Product Features
● Uncooled laser diode with MQW structure
● Reach 20km Transmission Distance
● BIDI Single Mode Transceiver 1x9 Footprint
● SC, FC or ST Optical Interface are Optional
● 3.3V Power Supply
● CML Differential Inputs and Outputs
● LVTTL Signal Detection Output
● Fast Ethernet and ITU G.957 Compliant
● Compliant RoHS and lead free
● Complies with Telcordia GR-468-CORE
● Operating case temperature:
        Standard: 0 to +70°C
        Extend: -20 to +85°C
        Industrial: -40 to +85°C

Product Applications
● ATM
● SONET/SDH
● Fast Ethernet
● Switches
● Routers
● Hubs

Performance Specifications
AbsoluteMaximum Ratings

Parameter

Symbol

Min

Max

Unit

Storage Temperature

Tst

-40

+85

°C

Operating Temperature

TO

BYTR-Bxx31-20

0

+70

°C

BYTR-Bxx31-20E

-20

+85

°C

BYTR-Bxx31-20I

-40

+85

°C

Input Voltage

-

GND

VCC

V

Power Supply Voltage

VCC-VEE

0

+6

V

Recommended Operating Conditions

Parameter

Symbol

Min

Typ

Max

Unit

Storage Temperature

Tst

-40

-

+85

°C

Operating Case Temperature

TC

BYTR-Bxx31-20

0

-

+70

°C

BYTR-Bxx31-20E

-20

-

+85

°C

BYTR-Bxx31-20I

-40

-

+85

°C

Power Supply Voltage

VCC

3.14

3.3-

3.5

V

Data Rate

DR

-

3.125

Gbps

 

Optical Specification

Transmitter

Parameter

Symbol

Min

Typ

Max

Unit

Note

Center Wavelength

1310 DFB

λC

1261

1310

1360

nm

BYTR-B1331-20xx

1550 DFB

1530

1550

1580

BYTR-B1531-20xx

Spectral Width

∆λ

-

-

1

nm

DFB

Average Optical Output Power

Po

-9

-

0

dBm

-

Extinction Ratio

Er

6

-

-

dB

-

Output Eye Diagram

Compliant with ITU-T.G957

Receiver

Parameter

Symbol

Min

Typ

Max

Unit

Note

Operate Wavelength

131O

1261

-

1370

nm

BYTR-B1531-20xx

1550

1500

1600

BYTR-B1331-20xx

Sensitivity

Pr

-

-

-18

dBm

1

Saturation

Ps

-3

-

-

dBm

1

Signal Detect Assert Level

-

-40

-

-

dBm

Alarm : Low-level

Signal Detect De-assert Level

-

-

-

-20

dBm

SD Hysteresis

-

0.5

-

5

dB

-

 Note: 1. Minimum Sensitivity and saturation levels for a 27-1 PRBS test pattern @3125Mbps.

Package Diagram
SC Interface4

FC Interface5

ST Interface6

Order information

产品型号

封装

波长(-xx)

速率(xx)

传输距离  (-xx)

x

等级(x)

BYTR-Bxx31-20xx

1x9

B13=T1310/R1550 
B15=T1550/R1310

31=3.125G

20=20km

空 不带DDM 
D 带DDM

空 商业级 
E 扩展级 
I 工业级