Philips Semiconductors
Enhanced coaxial Ethernet transceiver
Product specification
NE83Q93
RXI
tOS
tRHI
RX+
Figure 5. Receiver End–of–Packet Timing
tTST+2
tTST
100ns
tTOFF
TX+
TXO
1
2
3
tTON
4
5
67
8
9
tTD
10 11
90%
10%
1
23
45
67
89
10 11
tTF tRF
tTR tRR
Figure 6. Transmitter Timing
RXI
0V
–2V
CD+
tCON
tCOFF
tCHI
1/FCD
tCP
Figure 7. Collision Timing
TX+
CD+
tHON
tHW
Figure 8. Heartbeat Timing
SD00279
SD00305
SD00280
SD00281
1995 May 1
10