Product Description
Features
◆ Hot Pluggable QSFP28 form factor
◆ Supports 101.3Gb/s aggregate bit rate
◆ Maximum link length of 70m on OM3 MMF and 100m on OM4 MMF
◆ Single MPO-12 receptacle
◆ Power dissipation: <2.5 W
◆ Single 3.3V power supply
◆ 4x25Gb/s 850nm VCSEL and PIN array
◆ RoHS 6 compliant
◆ Commercial case temperature range of 0°C to 70°C
Applications
◆ 100GBASE-SR4 100G Ethernet
Specification
Absolute Maximum Ratings |
Parameter | Symbol | Min | Max | Unit |
Storage Ambient Temperature | TSTG | -40 | 85 | ℃ |
Relative Humidity(Non-condensing) | HS | 5 | 90 | % |
Power Supply Voltage | VCC | -0.3 | +3.6 | V |
Input Voltage | VIN | -0.3 | VCC+0.3 | V |
Damaged Threshold,per Lane | DT | 3.0 |
| dBm |
Recommended Operating Conditions |
Parameter | Symbol | Min | Typical | Max | Unit |
Operating Case Temperature | TC | 0 |
| 70 | ℃ |
Operating Humidity | Rh | 5 |
| 85 | % |
Data Rate,per Lane | DR |
| 25.78125 |
| Gbps |
Power Consumption | PW |
|
| 2.5 | W |
Electrical Characteristics |
Parameter | Symbol | Min | Typical | Max | Unit | Notes |
Power Supply Voltage | VCC | 3.13 | 3.3 | 3.47 | V |
|
Power Supply Current | ICC |
|
| 750 | mA |
|
Transmitter |
|
|
|
|
|
|
Differential input impedance | Rin |
| 100 |
| Ω |
|
Differential data input swing | Vin,pp | 180 |
| 1000 | mV |
|
Single ended input voltage tolerance | VinT | -0.3 |
| 4.0 | V |
|
Receiver |
|
|
|
|
|
|
Differential data output swing | Vout,pp | 300 |
| 850 | mV |
|
Single-ended output voltage |
| -0.3 |
| 4.0 | V |
|
Optical Transmitter Characteristics |
Parameter | Symbol | Min | Typical | Max | Unit | Notes |
Center Wavelength | λout | 840 | 850 | 860 | nm |
|
Average Launch Power each lane | Pout | -8.4 |
| 2.4 | dBm |
|
Optical Power OMA, each Lane | POMA | -6.4 |
| 3 | dBm |
|
Transmitter and dispersion eye closure(TDEC),each lane | TDEC |
|
| 4.3 | dB |
|
Spectral Width (RMS) | σ |
|
| 0.6 | nm |
|
Optical Extinction Ratio | ER | 2.0 |
|
| dB |
|
Transmitter and Dispersion Penalty each lane | TDP |
|
| 3.5 | dB |
|
Optical Return Loss Tolerance | ORL |
|
| 12 | dB |
|
Average launch power of OFF transmitter, per lane |
|
|
| -30 | dBm |
|
Transmitter eye mask definition{X1,X2,X3,Y1,Y2,Y3} | {0.3, 0.38, 0.45, 0.35, 0.41, 0.5} | 1 |
Optical Receiver Characteristics |
Parameter | Symbol | Min | Typical | Max | Unit | Notes |
Receiver Wavelength | λin | 840 |
| 860 | nm |
|
Average Receive Power per Lane | RXPx | -10.3 |
| 2.4 | dBm |
|
Stressed Receiver Sensitivity in OMA | SRS |
|
| -5.2 | dBm | 1 |
LOS Assert | LOSA | -30 |
|
| dBm |
|
LOS De-Assert | LOSD |
|
| -13 | dBm |
|
LOS Hysteresis |
| 0.5 |
|
| dB |
|
Receiver Reflectance | Rfl |
|
| -12 | dB |
|
Notes:
1. Measured with a PRBS 231-1 test pattern, @25.78125Gb/s, BER<5E-5.
Digital Diagnostic Monitoring Information
Parameter | Accuracy | Calibration | Note |
Temperature | ±3°C | Internal | 0~70℃ |
Voltage | ±3% | Internal | 3.1~3.5V |
Bias Current | ±10% | Internal | Specified by normal value |
TX Power | ±3dB | Internal | -8.4~2.4dBm |
RX Power | ±3dB | Internal | -10.3~2.4dBm |
Ordering information
Part. No |
| Specifications |
Pack | Rate* (Gbps) | Po (dBm) | RX | Sen* (dBm) | Temp (℃) | Reach (m) | Pull tap Color | DDM |
HD-QSFP28/100G-SR4 | QSFP28 | 4*25.78 | -8.4~2.4 | PIN | <-10.3 | 0~+70 | 100 | Beige | Y |
*Note:
1.Measured with a PRBS 231-1 test pattern, @25.78125Gb/s, BER<5E-5. 2.Receiver sensitivity in OM
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