Datasheet

TX_CLK
TX_EN
TXD[3:0]
CRS/CRS_DV
RX_CLK
RX_DV
RXD[3:0]
T2.23.1
DP83640
www.ti.com SNOSAY8E –SEPTEMBER 2007–REVISED APRIL 2013
4.27 AC Specifications — 10 Mb/s Internal Loopback Timing
Parameter Description Notes Min Typ Max Units
T2.23.1 TX_EN to RX_DV Loopback 10 Mb/s internal loopback mode
(1)
2 µs
(1) Measurement is made from the first falling edge of TX_CLK after assertion of TX_EN.
Figure 4-23. 10 Mb/s Internal Loopback Timing
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