HBLXT9785HC.A4 Intel, HBLXT9785HC.A4 Datasheet - Page 171

• Manufacturer Part Number: HBLXT9785HC.A4
• Manufacturer: Intel

Specifications of HBLXT9785HC.A4

• Lead Free Status / RoHS Status: Not Compliant

Datasheet
Document Number: 249241
Revision Number: 010
Revision Date: 30-May-2006
Figure 37. Recommended Intel
Circuitry
1. Refer to the transceiver manufacturers’ recommendations for termination circuitry.
2. See
LXT9785(E)
GNDPECL
VCCPECL
SD_2P5V
TPFONn
TPFOPn
TPFINn
TPFIPn
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
Figure 38 on page 172
SDn
+2.5V
®
27Ω
50Ω
− 0.1μF
0.01μF
LXT9785/LXT9785E-to-5 V Fiber Transceiver Interface
+2.5V
+2.5V
2
3.3V
50Ω
− 0.1μF
0.01μF
127Ω
118Ω
ON Semiconductor*
for recommended logic translator interface circuitry.
PECL-to-LVPECL
Logic Translator
MC100LVEL92
0.01μF
0.01μF
127Ω
118Ω
0.01μF
0.01μF
1.15kΩ
3.1kΩ
270Ω
1.1kΩ
+5V
270Ω
3.1kΩ
TD +
Fiber Txcvr
TD -
RD +
RD -
SD
− 0.1μF
0.01μF
5V
1
171