Product Features
● 1490/ 1550 DFB Laser Diode with MQW Structure
● InGaAs PIN-TIA Photodiode Receiver
● Reach 80 km Transmission Distance on 9/125μm SMF
● Single Mode Transceiver SFP Footprint LC Optical Interface
● Compliant With SFP MSA and SFF-8472
● Digital Diagnostic Monitoring Interface
● Single +3.3V Power Supply
● CML Differential Inputs and Outputs
● LVTTL Signal Detection Output
● Compliant With IEEE802.3
● Compliant With RoHS and Lead Free
● Metal Enclosure for Lower EMI
● Operating Case Temperature:
Standard: 0 to +70°C
Extend: -20 to +85°C
Industrial: -40 to +85°C
Product Applications
● Gigabit Ethernet
● Fiber Channel
● ATM/SONET/SDH/Switch/Router
● Other Optical Transmission Systems
Absolute MaximumRatings
| Parameter | Symbol | Min | Max | Unit | |
| StorageTemperature | Tst | -40 | +85 | °C | |
| OperatingTemperature | TO | BYCS-Bxx12-80D | 0 | +70 | °C |
| BYCS-Bxx12-80DE | -20 | +85 | °C | ||
| BYCS-Bxx12-80DI | -40 | +85 | °C | ||
| InputVoltage | – | GND | VCC | V | |
| Power Supply Voltage | VCC-VEE | 0 | +3.6 | V | |
Recommended OperatingConditions
| Parameter | Symbol | Min | Typ | Max | Unit | |
| StorageTemperature | Tst | -40 | – | +85 | °C | |
| OperatingCaseTemperature | TC | BYCS-Bxx12-80D | 0 | – | +70 | °C |
| BYCS-Bxx12-80DE | -20 | – | +85 | °C | ||
| BYCS-Bxx12-80DI | -40 | – | +85 | °C | ||
| PowerSupplyVoltage | VCC | 3.1 | 3.3 | 3.5 | V | |
| PowerSupplyCurrent | ICC | – | – | 300 | mA | |
| DataRate | DR | – | 1.25 | – | Gbps | |
OpticalSpecification
| Transmitter | |||||||
| Paramet | Symbol | Min | Typ | Max | Unit | Note | |
| Center Wavelength | 1490 DFB | λC | 1480 | 1490 | 1500 | nm | |
| 1550 DFB | 1530 | 1550 | 1580 | ||||
| Spectral Width | DFB | Δλ | – | – | 1 | nm | – |
| SMSR | 30 | dB | |||||
| Average Optical Output Power | Po | -2 | – | 3 | dBm | – | |
| Extinction Ratio | ER | 9 | – | – | dB | – | |
| Optical Rise/Fall Time(20%-80%) | Tr/Tf | – | – | 0.28 | ns | – | |
| Receiver | |||||||
| Parameter | Symbol | Min | Typ | Max | Unit | Note | |
| Operate Wavelength | λC | 1261 | – | 1360 | nm | – | |
| 1490 | 1510 | 1580 | |||||
| Receiver Sensitivity | RSENS | – | – | -26 | dBm | 1 | |
| Receiver Saturation | PRS | -3 | – | – | dBm | 1 | |
| LOS Assert | – | -40 | – | – | dBm | Alarm: High-level | |
| LOS De-Assert | – | – | – | -26 | dBm | ||
| LOS Hysteresis | – | 0.5 | – | 5 | dBm | – | |
ElectricalSpecification
| Transmitter | |||||||
| Paramet | Symbol | Min | Typ | Max | Unit | Note | |
| Power Supply Current | ICCT | – | 100 | 220 | mA | 2 | |
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | – | |
| Input Swing Differential Voltage | VIN | 350 | – | 1600 | mV | 3 | |
| TX-Disable Voltage | Disable | – | 2.0 | – | VCC | V | – |
| Enable | – | 0 | – | 0.8 | V | – | |
| TX-Fault Voltage | Fault | – | 2.0 | – | VCC | V | – |
| Normal | – | 0 | – | 0.8 | V | – | |
| Receiver | |||||||
| Paramet | Symbol | Min | Typ | Max | Unit | Note | |
| Power Supply Current | ICCR | – | 70 | 150 | mA | 2 | |
| Output Swing Differential Voltage | VOUT | 800 | – | 2000 | mV | 4 | |
| LOS Voltage | High | – | 2.0 | – | VCC | V | – |
| Low | – | 0 | – | 0.8 | V | – | |
2. The current excludes the output load current.
3. CML input, internally AC-coupled and terminated.
4. Internally AC-coupled.
Package Diagram
Board Layout Hole Pattern
LC Side Interface
SC Side Interface
OrderInformation
| 产品型号 | 封装 | 波长(-xx) | 速率(xx) | 传输距离(-xx) | x | 等级(x) |
| BYCS-B4512-80Dxx / BYCS-B5412-80Dxx |
SFP | B45=T1490/R1550 B54=T1550/R1490 |
12=1.25G | 80=80km | 空 不带DDM D 带DDM |
空 商业级 E 扩展级 I 工业级 |
