FLLXT971A Intel, FLLXT971A Datasheet - Page 53

• Manufacturer Part Number: FLLXT971A
• Description: 3.3V Dual Speed Fast Ethernet PHY Transceicer
• Manufacturer: Intel

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Datasheet
Document #: 249414
Revision #: 002
Rev. Date: August 7, 2002
Figure 25. Typical LXT971A-to-3.3 V Fiber Transceiver Interface Circuitry
1. Refer to the transceiver manufacturer’s recommendations for termination circuitry.
LXT971A
TPFON
TPFOP
SD/TP
TPFIN
TPFIP
+3.3V
− 0.1µ F
0.01µF
16Ω
50Ω
+3.3V
+3.3V
LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
0.01µF − 0.1µ F
50Ω
130Ω
82Ω
130 Ω
82Ω
+3.3V
130Ω
82Ω
TD +
Fiber Txcvr
TD -
RD -
RD +
SD
1
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