100G QSFP28 DAC direct attach cable
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Contact NowQSFP28 Direct Attach Cables are compliant with the SFF-8665 specifications. Various choices of wire gauge are available from 30 to 24 AWG with various choices of cable length up to 5m .
Features
• Compliant with SFF- 8665
• Up to 28.3125Gbps data rate per channel
• Up to 5m transmission
• Operating temperature: 0~70℃
• Single 3.3V power supply
• RoHS compliant
Benefits
• Cost-effective copper solution
• Lowest total system power solution
• Lowest total system EMI solution
• Optimized design for Signal Integrity
Applications
• 100G Ethernet
General Product Characteristics
|
QSFP+ DAC Specifications |
|
|
Number of Lanes |
Tx & Rx |
|
Channel Data Rate |
28.3125 Gbps |
|
Operating Temperature |
0 to + 70°C |
|
Storage Temperature |
-40 to + 85°C |
|
Supply Voltage |
3.3 V nominal |
|
Electrical Interface |
38 pins edge connector |
|
Management Interface |
Serial, I2C |
High Speed Characteristics
|
Parameter |
Symbol |
Min |
Typ |
Max |
Units |
Notes |
|
Differential Impedance |
Zd |
90 |
100 |
110 |
Ω |
|
|
Differential Input Return Loss |
SDDXX |
<-12+2* SQRT (f) with f in GHz |
dB |
0.01~4.1GHz |
||
|
<-6.3+13* Log10/(f/5.5) with f in GHz |
dB |
4.1~19GHz |
||||
|
Common Mode Output Return Loss |
SCCXX |
< -7+1.6*f with f in GHz |
dB |
0.01~12.89GHz |
||
|
|
|
-3 |
dB |
12.89~19GHz |
||
|
Difference Waveform Distortion Penalty |
dWDPc |
|
|
6.75 |
dB |
|
|
VMA Loss |
L |
|
|
4.4 |
dB
|
|
|
VMA Loss to Crosstalk Ratio |
VCR |
32.5 |
|
|
dB |
|
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