Generic Compatible QSFP28 100GBASE-SR4 100m

Parameter

Symbol

Min

Max

Unit

Note

Storage Temperature Tst

Tst

40

+85

degC

Relative Humidity (non-condensation)

RH

5

90

%

Operating Case Temperature

Topc

-5

+75

degC

Operating Range

0.002

100

m

Supply Voltage

VCC

-0.3

3.6

V

Parameter

Symbol

Typical

Unit

Supply Voltage

Vcc

3.1

3.3

3.5

V

Case Operating Temperature

Tca

5

25

75

ºC

Data Rate Per Lane

fd

25.78125

Gbps

Humidity

Rh

5

85

%

Power Dissipation

Pm

1.5

W

Fiber Bend Radius

Rb

0.5

cm

Description

Unit

Value

Min

Max

Transmitter(each lane)

Center wavelength

nm

840

860

RMS spectral width

nm

0.6

Average launch power(OMA),each lane

dBm

-8.4

2.4

Optical Modulation Amplitude, each lane

dBm

-6.4

3.0

Extinction ratio

dB

2

Average launch power of OFF transmitter, each lane

dBm

-30

Receiver(each lane)

Center wavelength

nm

840

860

Damage threshold

dBm

3.4

Average power at receiver input,each lane

dBm

-10.3

2.4

Optical Modulation Amplitude(OMA),each lane

dBm

3

Stressed receiver sensitivity in OMA,each lane

dBm

-5.2

PIN

Logic

Symbol

Name/Description

No

1

GND

Ground

1

2

CML-I

Tx2n

Transmitter Inverted Data Input

3

CML-I

Tx2p

Transmitter Non-Inverted Data output

4

GND

Ground

1

5

CML-I

Tx4n

Transmitter Inverted Data Input

6

CML-I

Tx4p

Transmitter Non-Inverted Data output

7

GND

Ground

1

8

LVTLL-I

ModSelL

Module Select

9

LVTLL-I

ResetL

Module Reset

10

VccRx

﹢3.3V Power Supply Receiver

2

11

LVCMOS-I/O

SCL

2-Wire Serial Interface Clock

12

LVCMOS-I/O

SDA

2-Wire Serial Interface Data

13

GND

Ground

14

CML-O

Rx3p

Receiver Non-Inverted DataOutput

15

CML-O

Rx3n

Receiver Inverted Data Output

16

GND

Ground

1

17

CML-O

Rx1p

Receiver Non-Inverted DataOutput

18

CML-O

Rx1n

Receiver Inverted Data Output

19

GND

Ground

1

20

GND

Ground

1

21

CML-O

Rx2n

Receiver Inverted Data Output

22

CML-O

Rx2p

Receiver Non-Inverted DataOutput

23

GND

Ground

1

24

CML-O

Rx4n

Receiver Inverted Data Output

1

25

CML-O

Rx4p

Receiver Non-Inverted DataOutput

26

GND

Ground

1

27

LVTTL-O

ModPrsL

Module Present

28

LVTTL-O

IntL

Interrupt

29

VccTx

+3.3 V Power Supplytransmitter

2

30

Vcc1

+3.3 V Power Supply

2

31

LVTTL-I

LPMode

Low Power Mode

32

GND

Ground

1

33

CML-I

Tx3p

Transmitter Non-Inverted DataInput

34

CML-I

Tx3n

Transmitter Inverted Data Output

35

GND

Ground

1

36

CML-I

Tx1p

Transmitter Non-Inverted DataInput

37

CML-I

Tx1n

Transmitter Inverted Data Output

38

GND

Ground

1