QSFP28-100G-SR4 850nm 100m
100Gbps Multimode 100Meter QSFP28 Transceiver
DESCRIPTION
The100Gb/s QSFP28 SR4 transceiver is compliant with the QSFP28 MSA and IEEE 802.3bm. QSFP28 SR4 is an assembly of four full-duplex lanes, where each lane is capable of transmitting data at rates up to 25.78Gb/s, providing an aggregated rate of 103.125Gb/s.
FEATURES
Four-channel full-duplex transceiver
25.78Gb/s data rate per channel
Maximum link length of 70m on OM3(MMF) ,100m on OM4 (MMF)
Power dissipation < 2.5W
Built-in digital diagnostic functions
Built-in CDR
850nm VCSEL transmitter
Good EMI performance
Single 3.3V power supply
RoHS compliant
Operating case temperature: 0~+70°C
APPLICATION
- 100GBASE-SR4100G Ethernet
- 40GBASE-SR440G Ethernet
- High-speedinterconnects within/between switches, routers and transport equipment
- Server-serverclusters
- Super-computinginterconnections
Interconnects rack-to-rack, shelf-to-shelf, board-to-board, board-to-optical backplane
ABSOLUTE MAXIMUM RATINGS (TC=25°C, 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 |
ºC |
|
|
Maximum Supply Voltage |
Vcc |
-0.3 |
- |
3.6 |
V |
|
|
Operating Relative Humidity |
RH |
15 |
- |
+85 |
% |
RECOMMENDED OPERATING CONDITIONS
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
|
Data Rate |
DR |
|
|
103.1 |
Gb/s |
1 |
|
Bit Error Rate |
BER |
|
|
5E-5 |
|
2 |
|
Operating Case Temperature |
Tcase |
0 |
|
70 |
ºC |
|
|
Fiber Length on MMF(OM4) |
L |
|
|
100 |
m |
3 |
Notes:
- Supports 100GBASE-SR4per IEEE 3bm.
- Testedwith a 231 – 1 PRBS.
Requires FEC on the host to support maximum distance, per 100GBASE-SR4.
Optical Specifiction
|
Parameter |
Symbol |
Min |
Typical |
Max |
Units |
Notes |
||||||||
|
Transmitter |
||||||||||||||
|
Signaling rate per lane |
|
25.78125±100ppm |
Gb/s |
1 |
||||||||||
|
Center wavelength |
λ |
840 |
850 |
860 |
nm |
|
||||||||
|
Transmit OMA per Lane |
TXP |
-6.4 |
|
|
|
3 |
dBm |
|
||||||
|
Transmit Average Power per Lane |
Pout |
-8.4 |
|
|
|
2.4 |
dBm |
|
||||||
|
Optical Extinction Ratio |
ER |
3 |
|
|
|
dB |
|
|||||||
|
TDEC per Lane |
TDEC |
|
|
|
5 |
dB |
|
|||||||
|
Average launch power of OFF transmitter, per lane |
|
|
|
|
|
-30 |
dBm |
|
||||||
|
Optical return loss tolerance |
RL |
|
|
|
|
12 |
dB |
|
||||||
|
Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3}
|
|
{0.28, 0.34, 0.43, 0.36, 0.44, 0.4} |
|
2 |
||||||||||
|
Receiver |
|
-130 |
||||||||||||
|
Signaling rate per lane |
|
25.78125±100ppm |
Gb/s |
1 |
||||||||||
|
Damage Threshold |
DT |
3.4 |
|
|
|
|
||||||||
|
Average Receive Power per Lane |
RXP |
-10.3 |
|
2.4 |
dBm |
|
||||||||
|
Receive Power (OMA) per Lane |
RxOMA |
|
|
3 |
dBm |
|
||||||||
|
Receiver Reflectance |
Rfl |
|
|
-12 |
dB |
|
||||||||
|
Receive Sensitivity in OMA, each Lane |
SEN |
|
|
-5.6 |
dBm |
2 |
||||||||
|
LOS De-Assert |
LOSD |
|
|
-13 |
dBm |
|
||||||||
|
LOS Assert |
LOSA |
-30 |
|
|
dBm |
|
||||||||
|
LOS Hysteresis |
LOSh |
0.5 |
|
|
dB |
|
||||||||
Notes:
- Transmitter andReceiver consists of 4 lasers and photodiode operating at 78Gb/s each.
Sensitivity is specified at 5E(-5)BER.
Ordering information
|
Part Number |
Product Description |
|
BT-QSFP28-SR4 |
850nm, 100Gbps, MPO, 100m, 0°C~+70°C, with DDM |
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