參數(shù)資料
型號： LU3X54FT
廠商： Lineage Power
英文描述： Quad-FET (Fast Ethernet Transceiver) for 10Base-T/100Base-TX/FX(應(yīng)用于10基數(shù)-T和100基數(shù)-TX/FX的四快速以太網(wǎng)收發(fā)器)
中文描述： 四場效應(yīng)管（快速以太網(wǎng)收發(fā)器）的10Base-T/100Base-TX/FX（應(yīng)用于10基數(shù)- T的和100基數(shù)-TX/FX的四快速以太網(wǎng)收發(fā)器）
文件頁數(shù)： 3/54頁
文件大?。?/td> 677K
代理商： LU3X54FT
Lucent Technologies Inc.
3
Data Sheet
July 2000
LU3X54FT
QUAD-FET for 10Base-T/100Base-TX/FX
Table of Contents
Tables
Page
Table 19. MR28—Device-Specific Register 1 (Status Register) Bit Descriptions...................................................36
Table 20. MR29—Device-Specific Register 2 (100 Mbits/s Control) Bit Descriptions............................................37
Table 21. MR30—Device-Specific Register 3 (10 Mbits/s Control) Bit Descriptions..............................................38
Table 22. MR31—Device-Specific Register 4 (Quick Status) Bit Descriptions.......................................................39
Table 23. Output Pins.............................................................................................................................................40
Table 24. LU3X54FT Modes...................................................................................................................................40
Table 25 . Absolute Maximum Ratings...................................................................................................................41
Table 26 . Operating Conditions.............................................................................................................................41
Table 27. dc Characteristics ...................................................................................................................................41
Table 28. Thermal Characteristics..........................................................................................................................42
Table 29. MII Management Interface Timing (25 pF Load).....................................................................................43
Table 30. MII Data Timing (25 pF Load).................................................................................................................44
Table 31. Serial 10 Mbits/s Timing for TPIN, CRS, and RX_CLK...........................................................................46
Table 32. Serial 10 Mbits/s Timing for TX_EN, TPOUT, CRS, and RX_CLK..........................................................46
Table 33. Serial 10 Mbits/s Timing for TX_EN, TPIN, and COL.............................................................................47
Table 34. Serial 10 Mbits/s Timing for RX_CLK, CRS, RXD, TX_CLK, TX_EN, and TXD (25 pF Load)................48
Table 35. Serial 10 Mbits/s Timing for RX_CLK and TX_CLK (25 pF Load)..........................................................49
Table 36. 100 Mbits/s MII Transmit Timing.............................................................................................................50
Table 37. 100 Mbits/s MII Receive Timing..............................................................................................................51
Figures
Figure 1. LU3X54FT Device Overview.....................................................................................................................7
Figure 2. LU3X54FT Single-Channel Detail Functions ............................................................................................8
Figure 3. Typical Single-Channel Twisted-Pair (TP) Interface ..................................................................................9
Figure 4. Typical Single-Channel Fiber-Optic Interface..........................................................................................10
Figure 5. Smart 10/100 Mbits/s Bused MII Mode...................................................................................................11
Figure 6. Separate 10/100 Mbits/s Bused MII Mode..............................................................................................12
Figure 7. LU3X54FT Pinout for Normal MII Mode..................................................................................................13
Figure 8. LU3X54FT Pinout for Bused MII Mode...................................................................................................14
Figure 9. Thermal Characteristics..........................................................................................................................42
Figure 10. MDIO Input Timing................................................................................................................................43
Figure 11. MDIO Output Timing.............................................................................................................................43
Figure 12. MDIO During TA (Turnaround) of a Read Transaction ..........................................................................43
Figure 13. MII Timing Requirements for LU3X54FT ..............................................................................................45
Figure 14. Serial 10 Mbits/s Timing for TPIN, CRS, and RX_CLK.........................................................................46
Figure 15. Serial 10 Mbits/s Timing for TX_EN, TPOUT, CRS, and RX_CLK........................................................46
Figure 16. Serial 10 Mbits/s Timing for TX_EN, TPIN, and COL ...........................................................................47
Figure 17. Serial 10 Mbits/s Timing for RX_CLK, CRS, RXD, TX_CLK, TX_EN, and TXD ...................................48
Figure 18. Serial 10 Mbits/s Timing Diagram for RX_CLK and TX_CLK ...............................................................49
Figure 19. 100 Mbits/s MII Transmit Timing ...........................................................................................................50
Figure 20. 100 Mbits/s MII Receive Timing............................................................................................................51
Page
(continued)
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