.2
Receiver Differential Squelch Threshold
V_DS
300
TYP
MAX
2.5
2.8
420
585
UNITS
V
mV
NOTES
Note 5.19
Note 5.19 Min/max voltages guaranteed as measured with 100Ω resistive load.
Revision 1.0 (02-06-13)
86
DATASHEET
SMSC LAN8810/LAN8810i