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400G OSFP SR4 Transceiver

• Hot-pluggable OSFP 400G SR4 multimode transceiver
• Compliant with OSFP RHS
• Compliant with CMIS Rev 5.0 and above revision
• 4-channels of 100G-PAM4 electrical and optical modulation
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400G OSFP SR4 Transceiver
  • 400G OSFP SR4 Transceiver

  • zhaolong

Application

• Data center & Networking Equipment

• Servers/Storage Devices

• High Performance Computing (HPC)

• Switches/Routers

• Telecom Central Offices (CO)

• Test and Measurement Equipment


Features

• Hot-pluggable OSFP 400G SR4 multimode transceiver

• Compliant with OSFP RHS

• Compliant with CMIS Rev 5.0 and above revision

• 4-channels of 100G-PAM4 electrical and optical modulation

• Maximum power consumption 8.5W with 4 channels and 6.5W with 2 channels

• Single MPO-12 APC receptacles

• Up to 30m reach on OM3 and 50m reach on OM4

• Operates as a 200Gb/s NDR200 transceiver with 2-fiber splitter ends

• Case operating temperature 0°C to 70°C


Product Specification

Absolute Maximum Ratings (TC=25℃, unless otherwise noted

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings will cause permanent damage and/or adversely affect device reliability.

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Storage Temperature

TS

-40

-

+85


Maximum Supply Voltage

Vcc

-0.5

-

3.6

V


Operating Relative Humidity

RH

5

-

95

%

No

condensation

Control Input Voltage

VI

-0.3

-

VCC+0.5

V


General Specifications (Tc=25℃, unless otherwise noted)

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Operating Case Temperature

TOPR

0

-

70


Power Supply Voltage

VCC

3.135

3.3

3.465

V


Instantaneous peak current at hot

plug

ICC_IP

-

-

3600

mA


Sustained peak current at hot

plug

ICC_SP

-

-

3000

mA


MaximumPower

Dissipation(400G)

PD

-

-

8.5

W


Maximum Power

Dissipation(200G)

PD

-

-

6.5

W


Maximum Power Dissipation, Low

Power Mode

PDLP

-

-

1.5

W


Signaling Rate per Lane

SRL

-

53.125

-

GBd

PAM4

Two Wire Serial Interface Clock

Rate

-

-100

-

400

kHz


Power Supply Noise Tolerance

(10Hz - 10MHz)

-

-

-

66

mV


Rx Differential Data Output Load

-

-

100

-

Ohm


Operating Distance (OM3)

-

2

-

30

m


Operating Distance (OM4)

-

2

-

50

m


Transmitter Characteristics (TC=25℃, unless otherwise noted)

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Wavelength

λC

844

850

863

nm


RMS spectral width

∆λrms



0.6

nm


Average Launch Power, each lane

AOPL

-4.6

-

4.0

dBm

1

Outer Optical Modulation

Amplitude (OMAouter), each lane

TOMA

-2.6


3.5

dBm

2

Transmitter and Dispersion Eye

Closure for PAM4 (TDECQ), each lane


TDECQ


-


-


4.4


dB


Average Launch Power of OFF

Transmitter, each lane

TOFF

-

-

-30

dBm


Extinction Ratio, each lane

ER

2.5

3.5

-

dB


RIN14OMA

RIN

-

-

-132

dB/Hz


Optical Return Loss Tolerance

ORL


-

12

dB


Transmitter Reflectance

TR

-

-

-26

dB

3

Notes

1. Average launch power, each lane (min) is informative and not the principal indicator of signal strength.

2. Even if max (TECQ, TDECQ) < 1.8dB, OMAouter (min) must exceed this value.

3. Transmitter reflectance is defined looking into the transmitter.

Receiver Characteristics (TC=25℃, unless otherwise noted)

