100G QSFP28 BIDI Tx1291nm/ Rx1311 nm
10km LC
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D-TECH
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Rs 2.00
100Gbps Bi-Directional Simplex LC QSFP28 Transceiver
QSFP28 100G BIDI Transceiver, Tx1291nm / Rx1311nm, designed for up to 20km transmission over single-mode fiber with low power consumption and integrated digital diagnostics.
Key Features
| No. | Feature |
|---|---|
| 1 | Lane signaling rate 106.25Gb/s with PAM4 |
| 2 | Up to 20km transmission on SMF |
| 3 | EML laser and PIN receiver |
| 4 | 4 × 25.78Gb/s NRZ electrical interface (CAUI-4) |
| 5 | Supports KP4 FEC inside the module |
| 6 | I2C interface with integrated digital diagnostics monitoring |
| 7 | QSFP28 MSA package with simplex LC connector |
| 8 | Single +3.3V power supply |
| 9 | Power consumption < 4W |
| 10 | Operating case temperature: 0°C to +70°C |
| 11 | Compliant with SFF-8636, SFF-8679, 100G Lambda MSA, and EU Directive 2015/863/EU |
Applications
| No. | Application |
|---|---|
| 1 | Data Center |
| 2 | 100GBASE-LR BIDI |
Ordering Information
| Data Rate | Laser | Fiber Type | Distance | Interface | Temp | DDMI | Latch Color | Variant |
|---|---|---|---|---|---|---|---|---|
| 106.25Gbps | Tx1291 / Rx1311 | SMF | 20km | LC | 0~70°C | Yes | Purple | A |
| 106.25Gbps | Tx1311 / Rx1291 | SMF | 20km | LC | 0~70°C | Yes | Red | B |
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Storage Temperature | TS | -40 | - | +85 | °C |
| Supply Voltage | VCC | -0.5 | - | +4.0 | V |
| Operating Relative Humidity | RH | - | - | 85 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Operating Case Temperature | TC | 0 | - | +70 | °C |
| Power Supply Voltage | VCC | 3.13 | 3.3 | 3.47 | V |
| Transmission Distance | TD | - | - | 20 | km |
Key Optical Characteristics
| Parameter | Specification |
|---|---|
| Transmitter Center Wavelength | 1291nm or 1311nm |
| Receiver Center Wavelength | 1311nm or 1291nm |
| Signaling Rate | 53.125 GBd |
| Average Launch Power | -0.2 to 6.6 dBm |
| TDECQ | 3.6 dB max |
| Side Mode Suppression Ratio | 30 dB min |
| Extinction Ratio | 3.5 dB min |
| Average Rx Power | -10 to 6.6 dBm |
| Receiver Sensitivity (OMA) | -7.6 dBm / (-9 + TDECQ) dBm |
| LOS Assert / De-Assert | -26 dBm / -10 dBm |
| Stressed Receiver Sensitivity | -5.4 dBm |
Electrical Characteristics
| Parameter | Specification |
|---|---|
| Input Differential Impedance | 100 Ohm |
| Differential Data Input Amplitude | 900 mVpp max |
| DC Common-Mode Input Voltage | -0.3 to 2.8 V |
| Output Differential Impedance | 100 Ohm |
| Differential Data Output Amplitude | 900 mVpp max |
| Transition Time | 10ps / 12ps typical |
Digital Diagnostics
| Parameter | Range | Accuracy | Calibration |
|---|---|---|---|
| Temperature | 0 to 70°C | ±3°C | Internal |
| Voltage | 0 to Vcc | ±3% | Internal |
| Tx Bias Current | 0 to 100mA | ±10% | Internal |
| Tx Output Power | -0.2 to 6.8 dB | ±3 dB | Internal |
| Rx Input Power | -10 to 6.6 dB | ±3 dB | Internal |
Communication Interface Timing
| Parameter | Symbol | Max. | Notes |
|---|---|---|---|
| Initialization Time | t_init | 10 s | Time from power on or hot plug until module is fully functional |
Main Pin Definitions
| Pin | Logic | Symbol | Description |
|---|---|---|---|
| 1 | - | GND | Ground |
| 8 | LVTTL-I | ModSelL | Module Select |
| 9 | LVTTL-I | ResetL | Module Reset |
| 11 | LVCMOS-I/O | SCL | 2-Wire Serial Interface Clock |
| 12 | LVCMOS-I/O | SDA | 2-Wire Serial Interface Data |
| 27 | LVTTL-O | ModPrsL | Module Present |
| 28 | LVTTL-O | IntL / Rx_LOS | Interrupt / Rx_LOS |
| 31 | LVTTL-I | LPMode / TxDIS | Low Power Mode / Tx Disable |
Part Number Information
| Part Number | Product Description |
|---|---|
| A | TX 1291nm, RX 1311nm, 100Gbps, 10km, Bi-Directional Simplex LC QSFP28 Transceiver, 0°C to +70°C, with DDM |
| B | TX 1311nm, RX 1291nm, 100Gbps, 10km, Bi-Directional Simplex LC QSFP28 Transceiver, 0°C to +70°C, with DDM |
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