Product Features
● VCSEL LASER
● GaAs PIN-TIA Photodiode Receiver
● 50/125μm MMF , 62.5/125MMF
● 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 ITU-T G.957
● Compliant With RoHS and Lead Free
● Metal Enclosure for Lower EMI
● Operating Case Temperature:
      Standard: 0 to +70℃
      Extend: -20 to +85℃
      Industrial: -40 to +85℃

Product Applications
● Fast Ethernet
● ATM/SONET/SDH
● Switch/Router
● Other Optical Transmission Systems

Absolute MaximumRatings

Parameter Symbol Min Max Unit
Storage Temperature Tst -40 +85 °C
Operating Temperature TO BYCS-8512-02D 0 +70 °C
BYCS-8512-02DE -20 +85 °C
BYCS-8512-02DI -40 +85 °C
Input Voltage – GND VCC V
Power Supply Voltage VCC-VEE 0 +3.6 V
Note:Stressinexcessofmaximumabsoluteratingscancausepermanentdamagetothe module.

Recommended OperatingConditions

Parameter Symbol Min Typ Max Unit
Storage Temperature Tst -40 – +85 °C
Operating Case Temperature TC BYCS-8512-02D 0 – +70 °C
BYCS-8512-02DE -20 – +85 °C
BYCS-8512-02DI -40 – +85 °C
Power Supply Voltage VCC 3.1 3.3 3.5 V
Power Supply Current ICC – – 200 mA
Data Rate DR – 1250 – Gbps

OpticalSpecification

Transmitter
Parameter Symbol Min Typ Max Unit Note
Center Wavelength vcsel lC 830 850 860 nm
Spectral Width Dl – – 0.85 nm –
Average Optical Output Power Po -9.5 – -3 dBm 62.5um MMF
Extinction Ratio ER 9 – – dB –
Optical Rise/Fall Time(20%-80%) Tr/Tf – – 0.26 ns –
Output Eye Diagram Compliant with ITU-T G.957
Receiver
Parameter Symbol Min Typ Max Unit Note
Operate Wavelength – 770 850 870 nm
Receiver Sensitivity RSENS – – -18 dBm 1
Receiver Saturation PRS -3 – – dBm 1
LOS Assert – -48 – – dBm Alarm: High-level
LOS De-Assert – – – -19 dBm
LOS Hysteresis – 0.5 – 5 dBm –
Note:1.Minimum Sensitivity and saturationlevels for a27-1PRBS testpattern@1250Mbps.

ElectricalSpecification

Transmitter
Parameter Symbol Min Typ Max Unit Note
Power Supply Current ICCT – 70 120 mA 2
Input Differential Impedance ZIN 90 100 110 Ω –
Input Swing Differential Voltage VIN 500 – 2400 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
Parameter Symbol Min Typ Max Unit Note
Power Supply Current ICCR – 600 80 mA 2
Output Swing Differential Voltage VOUT 600 – 2000 mV 4
LOS Voltage High – 2.0 – VCC V –
Low –  0 – 0.8 V –
Note: 

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

image-20.png

LC Side Interface

image-21-768x340.png

OrderInformation

产品型号 封装 波长(-xx) 速率(xx) 传输距离 (-xx) x 温度(x)
BYCS-8512-02Dxx SFP 85=850nm 
13=1310nm
15=1550nm		 12=1.25GBP/s 02=500m 空 不带DDM
D 带DDM		 空 商业级
E 拓展级
I 工业级