HBLXT9785HE Cortina Systems Inc, HBLXT9785HE Datasheet - Page 167

• Manufacturer Part Number: HBLXT9785HE
• Manufacturer: Cortina Systems Inc

Specifications of HBLXT9785HE

• Lead Free Status / RoHS Status: Not Compliant

LXT9785/LXT9785E
Datasheet
249241, Revision 11.0
16 April 2007
Figure 36
Cortina Systems
Recommended LXT9785/LXT9785E-to-3.3 V Fiber Transceiver Interface
Circuitry
®
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
1. Refer to the transceiver manufacturers’ recommendations for termination circuitry.
LXT9785(E)
GNDPECL
VCCPECL
SD_2P5V
TPFONn
TPFOPn
TPFINn
TPFIPn
SDn
+2.5V
27Ω
50Ω
+2.5V
0.01μF
− 0.1μF
50Ω
3.3V
0.01 μF
0.01 μF
− 0.1μF
+3.3V
0.01μF
130Ω
82Ω
+3.3V
130Ω
1.4kΩ
2kΩ
130Ω
1.3kΩ
2kΩ
5.3 Typical Application Circuits
Fiber Txcvr
TD -
TD +
SD
RD -
RD +
3.3V
1
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