16Gbps Multimode 100Meter SFP+ Transceiver

14.025Gbps Multimode 100Meter SFP+ Transceiver

Product Features

• Supports up to 14.025Gbps bit rates
• Hot-pluggable SFP+ footprint
• 850nm VCSEL laser and PIN photodiode, Up to 100m for OM3-MMF transmission
• Compliant with SFP+ MSA and SFF-8472 with duplex LC receptacle
• Compatible with RoHS
• Single +3.3V power supply
• Real Time Digital Diagnostic Monitoring
• Operating case temperature:

Standard:  0 to +70°C

Applications

• 25/8.5/14.025G Fibre channel

Description

The SFP+ transceivers are high performance, cost effective modules supporting data rate of 14.025 Gbps.

The transceiver consists of three sections: a VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

The transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions.

Transceiver functional diagram

Absolute Maximum Ratings

Recommended Operating Conditions

Optical and Electrical Characteristics

Notes:

1. The optical power is launched into MMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 2³¹-1 test pattern @14025Mbps, BER ≤1×10^-12.
4. Internally AC-coupled.

Timing and Electrical

Diagnostics

Digital Diagnostic Memory Map

The transceivers provide serial ID memory contents and diagnostic information about the present operating conditions by the 2-wire serial interface (SCL, SDA).

The diagnostic information with internal calibration or external calibration all are implemented, including received power monitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring.

The digital diagnostic memory map specific data field defines as following.

Pin Descriptions

Notes:

Plug Seq.: Pin engagement sequence during hot plugging.

1) TX Fault is an open collector output, which should be pulled up with a 4.7k~10kΩ resistor on the host board to a voltage between 2.0V and Vcc+0.3V. Logic 0 indicates normal operation; Logic 1 indicates a laser fault of some kind. In the low state, the output will be pulled to less than 0.8V.

2) Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.

3) LOS is open collector output.  Should be pulled up with 4.7k~10kΩ on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

4) RD-/+: These are the differential receiver outputs. They are internally AC-coupled 100 differential lines which should be terminated with 100Ω (differential) at the user SERDES.

5) TD-/+: These are the differential transmitter inputs. They are internally AC-coupled, differential lines with 100Ω differential termination inside the module.

Recommended Interface Circuit

Mechanical Dimensions

Ordering information