Product 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
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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 |
Optical Specification
(Transmitter Optical Interface)
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Data rate per lane |
DR |
53.125 |
GBd |
||
|
Modulation format |
PAM4 |
||||
|
Center Wavelength |
λ |
1304.5 |
1311.0 |
1317.5 |
nm |
|
Side-mode suppression ratio |
SMSR |
30 |
dB |
||
|
Average launch power, each lane |
PAVG |
-2.9 |
4.0 |
dBm |
|
|
Outer Optical Modulation Amplitude (OMA outer), each lane |
POMA |
-0.8 |
4.2 |
dBm |
|
|
Launch power in OMA outer minus TDECQ |
-2.2 |
dBm |
|||
|
Transmitter and dispersion eye closure (TDECQ), each lane |
TECQ |
3.4 |
dB |
||
|
Extinction Ratio |
ER |
3.5 |
dB |
||
|
Optical Return Loss Tolerance |
TOL |
21.4 |
dB/Hz |
||
|
Optical Power for TX DISABLE |
POFF |
-15 |
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 |
||||
|
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.
Electrical Specification
|
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 |
||
Ordering Information
|
Part Number |
Description |
|
400G-DR4 |
400G QSFP-DD DR4,MPO12,500m, SMF |
FAQ
Q: What is a QSFP-DD DR4 optical transceiver?
Q: What types of networks can use a QSFP-DD DR4 optical transceiver?
