Parameter

Symbol

Min.

Max.

Unit

Storage Temperature

Tst

-40

+85

°C

Operating relative humidity

RH

5

90

%

(Non- condensing)

Input Voltage

-

GND

Vcc

V

Power Supply Voltage

Vcc

0

3.6

V

4.2 Recommended Operating Environment

Parameter

Symbol

Min.

Typ.

Max.

Unit

Power Supply Voltage

Vcc

+3.14

+3.3

+3.46

V

Power Supply Current

Icc

-

-

1130

mA

Data rate per lane

-

10.3125

11.3

Gbps

Operating relative humidity

RH

5

85

%

(Non- condensing)

Case Temperature (Operating)

TC

0

-

70

°C

I2C clock frequency

-

-

100

400

KHz

Power consumption Max

-

-

-

3.5

W

1 / 6

4.3

Transmitter Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Signal Speed per lane

Sp

10.3125

Gbps

1264.5

1271

1277.5

nm

Lane0

Center Wavelength



1284.5

1291

1297.5

nm

Lane1

1304.5

1311

1317.5

nm

Lane2

1324.5

1331

1337.5

nm

Lane3

Spectral Width (-20dB)



-

-

1

nm

Side Mode Suppression Ratio

SMSR

30

-

-

dB

Total Output Optical Power

Pot

10.5

dBm

Average Optical Output Power

Po

-2.7

-

4.5

dBm

Optical Modulation Amplitude,

OMA

0.3

5

dBm

Each Lane

Extinction Ratio

Er

5.5

-

-

dB

Differential Input Impedance

-

80

100

120

Ω

Differential Data Input Swing

VINPP

120

1000

mV

4.4

Receiver Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Units

Notes

1264.5

1271

1277.5

nm

Lane0

Wavelength of Operation



1284.5

1291

1297.5

nm

Lane1

1304.5

1311

1317.5

nm

Lane2

1324.5

1331

1337.5

nm

Lane3

Optical Input Power, each lane

Pin

-21.2

-

-4.5

dBm

Damage Threshold

Pmax

-

-

3.8

dBm

4.4.1

Receiver Sensitivity (OMA),

each

Rxsen

-19

dBm

Lane

LOS Asserted

T_loss_on

-35

dBm

-

LOS De-Asserted

T_loss_off

-22

dBm

-

LOS Hysteresis

T_loss_Hs

0.5

-

dB

Differential Data Output Swing

VOUTPP

350

800

mV

Parameter

Symbol

Range

Accuracy

Transceiver Case

T

Measured transceiver case temperature over

±3°C

Temperature

specified operating range

Vcc

Internally measured transceiver supply

±3%

Supply Voltage

voltage ,3.0~3.6V

TX Bias Current

Id

Measured TX Bias current in uA

±10%

TX Output Power

Po

Measured TX Output Power in dBm Over the

±3dB

specified output power range

Received Optical Power

Pi

Measured RX Received Power in dBm Over the

±3dB

specified input power range

2 / 6

Pin#

Logic

Name

Function

Notes

1

GND

Ground

2

CML-I

Tx2n

Transmitter Inverted Data Input

3

CML-I

Tx2p

Transmitter Non-Inverted Data output

4

GND

Ground

5

CML-I

Tx4n

Transmitter Inverted Data Input

6

CML-I

Tx4p

Transmitter Non-Inverted Data output

7

GND

Ground

8

LVTLL-I

ModSelL

Module Select

9

LVTLL-I

ResetL

Module Reset

3 / 6

Pin#

Logic

Name

Function

Notes

10

VccRx

+3.3V Power Supply Receiver

11

SCL

2-Wire Serial Interface Clock

12

SDA

2-Wire Serial Interface Data

13

GND

Ground

14

CML-O

Rx3p

Receiver Non-Inverted Data Output

15

CML-O

Rx3n

Receiver Inverted Data Output

16

GND

Ground

17

CML-O

Rx1p

Receiver Non-Inverted Data Output

18

CML-O

Rx1n

Receiver Inverted Data Output

19

GND

Ground

20

GND

Ground

21

CML-O

Rx2n

Receiver Inverted Data Output

22

CML-O

Rx2p

Receiver Non-Inverted Data Output

23

GND

Ground

24

CML-O

Rx4n

Receiver Inverted Data Output

25

CML-O

Rx4p

Receiver Non-Inverted Data Output

26

GND

Ground

27

LVTTL-O

ModPrsL

Module Present

28

LVTTL-O

IntL

Interrupt

29

VccTx

+3.3 V Power Supply transmitter

30

Vcc1

+3.3 V Power Supply

4 / 6

Pin#

Logic

Name

Function

Notes

31

LVTTL-I

LPMode

Low Power Mode

32

GND

Ground

33

CML-I

Tx3p

Transmitter Non-Inverted Data Input

34

CML-I

Tx3n

Transmitter Inverted Data Output

35

GND

Ground

36

CML-I

Tx1p

Transmitter Non-Inverted Data Input

37

CML-I

Tx1n

Transmitter Inverted Data Output

38

GND

Ground

Part Number

Operating Case Temperature

RoHS Compliant

QSFP+/40G-ER4

0 ~ 70 °C

RoHS-6

Version

Change Description

Changed by

Date

VER A

Initial Release

Wang

01/15/2018