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100G QSFP28 10km Optical Transceiver

100G QSFP28 10km Optical Transceiver

100G QSFP28 10km optical transceiver is a high-speed optical communication device used to achieve 100Gbps (4×25Gbps or 1×100Gbps) long-distance (10km) optical fiber transmission in scenarios such as data centers and metropolitan area networks.

contact us：lina@glhcoptical.com

Specification
Resources

 

 

Features

l Supports 100GBASE-CWDM4(103.1Gb/s);

l Lane bit rate 25.78 Gb/s;

l Up to 10km transmission on SMF;

l CWDM DML laser and PIN receiver;

l High speed I/O electrical interface (CAUI-4);

l I2C interface with integrated Digital Diagnostic monitoring;

l QSFP28 MSA package with duplex LC connector;

l Single +3.3V power supply;

l Maximum power consumption 3.5 W;

l Operating case temperature: 0 to +70 °C;

l Compliant to 100G CWDM4 MSA;

l Compliant to IEEE802.3bm;

l Compliant to SFF-8665 and SFF-8679;

l Complies with EU Directive 2011/65/EU (RoHS 6);

 

Application

l 100GBASE-CWDM4 application with FEC;

 

 

Absolute Maximum Ratings

  

Table 2-Absolute Maximum Ratings

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Storage Temperature

TS

-40

-

+85

°C

 

Supply Voltage

VCC

-0.5

-

+4.0

V

 

Operating Relative Humidity

RH

-

-

+85

%

 

 

 

 

Recommended Operating Conditions

 

Table 3-Recommended Operating Conditions

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Operating Case Temperature

TC

0

-

+70

°C

 

Power Supply Voltage

VCC

3.13

3.3

3.47

V

 

Power Supply Current

ICC

-

-

1.1

A

 

Maximum Power Dissipation

PD

-

-

3.5

W

 

Aggregate Bit Rate

BRAVE

-

103.125

-

Gb/s

 

Lane Bit Rate

BRLANE

-

25.78

-

Gb/s

 

Transmission Distance

TD

 

-

10

km

Over SMF

 

 

 

Optical Characteristics

 

Table 4-Optical Characteristics

Transmitter

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Center Wavelength Lane 0

λ0

1264.5

1271

1277.5

nm

 

Center Wavelength Lane 1

λ1

1284.5

1291

1297.5

nm

 

Center Wavelength Lane 2

λ2

1304.5

1311

1317.5

nm

 

Center Wavelength Lane 3

λ3

1324.5

1331

1337.5

nm

 

Total Launch Power, 100GE

PALL

-

-

8.5

dBm

1

Average Launch Power per Lane, 100GE

PTX_LANE

-6.5

-

2.5

dBm

1

OMA per Lane, 100GE

OMA

-4

-

2.5

dBm

1

OMA–TDP per Lane, 100GE

OMA_TDP

-5.0

-

-

dBm

 

Difference in launch power between lanes

PTX_Delta_LANE

-

-

6.0

dB

 

Average Output Power (Laser Turn off)

P0UT-OFF

-

-

-30

dBm

 

Side Mode Suppression Ratio

SMSR

30

-

-

dB

 

Extinction Ratio, 100GE

ER

3.5

-

-

dB

 

Transmitter and Dispersion Penalty

TDP

-

-

3.0

dB

2

Optical Return Loss Tolerance

ORLT

-

-

20

dB

 

Optical Eye Mask, 100GE

{X1,X2,X3,Y1,Y2,Y3}

Compliant with 100G CWDM4 MSA

{0.31,0.4,0.45,0.34,0.38,0.4}

2

Receiver

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Center Wavelength Lane 0

λ0

1264.5

1271.0

1277.5

nm

 

Center Wavelength Lane 1

λ1

1284.5

1291.0

1297.5

nm

 

Center Wavelength Lane 2

λ2

1304.5

1311.0

1317.5

nm

 

Center Wavelength Lane 3

λ3

1324.5

1331.0

1337.5

nm

 

OMA Sensitivity per Lane, 100GE

Rxsens

-

-

-12

dBm

3

Stressed receiver sensitivity (OMA), per

lane

SRS_OMA

-

-

-7.8

dBm

3

SRS eye mask definition, 100GE

{X1,X2,X3,Y1,Y2,Y3}

Compliant with 100G CWDM4 MSA

{0.39,0.5,0.5,0.39,0.39,0.4}

 

Damage threshold

Pdamage

3.5

-

-

dBm

 

Receive Saturation (OMA) per Lane

Rmax

2.5

-

-

dBm

 

Reflectance

Ref

-

-

-26

dB

 

LOS Assert per lane

LOSA

-25

-

-

dBm

 

LOS De-assert

LOSD

-

-

-13

dBm

 

LOS Hysteresis

LOSH

0.5

-

6

dB

 

 

Notes:

1. The optical power is launched into SMF.

2. Measured with a PRBS 231-1 test pattern @25.78125Gb/s, Hit ratio≤5E-5.

3. Measured with a PRBS 231-1 test pattern @25.78125 Gb/s, BER≤5E-5.

 

 

 

Electrical Characteristics

 

High-Speed Signal: Compliant to CAUI-4 (IEEE 802.3bm)

Low-Speed Signal: Compliant to QSFP-8679.

