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400G QSFP-DD DR4 SM MPO12 Optical Transceiver

Features

QSFP-DD Serial Optical Interface

  • 8x50G PAM4 retimed 400GAUI-8 electrical interface
  • MPO-12 connector with 8° angled end-face
  • Up to 500m on SMF with FEC

QSFP-DD MSA Compliant

  • Hot Pluggable QSFP-DD form factor
  • Compliant with CMIS5.2

Support Protocol

  • IEE802.3.bs 400GBASE-DR4 Specification compliant

Low Power Consumption

  • Less than 10.5W in temperature range of 0 to 70℃

Applications

  • 400Gb/s Ethernet
  • Data Center
  • InfiniBand interconnects


  • 产品详细信息

400G OSFP DR4 Specification

400G, QSFP-DD, MPO12 APC,1310nm SMF, up to 500m.


400G QSFP-DD DR4


Functional Block Diagram


400G QSFP-DD DR4


General Description

RQDD-400G-DR4 is a Silicon Photonics 400G (4x100G) DR4 transceiver. RQDD-400G-DR4 is a fully integrated, 425 Gb/s optical transceiver for SMF links up to 500m. RQDD-400G-DR4 transmits data in compliance with the optical interface specification IEEE Std802.3-2018 Section 8 400GBASE-DR4. 400GBASE-DR4 specifies the use of 4-level pulse amplitude modulation (PAM4) at 53.125 Gbaud operating at four parallel channels with wavelength on the range of 1304.5-1317.5nm. The bit rate per lane is106.25 Gb/s, which produces an aggregate data rate of 425 Gb/s by means PSM to the transmit ports of the MPO-12 connector. The received optical lanes are paralleled from the receive MPO-12 connector ports to PIN-PD built in PIC (Photonic Integrated Circuit) to recover the PAM4 for interfacing with the electrical interface via with transimpedance amplifier (TIA) surfaced-mounted to PIC.


Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Storage Temperature

Ts

-40

85

°C

Case Operating Temperature

Top

0

70


Storage Relative Humidity (non-condensation)

RH

-

85

%

Supply Voltage

Vcc

0

3.6

V

Receiver Damage Threshold, per Lane

PRdmg


5.0

dBm


Recommended Operating Conditions

Parameter

Symbol

Min

Max

Unit

Operating Case Temperature

TC

0

70

°C

Relative Humidity (non- condensation)

RH

5

85

%

Power Supply Voltage

Vcc

-3.135

3.465

V

Supply Current

Icc


3182

mA

Total Power Consumption

PC


10.5

W

Bit Rate

BR


425

Gbps


Transmitter Optical Interface

Parameter

Accuracy

Unit

Internally Measured Transceiver Temperature

+/-3

Internally Measured Transceiver Supply Voltage

+/-3

%

Measured Tx Bias Current

+/-10

%

Measured Tx Output Power

+/-3

dB

Measured Rx Received Average Optical Power

+/-3

dB


Receiver Optical Interface

Parameter

Symbol

Min

Typical

Max

Unit

Data rate per lane

BR


53.125


GBd

Modulation format


PAM4


Center Wavelength

λ

1304.5

1311.0

1317.5

nm

Damage threshold

THD

5



dBm

Average receive power, each lane


-5.9


4.0

dBm

Average receive power, each lane


-5.9


4.0

dBm

Receiver reflectance

Rr



-26

dB

Receiver sensitivity, each lane1

SEN

Max(-3.9, SECQ-5.3)

dBm

Stressed receiver sensitivity, each lane

SRS



-1.9

dBm

Rx LOS

LOS Assert


-15


-7.9

dBm

LOS De-assert




-7.5

dBm

LOS Hysteresis


0.5



dB

Note:

1. Receiver sensitivity is informative and is defined for a transmitter with a value of SECQ. Measured with conformance test signal at TP3 for BER = 2.4E-4 Pre-FEC.


Module input characteristics

Parameter

Min

Typical

Max

Unit

Supply Voltage

3.135


3.465

V

Input Differential Impedance

90

100

110

Ω

Differential data input swing



880

mVpp

Differential data output swing



900

mVpp

Bit Error Rate



2.4E-4


Input Logic Level High

2


Vcc

V

Input Logic Level Low

0


0.8

V

Output Logic Level High

Vcc-0.5


Vcc

V

Output Logic Level Low

0


0.4

V


Digital Diagnostic Monitor Accuracy

The following characteristics are defined over recommended operating conditions.

Parameter

Accuracy

Unit

Internally Measured Transceiver Temperature

+/-3

Internally Measured Transceiver Supply Voltage

+/-3

%

Measured Tx Bias Current

+/-10

%

Measured Tx Output Power

+/-3

dB

Measured Rx Received Average Optical Power

+/-3

dB


Package dimensions

400G QSFP-DD DR4


Ordering Information

Part Number

Temperature Range

Distance

Fiber Type

E/O

O/E

RQDD-400G-DR4

0 to 70℃

500m

SMF

Siph DFB

Siph PIN



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