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| TLK100_11 Datasheet, PDF (76/88 Pages) Texas Instruments – Industrial Temp, Single Port 10/100 Mb/s Ethernet Physical Layer Transceiver | |||
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TLK100
SLLS931B â AUGUST 2009 â REVISED DECEMBER 2009
Table 9-11. 10 Mb/s MII Transmit Timing
PARAMETER
t1
TX_CLK Low Time
t2
TX_CLK High Time
t3
TXD[3:0], TX_EN Data Setup to TX_CLK â
t4
TXD[3:0], TX_EN Data Hold from TX_CLK â
TEST CONDITIONS
10 Mb/s MII mode
10 Mb/s MII mode
10 Mb/s MII mode
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MIN TYP MAX UNIT
190
200 210 ns
25
ns
0
ns
t1
t2
TX_CLK
TXD[3:0]
TX_EN
t3
t4
Valid Data
Figure 9-11. 10 Mb/s MII Transmit Timing
T0348-01
Table 9-12. 10Mb/s MII Receive Timing
PARAMETER (1)
TEST CONDITIONS
MIN TYP MAX UNIT
t1
RX_CLK High Time
t2
RX_CLK Low Time
t3
RX_CLK rising edge delay from RXD[3:0], RX_DV Valid
10 Mb/s MII mode
t4
RX_CLK to RXD[3:0], RX_DV Delay
10 Mb/s MII mode
160 200 240 ns
100
ns
100
ns
(1) RX_CLK may be held low for a longer period of time during transition between reference and recovered clocks. Minimum high and low
times will not be violated.
t1
t2
RX_CLK
RXD[3:0]
RX_DV
t3
t4
Valid Data
Figure 9-12. 10Mb/s MII Receive Timing
T0349-01
76
Electrical Specifications
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