TXN311110100000 Intel, TXN311110100000 Datasheet - Page 15
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TXN311110100000
Manufacturer Part Number
TXN311110100000
Description
TXRX OPT SFP 1.25GBPS 850NM
Manufacturer
Intel
Datasheet
1.TXN31111D100000.pdf
(31 pages)
Specifications of TXN311110100000
Data Rate
2.5Gbps
Wavelength
850nm
Applications
Ethernet
Voltage - Supply
2.97 V ~ 3.63 V
Connector Type
LC Duplex
Mounting Type
SFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
871312
4.2
Figure 2.
Datasheet
CML Termination
Figure 2
receiver output. The TXN31111 Optical Transceiver has built in AC-coupling capacitors, which
help prevent a direct current path from the TXN31111 Optical Transceiver power supply to the
SerDes input. (A direct current path could damage the ESD diodes on the SerDes.)
Circuit Diagram for CML Termination on Receiver Output
•
•
3.3 V
Internal termination. For the TXN31111 Optical Transceiver receiver output, the SerDes
interface provides an internal termination resistor.
External termination. For the proper external termination of the SerDes interface, refer to the
SerDes specification.
shows a circuit diagram for the CML termination for the TXN31111 Optical Transceiver
50 Ω
Receiver Output
Intel
®
TXN31111 Tri-Rate 850 nm Optical Transceiver
Order Number: 280049, Revision: 006
AC-coupling
capacitor
Intel
®
TXN31111 Tri-Rate 850 nm Optical Transceiver
100 Ω
SerDes Input
B3243-02
20-Sept-2006
15