SLXT973QC Cortina Systems Inc, SLXT973QC Datasheet - Page 48

• Manufacturer Part Number: SLXT973QC
• Manufacturer: Cortina Systems Inc

Specifications of SLXT973QC

• Lead Free Status / Rohs Status: Not Compliant

LXT973 Transceiver
Datasheet
249426, Revision 6.0
13 July 2007
Figure 14
Cortina Systems
Recommended LXT973 Transceiver Transceiver-to-3.3 V Fiber Transceiver
Interface Circuitry
®
LXT973 10/100 Mbps Dual-Port Fast Ethernet PHY Transceiver
1. Refer to the transceiver manufacturers’ recommendations for termination circuitry.
GNDPECL
VCCPECL
LXT973
SD_2P5V
DPANn
DPBNn
DPAPn
DPBPn
SDn
+2.5 V
50 Ω
27 Ω
+2.5 V
50 Ω
0.01 mF -
0.1 mF
3.3 V
0.01 μF
0.01 μF F
0.01 μF -
+3.3 V
0.1 μF
130 Ω
82 Ω
+3.3 V
130 Ω
2 kΩ
1.4 kΩ
130 Ω
1.3 kΩ
2 kΩ
4.2 Typical Application Circuits
Fiber Txcvr
TD -
TD +
SD
RD -
RD +
3.3 V
1
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