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Data Sheet

LU6612

July 2000

FASTCAT Single-FET for 10Base-T/100Base-TX

Lucent Technologies Inc.

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Table 28. Serial 10 Mbits/s Timing for TX_EN, TX/TY, CRS, and RX_CLK ...........................................................28

Table 29. Serial 10 Mbits/s Timing for TX_EN, RX/RY, and COL........................................................................... 29

Table 30. Serial 10 Mbits/s Timing for RX_CLK, CRS, RXD, TX_CLK, TX_EN, and TXD (25 pF Load) ............... 30

Table 31. Serial 10 Mbits/s Timing for RX_CLK and TX_CLK (25 pF Load)..........................................................31

Table 32. 100 Mbits/s MII Transmit Timing............................................................................................................. 32

Table 33. 100 Mbits/s MII Receive Timing ............................................................................................................. 33

List of Figures

Figures

Page

Figure 1. Functional Block Diagram: Device Overview ............................................................................................ 4

Figure 2. Functional Block Diagram: Device Detail .................................................................................................. 5

Figure 3. Typical Twisted-Pair (TP) Interface ........................................................................................................... 6

Figure 4. Onboard Universal Twisted-Pair Interface Circuit to Interchange Lucent and Quality

Semiconductor Inc. Parts .......................................................................................................................... 7

Figure 5. LU6612 Pinout........................................................................................................................................... 8

Figure 6. MDIO Input Timing .................................................................................................................................. 25

Figure 7. MDIO Output Timing ............................................................................................................................... 25

Figure 8. MDIO During TA (Turnaround) of a Read Transaction ........................................................................... 25

Figure 9. MII Timing Requirements for LU6612 ..................................................................................................... 27

Figure 10. Serial 10 Mbits/s Timing for RX/RY, CRS, and RX_CLK ...................................................................... 28

Figure 11. Serial 10 Mbits/s Timing for TX_EN, TX/TY, CRS, and RX_CLK.......................................................... 28

Figure 12. Serial 10 Mbits/s Timing for TX_EN, RX/RY, and COL ......................................................................... 29

Figure 13. Serial 10 Mbits/s Timing for RX_CLK, CRS, RXD, TX_CLK, TX_EN, and TXD ................................... 30

Figure 14. Serial 10 Mbits/s Timing Diagram for RX_CLK and TX_CLK................................................................31

Figure 15. 100 Mbits/s MII Transmit Timing ........................................................................................................... 32

Figure 16. 100 Mbits/s MII Receive Timing ............................................................................................................ 33