DP83849I Datasheet, PDF (93/106 Pages) National Semiconductor (TI) – DP83849I PHYTER DUAL Industrial Temperature with Flexible Port Switching Dual Port 10/100 Mb/s Ethernet Physical Layer Transceiver

8.2.13 10 Mb/s Serial Mode Transmit Timing
TX_CLK
TXD[0]
TX_EN
T2.13.1
T2.13.2
T2.13.3
T2.13.4
Valid Data
Parameter
Description
T2.13.1
TX_CLK High Time
T2.13.2
TX_CLK Low Time
T2.13.3
TXD_0, TX_EN Data Setup to TX_CLK rise
T2.13.4
TXD_0, TX_EN Data Hold from TX_CLK rise
Notes
10 Mb/s Serial mode
10 Mb/s Serial mode
10 Mb/s Serial mode
10 Mb/s Serial mode
Min Typ Max Units
20 25 30 ns
70 75 80 ns
25
ns
0
ns
8.2.14 10 Mb/s Serial Mode Receive Timing
RX_CLK
RXD[0]
RX_DV
T2.14.1
T2.14.1
T2.14.2
Valid Data
Parameter
Description
T2.14.1
RX_CLK High/Low Time
T2.14.2
RX_CLK fall to RXD_0, RX_DV Delay
Notes
10 Mb/s Serial mode
Min Typ Max Units
35 50 65 ns
-10
10 ns
Note: RX_CLK may be held high for a longer period of time during transition between reference and recovered clocks.
Minimum high and low times will not be violated.
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