20 km 1.25 GB/s  SFP Transceiver

Product description:

            Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They simultaneously comply with SONET OC-3 and SDH STM-1.They are RoHS compliant and lead-free.

Features:

• Single LC receptacle optical interface compliant

• Hot-pluggable SFP footprint

• 1310nm FP laser transmitter

• RoHS compliant and Lead Free

• Up to 20 km on 9/125um SMF

• Metal enclosure for lower EMI

• Single +3.3V power supply

• Low power dissipation <600mW

• Commercial operating temperature range: 0°C to +70°C

Applications:

• SONET OC-3/SDH STM-1

• Fast Ethernet

Pin Description:

Notes

1. Circuit ground is internally isolated from chassis ground. 

2. Laser output disabled on TX Disable >2.0V or open, enabled on TX Disable<0.8V.

3. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V. MOD_DEF(0) pulls line low to indicate module is plugged in.

4. LOS is LVTTL output. Should be pulled up with 4.7k – 10kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

 Towards 

Bezel

Towards 

ASIC

Pinout of Connector Block on Host Board

Absolute Maximum Ratings:

Electrical Characteristics (TOP=25°C, Vcc=3.3Volts)

                                  Receiver

Notes:

1. Non condensing. 

2. AC coupled.

3. Into 100 ohm differential termination.

4. 20 – 80 %

5. LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.

6. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and ΔDJ.

Optical Characteristics (TOP=25°C, Vcc=3.3 Volts)

                                    Receiver:

Notes: 

1. Class 1 Laser Safety.

2. Unfiltered, 20-80%.

3. Measured with DJ-free data input signal .In actual application, output DJ will be the sum of input DJ and ΔDJ

4. Measured with conformance signals defined in FC-PI-2 Rev. 10.0 specifications.

            23       -12

5. Measured with PRBS 2 -1 at 10 BER.

General Specifications:

Notes:

1. SONET OC-3 and SDH STM-1compliant.

2. Tested with a PRBS 2²³ -1 data pattern.

3. Dispersion limited per FC-PI-2 Rev. 10

4. Attenuation of 0.55 dB/km is used for the link length calculations. Please refer to the Optical Specifications in Table IV to calculate a more accurate link budget based on specific conditions in your application.

Environmental Specifications:

The Commercial Temperature BIDI SFP transceivers have an operating temperature range from 0°C to +70°C case temperature.

Mechanical Specifications:

The Small Form Factor Pluggable (SFP) transceivers are compatible with the dimensions defined by the SFP Multi-Sourcing Agreement (MSA).