100G QSFP28 LR4 Optical Transceiver

Storage Temperature

°C

-40

85

Operating Relative Humidity

%

85

Power Supply Working Voltage

V

-0.5

3.63

Damage Threshold, each Lane

dBm

5.5

Operating Case Temperature

°C

0

70

Power Supply Working Voltage

V

3.135

3.135

3.135

Data Rate, each Lane

Gbps

25.78125

Power Consumption

W

3.5

Supply Current

A

1.12

Wavelength Assignment

nm

1294.53

1295.56

1296.59

nm

1299.02

1300.05

1301.09

nm

1303.54

1304.58

1305.63

nm

1308.09

1309.14

1310.19

Transmitter

Side Mode Suppression Ratio

dB

30

Total Average Launch Power

dBm

10.5

Average Launch Power, each Lane

dBm

-4.3

4.5

OMA, each Lane

dBm

-1.3

4.5

1

Difference in Launch Power

dB

5

Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane

dBm

-2.3

TDP, each Lane

dB

2.2

Extinction Ratio

dB

4

Relative Intensity Noise

dB/Hz

-130

Optical Return Loss Tolerance

dB

20

Transmitter Reflectance

dB

-12

Eye Mask{X1, X2, X3, Y1, Y2, Y3}

{0.25, 0.4,0.45, 0.25,0.28, 0.4}

2

Average Launch Power OFF Transmitter, each Lane

dBm

-30

Receiver

Damage Threshold, each Lane

dBm

5.5

3

Total Average Receive Power

dBm

10.5

Average Receive Power, each Lane

dBm

-10.6

4.5

Receive Power (OMA), each Lane

dBm

4.5

Receiver Sensitivity (OMA), each Lane

dBm

-8.6

Stressed Receiver Sensitivity (OMA), each Lane

dBm

-6.8

4

Receiver Reflectance

●

dB

-26

Difference in Receive Power

between any Two Lanes (OMA)

dB

5.5

LOS Assert

dBm

-24

-13.6

LOS Deassert

dBm

●

-11.6

LOS Hysteresis

dB

1.5

Receiver Electrical 3 dB upper Cutoff Frequency, each Lane

GHz

31

Conditions of Stress Receiver Sensitivity Test

5

Vertical Eye Closure Penalty, each Lane

dB

1.8

Stressed Eye J2 Jitter, each Lane

UI

0.3

Stressed Eye J9 Jitter, each Lane

UI

0.47

Electrical

Differential input impedance

ohm

90

100

110

Differential Output impedance

ohm

90

100

110

Differential input voltage amplitude

mVp-p

190

900

Differential output voltage ampl●itude

mVp-p

300

850

LVTTL Output High

V

2.0

VCC+0.3

LVTTL Output Low

V

0

0.4

LVTTL Input High

V

2.0

VCC+0.3

LVTTL Input Low

V

VEE-0.3

0.8

1

GND

Module Ground

2

Tx2n

CML-I

Transmitter Inverted Data Input

3

Tx2p

CML-I

Transmitter Non-Inverted Data Input

4

GND

Module Ground

5

Tx4n

CML-I

Transmitter Inverted Data Input

6

Tx4p

CML-I

Transmitter Non-Inverted Data Input

7

GND

Module Ground

8

ModSelL

LVTTL-I

Module Select

9

ResetL

LVTTL-I

Module Reset

10

VccRx

+3.3V Power Supply for Receiver

11

SCL

LVTTL-I

2-Wire Serial Interface Clock

12

SDA

●

LVTTL-I/O

2-Wire Serial Interface Data Line

13

GND

Module Ground

14

Rx3p

CML-O

Receiver Non-Inverted Data Output

15

Rx3n

CML-O

Receiver Inverted Data Output

16

GND

Module Ground

17

Rx1p

CML-O

Receiver Non-Inverted Data Output

18

Rx1n

●

CML-O

Receiver Inverted Data Output

19

GND

Module Ground

20

GND

Module Ground

21

Rx2n

CML-O

Receiver Inverted Data Output

22

Rx2p

CML-O

Receiver Non-Inverted Data Output

23

GND

Module Ground

24

Rx4n

CML-O

Receiver Inverted Data Output

25

Rx4p

CML-O

Receiver Non-Inverted Data Output

26

GND

Module Ground

27

ModPrsL

LVTTL-O

Module Present

28

IntL

LVTTL-O

Interrupt

29

VccTx

+3.3V Power Supply for Transmitter

30

Vcc1

+3.3V Power Supply

31

LPMode

LVTTL-I

Low Power Mode

32

GND

Module Ground

33

Tx3p

CML-I

Transmitter Non-Inverted Data Input

34

Tx3n

CML-I

Transmitter Inverted Data Input

35

GND

Module Ground

36

Tx1p

CML-I

Transmitter Non-Inverted Data Input

37

Tx1n

CML-I

Transmitter Inverted Data Input

38

GND

Module Ground