lxt9781 Intel Corporation, lxt9781 Datasheet - Page 49

• Manufacturer Part Number: lxt9781
• Description: Fast Ethernet 10/100 Multi-port Transceiver With Rmii
• Manufacturer: Intel Corporation

Datasheet
1. Refer to fiber transceiver manufacturer’s recommendations for termination circuitry.
Example shown above is suitable for HFBR5900-series devices.
Figure 23. Typical Fiber Interface
LXT97x1
TPFOPn
TPFONn
SD/TPn
TPFINn
TPFIPn
82
GNDD
Fast Ethernet 10/100 Multi-Port Transceiver with RMII — LXT9761/9781
VCCD
+3.3V
50
130
130
82
VCCD
+3.3V
130
50
16
GNDD
82
GNDD
GNDD
0.1
0.1
VCCD
+3.3V
m
m
F
F
Fiber Txcvr
TD-
SD
TD+
RD-
RD+
1
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