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MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR
®
Technology in a Small Footprint
Datasheet
SMSC LAN8710/LAN8710i 71 Revision 1.0 (04-15-09)
DATASHEET
Note 7.4 Measured at the line side of the transformer, line replaced by 100Ω (± 1%) resistor.
Note 7.5 Offset from 16 nS pulse width at 50% of pulse peak
Note 7.6 Measured differentially.
Table 7.10 Internal Pull-Up / Pull-Down Configurations
NAME PULL-UP OR PULL-DOWN
nINT/TXER/TXD4 Pull-up
TXEN Pull-down
RXD0/MODE0 Pull-up
RXD1/MODE1 Pull-up
RXD2/RMIISEL Pull-down
RXD3/PHYAD2 Pull-down
RXER/RXD4/PHYAD0 Pull-down
RXCLK/PHYAD1 Pull-down
COL/CRS_DV/MODE2 Pull-up
CRS Pull-down
LED1/REGOFF Pull-down
LED2/nINTSEL Pull-up
MDIO Pull-up
nRST Pull-up
Table 7.11 100Base-TX Transceiver Characteristics
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Peak Differential Output Voltage High V
PPH
950 - 1050 mVpk Note 7.4
Peak Differential Output Voltage Low V
PPL
-950 - -1050 mVpk Note 7.4
Signal Amplitude Symmetry V
SS
98 - 102 % Note 7.4
Signal Rise & Fall Time T
RF
3.0 - 5.0 nS Note 7.4
Rise & Fall Time Symmetry T
RFS
--0.5nSNote 7.4
Duty Cycle Distortion D
CD
35 50 65 % Note 7.5
Overshoot & Undershoot V
OS
--5%
Jitter 1.4 nS Note 7.6