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| TLK100_11 Datasheet, PDF (78/88 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
www.ti.com
Table 9-15. 10BASE-T Receive Timing (Start of Packet)
PARAMETER
TEST CONDITIONS
MIN
t1
Carrier Sense Turn On Delay (PMD Input Pair to MII_CRS)
t2
RX_DV Latency(1)
t3
Receive Data Latency
Measurement shown from
SFD
(1) 10BASE-T RX_DV Latency is measured from first bit of decoded SFD on the wire to the assertion of RX_DV
TYP MAX UNIT
550 1000 ns
9.3
bits
14
bits
1st SFD Bit Decoded
10 10 10 10 10 11
TPRD
t1
CRS
RX_CLK
t2
RX_DV
t3
RXD[3:0]
0000
Preamble
SFD
Data
T0354-01
Figure 9-15. 10BASE-T Receive Timing (Start of Packet)
Table 9-16. 10BASE-T Receive Timing (End of Packet)
PARAMETER
t1
Carrier Sense Turn Off Delay
TEST CONDITIONS
MIN TYP MAX UNIT
1.3
μs
1
0
1
IDLE
PMD Input Pair
RX_CLK
t1
CRS
Figure 9-16. 10BASE-T Receive Timing (End of Packet)
78
Electrical Specifications
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