Product Features
● UncooledLaserDiodewithMQWStructure
● InGaAs PIN-TIA Photodiode Receiver
● 9/125μm SMF
● BIDI Single Mode Transceiver SFP Footprint
● LCOrSCOptical Interface Are Optional
● Compliant With SFP MSA and SFF-8472
● Digital Diagnostic Monitoring Interface
● Single +3.3V Power Supply
● CML Differential Inputsand Outputs
● LVTTL Signal Detection Output
● Compliant With ITU-TG.957
● Compliant With RoHS and LeadFree
● MetalEnclosureforLowerEMI
● 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 Maximum Ratings

Parameter Symbol Min Max Unit
Storage Temperature Tst -40 +85 °C
Operating Temperature TO BYCS-1312-10D 0 +70 °C
BYCS-1312-10DE -20 +85 °C
BYCS-1312-10DI -40 +85 °C
Input Voltage – GND VCC V
Power Supply Voltage VCC-VEE 0 +3.6 V
Note: Stress in excess of maximum absolute ratings can cause permanent damage to the module.

Recommended Operating Conditions

Parameter Symbol Min Typ Max Unit
Storage Temperature Tst -40 – +85 °C
Operating Case Temperature TC BYCS-1312-10D 0 – +70 °C
BYCS-1312-10DE -20 – +85 °C
BYCS-1312-10DI -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

Optical Specification

Transmitter
Parameter Symbol Min Typ Max Unit Note
CenterWavelength 1310 λC 1261 1310 1360 nm
SpectralWidth 1310nmFP Δλ – – 4 nm –
AverageOpticalOutputPower Po -9 – -3 dBm
ExtinctionRatio ER 9 – – dB –
OpticalRise/FallTime(20%-80%) Tr/Tf – – 0.27 ns –
OutputEye Diagram CompliantwithITU-TG.957
Receiver
Parameter Symbol Min Typ Max Unit Note
OperateWavelength 1550 – 1501 1550 1600 nm
ReceiverSensitivity RSENS – – -24 dBm 1
ReceiverSaturation PRS -3 – – dBm 1
LOSAssert – -40 – – dBm Alarm:High-level
LOSDe-Assert – – – -24 dBm
LOSHysteresis – 0.5 – 5 dBm –

 Note: 1. Minimum Sensitivity and saturation levels for a 27-1 PRBS test pattern @1250Mbps.

Electrical Specification

Transmitter
Parameter Symbol Min Typ Max Unit Note
PowerSupplyCurrent ICCT – 70 150 mA 2
InputDifferentialImpedance ZIN 90 100 110 Ω –
InputSwing DifferentialVoltage VIN 500 – 2400 mV 3
TX-DisableVoltage Disable – 2.0 – VCC V –
Enable – 0 – 0.8 V –
TX-FaultVoltage Fault – 2.0 – VCC V –
Normal – 0 – 0.8 V –
Receiver
Parameter Symbol Min Typ Max Unit Note
PowerSupplyCurrent ICCR – 70 140 mA 2
OutputSwing DifferentialVoltage 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.
4. Internally AC-coupled.

Package Diagram
Board Layout Hole PatternLC Side Interface

SCSide Interface

Order Information

产品型号 封装 波长(-xx) 速率(xx) 传输距离  (-xx) x 等级(x)
BYCS-B1312-10Dxx SFP B13=T1310/R1550 
B15=T1550/R1310		 12=1.25G 03=3km 
10=10km 
20=20km 
40=40km		 空 不带DDM 
D 带DDM		 空 商业级 
E 扩展级 
I 工业级