Table 5-Electrical Characteristics

Transmitter (Module Input)

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Differential Data Input Amplitude

VIN,P-P

85

-

900

mVpp

 

Differential Termination Mismatch

 

-

-

10

%

 

LPMode, Reset and ModSelL, V in low

VIL

-0.3

-

0.8

V

 

LPMode, Reset and ModSelL, V in high

VIH

2.0

-

VCC+0.3

V

 

Receiver (Module Output)

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Differential Data Output Amplitude

VOUT,P-P

200

-

900

mVpp

 

Differential Termination Mismatch（1MHZ）

 

-

-

10

%

 

Output Rise/Fall Time, 20%~80%

TR

12

-

-

ps

 

ModPrsL and IntL, V out low

VOL

0

-

0.4

V

 

ModPrsL and IntL, V out high

VOH

 VCC-0.5

-

 VCC+0.3

V

 

 

 

 

Digital Diagnostics

 

Table 6-Digital Diagnostics

Parameter

Range

Accuracy

Unit

Calibration

Temperature

0 to 70

±3

ºC

Internal

Voltage

0 to VCC

0.1

V

Internal

Tx Bias Current Per Lane

0 to 100

10%

mA

Internal

Tx Output Power Per Lane

-6.5 to 3

±3

dBm

Internal

Rx Power (Each Lane)

-11.5 to 3

±3

dBm

Internal

 

 

Pin Definitions

 

 

 

 

PIN

Logic

Symbol

Description

Plug

 Seq.

Notes

1

　

GND

Ground

1

1

2

CML-I

Tx2n

Transmitter Inverted Data Input

3

　

3

CML-I

Tx2p

Transmitter Non-Inverted Data output

3

　

4

　

GND

Ground

1

1

5

CML-I

Tx4n

Transmitter Inverted Data Input

3

　

6

CML-I

Tx4p

Transmitter Non-Inverted Data output

3

　

7

　

GND

Ground

1

1

8

LVTLL-I

ModSelL

Module Select

3

　

9

LVTLL-I

ResetL

Module Reset

3

　

10

　

VccRx

﹢3.3V Power Supply Receiver

2

2

11

LVCMOS-I/O

SCL

2-Wire Serial Interface Clock

3

　

12

LVCMOS-I/O

SDA

2-Wire Serial Interface Data

3

　

13

　

GND

Ground

1

　

14

CML-O

Rx3p

Receiver Non-Inverted Data Output

3

　

15

CML-O

Rx3n

Receiver Inverted Data Output

3

　

16

　

GND

Ground

1

1

17

CML-O

Rx1p

Receiver Non-Inverted Data Output

3

　

18

CML-O

Rx1n

Receiver Inverted Data Output

3

　

19

　

GND

Ground

1

1

20

　

GND

Ground

1

1

21

CML-O

Rx2n

Receiver Inverted Data Output

3

　

22

CML-O

Rx2p

Receiver Non-Inverted Data Output

3

　

23

　

GND

Ground

1

1

24

CML-O

Rx4n

Receiver Inverted Data Output

3

　

25

CML-O

Rx4p

Receiver Non-Inverted Data Output

3

　

26

　

GND

Ground

1

1

27

LVTTL-O

ModPrsL

Module Present

3

　

28

LVTTL-O

IntL

Interrupt

3

　

29

　

VccTx

+3.3 V Power Supply transmitter

2

2

30

　

Vcc1

+3.3 V Power Supply

2

2

31

LVTTL-I

LPMode

Low Power Mode

3

　

32

　

GND

Ground

1

1

33

CML-I

Tx3p

Transmitter Non-Inverted Data Input

3

　

34

CML-I

Tx3n

Transmitter Inverted Data Output

3

　

35

　

GND

Ground

1

1

36

CML-I

Tx1p

Transmitter Non-Inverted Data Input

3

　

37

CML-I

Tx1n

Transmitter Inverted Data Output

3

　

38

　

GND

Ground

1

1

Note 1: GND is the symbol for signal and supply (power) common for the QSFP28 module. All are common within the QSFP28 module and all module voltages are referenced to this potential unless otherwise noted. Connect these directly to the host board signal-common ground plane.

Note 2: Vcc Rx, Vcc1 and Vcc Tx are the receiver and transmitter power supplies and shall be applied concurrently. Requirements defined for the host side of the Host Edge Card Connector are listed in MSA. The connector pins are each rated for a maximum current of 1000 mA.

 

 

 

 

 

 

 

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