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Wavelength

λC

842

850

863

nm


DamageThreshold,average

optical power, each lane

AOPD

5

-

-

dBm


Average Receive Power, each

lane

AOPR

-6.3

-

4.0

dBm


Receive Power (OMAouter), each

lane

OMAR

-

-

3.5

dBm


Receiver Reflectance

RR

-

-

-26

dB


Receiver Sensitivity (OMAouter),

each lane

SOMA

-

-

-4.4

dBm

1

StressedReceiverSensitivity

(OMAouter), each lane

SRS

-

-

-1.8

dBm

2

Conditions of stressed receiver sensitivity test

Stressed eye closure for PAM4

SECQ


4.4


dB


OMAouter of each aggressor lane

OMAouter


3.5


dBm


Notes

1. Receiver sensitivity (OMAouter), each lane (max) is informative and is defined for a transmitter with TDECQ<=1.8 dB

2. Measured with conformance test signal at TP3 for the BER = 2.4x10-4


PIN Descriptions




Figure 1 – OSFP module Pinout


PIN

Logic

Symbol

Name/Description

1


GND

Ground

2

CML-I

TX2p

Transmitter Data Non-Inverted

3

CML-I

TX2n

Transmitter Data Inverted

4


GND

Ground

5

CML-I

TX4p

Transmitter Data Non-Inverted

6

CML-I

TX4n

Transmitter Data Inverted

7


GND

Ground

8

CML-I

TX6p

Transmitter Data Non-Inverted

9

CML-I

TX6n

Transmitter Data Inverted

10


GND

Ground

11

CML-I

TX8p

Transmitter Data Non-Inverted

12

CML-I

TX8n

Transmitter Data Inverted

13


GND

Ground

14

LVCMOS-I/O

SCL

2-wire Serial interface clock

15


VCC

+3.3V Power

16


VCC

+3.3V Power

17

Multi-Level

LPWn/PRSn

Low-Power Mode / Module Present

18


GND

Ground

19

CML-O

RX7n

Receiver Data Inverted

20

CML-O

RX7p

Receiver Data Non-Inverted

21


GND

Ground

22

CML-O

RX5n

Receiver Data Inverted

23

CML-O

RX5p

Receiver Data Non-Inverted

24


GND

Ground

25

CML-O

RX3n

Receiver Data Inverted

26

CML-O

RX3p

Receiver Data Non-Inverted

27


GND

Ground

28

CML-O

RX1n

Receiver Data Inverted

29

CML-O

RX1p

Receiver Data Non-Inverted

30


GND

Ground

31


GND

Ground

32

CML-O

RX2p

Receiver Data Non-Inverted

33

CML-O

RX2n

Receiver Data Inverted

34


GND

Ground

35

CML-O

RX4p

Receiver Data Non-Inverted

36

CML-O

RX4n

Receiver Data Inverted

37


GND

Ground

38

CML-O

RX6p

Receiver Data Non-Inverted

39

CML-O

RX6n

Receiver Data Inverted

40


GND

Ground

41

CML-O

RX8p

Receiver Data Non-Inverted

42

CML-O

RX8n

Receiver Data Inverted

43


GND

Ground

44

Multi-Level

INT/RSTn

Module Interrupt / Module Reset

45


VCC

+3.3V Power

46


VCC

+3.3V Power

47

LVCMOS-I/O

SDA

2-wire Serial interface data

48


GND

Ground

49

CML-I

TX7n

Transmitter Data Inverted

50

CML-I

TX7p

Transmitter Data Non-Inverted

51


GND

Ground

52

CML-I

TX5n

Transmitter Data Inverted

53

CML-I

TX5p

Transmitter Data Non-Inverted

54


GND

Ground

55

CML-I

TX3n

Transmitter Data Inverted

56

CML-I

TX3p

Transmitter Data Non-Inverted

57


GND

Ground

58

CML-I

TX1n

Transmitter Data Inverted

59

CML-I

TX1p

Transmitter Data Non-Inverted

60


GND

Ground


Mechanical Specifications

Figure 2 – Mechanical Dimensions


Figure 3 – Active fiber ports in MPO12 connector on module side

Product Information

Data Rate

Factor

Optical

Wavelength

Reach

400G

OSFP

SR4

MPO

850nm

70m

ESD Safety Cautions

This transceiver is specified as ESD threshold 1KV for high speed data pins based on Human Body Model per ANSI/ESDA/JEDECJS-001. The units are subjected to 15kV air discharges during operation and 8kV direct contact discharges to the case. However, normal ESD precautions are still required during the handling of this module. This transceiver is shipped in ESD protective packaging. It should be removed from the packaging and handled only in an ESD protected environment.

Important Notice

The performance figures, data, and any illustrative material presented in this datasheet are typical and must be explicitly confirmed in writing by ZHAOLONG before they are deemed applicable to any specific order or contract.

By ZHAOLONG's policy of continuous improvement, specifications may change without prior notice. The publication of information in this datasheet does not imply exemption from patent or other protective rights held by ZHAOLONG or other parties. Additional details can be obtained from any ZHAOLONG sales representative.

Revision Record

Rev.

Comments

Author

Date

A01

Initial Release

James Chen

10/01/2023













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