SFP 155M BIDI 1550TX/1310RX LC 20km LC
SFP 155M BIDI 20KM 1550TX/1310RX LC
General Description:
HTF’HTSF-B1M3155Lx Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the FP laser, and the PIN photo-detector. The module data link up to 20km in 9/125um single mode fiber. The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the system also can disable the module via I2C. Tx Fault is provided to indicate the degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal from receiver or the link status with partner. The system can also get the LOS (or link) or disable/Fault information via I2C register access.
Features:
- Up to 155 MB/s data links
- 1310nm FP laser transmitter and PIN photo-detector
- Up to 20km on 9/125µm SMF
- Hot-pluggable SFP footprint
- BIDI LC/UPC-type pluggable optical interface
- Low power dissipation
- Metal enclosure, for lower EMI
- RoHS-compliant and lead-free
- Support a Diagnostic Monitoring interface
- Single +3.3V power supply
- Compliant with SFF-8472
- Case operating temperature:
- Commercial: 0 ~ +70°C
- Extended: -10 ~ +80°C
- Industrial: -40 ~ +85°C
Applications:
- Switch to Switch Interface
- Fast Ethernet
- Switched Backplane Applications
- Router/Server Interface
- Other Optical Links
Recommended Operating Conditions and Power Supply Requirements:
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Operating Case Temperature | TOP | 0 | 70 | °C | Commercial | |
| -10 | 80 | °C | Extended | |||
| -40 | 85 | °C | Industrial | |||
| Power Supply Voltage | VCC | 3.135 | 3.3 | 3.465 | V | |
| Data Rate | 155 | Mb/s | ||||
| Control Input Voltage is high. | 2 | VCC | ||||
| Control Input Voltage is low. | 0 | 0.8 | V | |||
| Link Distance (SMF) | D | 20 | km | 9/125um |
Electrical Characteristics:
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Power Consumption | p | 0.86 | 0.95 | W | Commercial: 0.86W, Industrial: 0.95W | |
| Supply Current | Icc | 260 | 280 | mA | Commercial: 260 mA; Industrial: 280 mA | |
| Transmitter Single-ended Input Voltage Tolerance | VCC | -0.3 | 4.0 | V | ||
| Differential Input Voltage Swing | Vin,pp | 200 | 2400 | mVpp | ||
| Differential Input Impedance | Zin | 90 | 100 | 110 | Ohm | |
| Transmit Disable Assert Time | 5 | us | ||||
| Transmit Disable Voltage | Vdis | Vcc-1.3 | Vcc | V | ||
| Transmit Enable Voltage | Ven | Vee-0.3 | 0.8 | V | ||
| Receiver Differential Output Voltage Swing | Vout,pp | 500 | 900 | mVpp | ||
| Differential Output Impedance | Zout | 90 | 100 | 110 | Ohm | |
| Data output rise/fall time | Tr/Tf | 100 | ps | 20% to 80% | ||
| LOS Assert Voltage | VlosH | Vcc-1.3 | Vcc | V | ||
| LOS De-assert Voltage | VlosL | Vee-0.3 | 0.8 | V |
Optical Characteristics:
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Transmitter Center Wavelength | λC | 1260 | 1310 | 1360 | nm | |
| Spectrum Bandwidth (RMS) | σ | 3.5 | nm | |||
| Average Optical Power | PAVG | -15 | -7 | dBm | 1 | |
| Optical Extinction Ratio | ER | 8.2 | dB | |||
| Transmitter OFF Output Power | POff | -45 | dBm | |||
| Receiver Center Wavelength | λC | 1500 | 1550 | 1600 | nm | |
| Receiver Sensitivity (Average Power) | Sen. | -28 | dBm | 2 | ||
| Input Saturation Power (overload) | Psat | -8 | dBm | |||
| LOS Assert | LOSA | -44 | dB | 3 | ||
| LOS De-assert | LOSD | -29 | dBm | 3 | ||
| LOS Hysteresis | LOSH | 0.5 | 2 | 6 | dB |
Digital Diagnostic Functions:
The following digital diagnostic characteristics are defined over the Recommended Operating Environment, unless otherwise specified. It is compliant to SFF8472 Rev10.2 with internal calibration mode. For external calibration, please contact our sales staff.
| Parameter | Symbol | Min | Max | Unit | Notes |
|---|---|---|---|---|---|
| Temperature monitor: absolute error | DMI_Temp | -3 | 3 | degC | Over operating temperature |
| Supply voltage monitor absolute error | DMI_VCC | -0.15 | 0.15 | V | Full operating range |
| RX power monitor: absolute error | DMI_RX | -3 | 3 | dB | |
| The current monitor | DMI_bias | -10% | 10% | mA | |
| TX power monitor absolute error | DMI_TX | -3 | 3 | dB |
Financing
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