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DJLXT971ALCA4 Datasheet(PDF) 50 Page - Intel Corporation |
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DJLXT971ALCA4 Datasheet(HTML) 50 Page - Intel Corporation |
50 / 90 page LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver 50 Datasheet Document #: 249414 Revision #: 002 Rev. Date: August 7, 2002 Figure 23. Typical Twisted-Pair Interface - NIC TPFIP TPFIN * = 0.001 µF / 2.0 kV 1:1 LXT971A 1:1 1 TPFOP TPFON VCCA GND 0.1 µF .01 µF 2 270 pF 5% 270 pF 5% 0.01 µF 50 Ω 1% 50 Ω 1% ** 3 SD/TP 6 3 8 7 5 4 1 2 50 Ω 50 Ω 50 Ω RJ-45 50 Ω 50 Ω 50 Ω 4 0.1 µF 1. Center-tap current may be supplied from 3.3 V VCCA as shown. Additional power savings may be realized by supplying the center-tap from a 2.5 V current source. A separate ferrite bead (rated at 50 mA) should be used to supply center-tap current. 2. The 100 Ω transmit load termination resistor typically required is integrated in the LXT971A. 3. Magnetics without a receive pair center-tap do not require a 2 kV termination. 4. RJ-45 connections shown for standard NIC. TX/RX crossover may be required for repeater and switch applications. |
Similar Part No. - DJLXT971ALCA4 |
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Similar Description - DJLXT971ALCA4 |
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