OSFP-SR8-800G-FL Data Sheet

Oct 15, 2025 - OSFP-SR8-800G-FL Data Sheet Application InfiniBand and Ethernet Switches, Servers, Routers, Storage Arrays Networking Equipment Data Centres Telecommunication Central Offices Test and Measurement Equipment Standards • Compliant with CMIS Rev 5.0 • Compliant with IEEE 802.3-2022: 8x100GBASE-VR1 optical interface • Compliant with IEEE 802.3ck-2022: 8x100GAUI-1 C2M electrical interface • Complies with EU Directive 2011/65/EU (RoHS compliant) • Compliant with InfiniBand Trade Association (IBTA) Specification 1.6: InfiniBand NDR electrical and optical interface • Compliant with OSFP MSA Specification Rev 5.0 RHS housing(with the longer body:107.8mm) with Dual MPO- 12/APC receptacle Features • Hot-pluggable OSFP form factor • VCSEL transmitter and PIN PD receiver • Support 850Gb/s aggregate bit rate • Support both 8x100G Ethernet and InfiniBand NDR • Case operating temperature 0°C to 70°C • Power dissipation < 16W • Two wire serial Interface with digital diagnostic monitoring • Class 1 Laser Description The OSFP Optical Transceiver is an InfiniBand 800Gb/s 2x400Gb/s Twin-port OSFP, SR8 multimode, parallel, 8-channel transceiver using two, 2-fiber, 4-channel MPO-12/APC optical connectors at 400Gb/s each. The parallel multimode, short reach 8-channel (SR8) uses 100G-PAM4 modulation and has a maximum fiber reach of 50-meters using 8 multimode fibers. It is qualified for use in InfiniBand NDR end-to-end systems. It is the ideal solution for supercomputing and HPC industries, seamlessly integrating into computing and storage infrastructure to ensure efficient high-performance interconnectivity. The flat-top version is suitable for liquid-cooled and DGX H100/Cedar-7 system links. Product Specifications I. Absolute Maximum Ratings Parameter Symbol Min. Max. Unit Note Storage Temperature Ts -40 85 ℃ Supply Voltage Vcc -0.5 3.6 V Relative Humidity (non-condensing) RH 5 85 % Data Input Voltage Differential lVDIP-VDINl - 1 V Control Input Voltage VI -0.3 VCC+0.5 V Control Output Current IO -20 20 mA II. Recommended Operating Conditions Parameter Symbol Min. Typical Max. Unit Notes Operating Case Temperature TOPR 0 70 ºC 1 Power Supply Voltage VCC 3.135 3.3 3.465 V Instantaneous peak current at hot plug ICC_IP 6400 mA Sustained peak current at hot plug ICC_SP 5328 mA Maximum Power Dissipation PD 16 W Maximum Power Dissipation, Low Power Mode PDLP 2 W Signalling Speed per Lane DRL 53.125 GBd Control Input Voltage High VIH VCC*0.7 VCC+0.3 V Control Input Voltage Low VIL -0.3 VCC*0.3 V Two Wire Serial Interface Clock Rate 400 kHz Power Supply Noise 1 kHz - 1 MHz (p-p) 66 mVpp Operating Distance 2 50 m 1 Notes: 1. 0.5m to 30m for OM3, 0.5m to 50m for OM4 and OM5, with FEC. Ⅲ. Transmitter Optical Characteristics Parameter Symbol Min. Typical Max. Unit Notes Signaling rate, each lane (range) 53.125 ± 100 ppm GBd Wavelength λC 844 860 nm RMS spectral width RMS 0.65 dB 1 Average Launch Power, each lane AOPL -4.6 4 dBm Outer Optical Modulation Amplitude (OMAouter), each lane for max (TECQ, TDECQ) <= 1.8 dB for 1.8 < max (TECQ, TDECQ) <= 4.4 dB OMAouter -2.6 -4.4+max(TECQ, TDECQ) 3.5 dBm Transmitter and Dispersion Eye Closure for PAM4 (TDECQ), each lane TDECQ 4.4 dB Transmitter eye closure for PAM4 (TECQ), each lane TECQ 4.4 dB Over/under-shoot 29 % Transmitter power excursion, each lane 2.3 dBm Average Launch Power of OFF Transmitter, each lane TOFF -30 dBm Extinction Ratio, each lane ER 2.5 dB Transmitter transition time, each lane Tr 17 ps RIN14OMA RIN -132 dB/Hz Optical return loss tolerance ORL 14 dB Encircled flux >=86% at 19μm <=30% at 4.5μm Notes: 1. RMS spectral width is the standard deviation of the spectrum. IV. Receiver Optical Characteristics Parameter Symbol Min. Typical Max. Unit Notes Signaling rate, each lane (range) 53.125 ± 100 ppm GBd Wavelength λC0 840 860 nm Damage Threshold, each Lane AOPD 5 dBm Average Receive Power, each Lane AOPR -6.3 4 dBm Receive Power (OMAouter), each Lane OMAR 3.5 dBm Receiver Reflectance RR -15 dB Receiver sensitivity (OMAouter) for TECQ < 1.4 dB for 1.4 dB <=TECQ<=3.4 dB SOMA –4.4 –6.2 + TECQ dBm Stressed Receiver Sensitivity (OMAouter), each Lane SRS -1.8 dBm 1 Conditions of stressed receiver sensitivity test Stressed eye closure for PAM4 (SECQ), lane under test SECQ 4.4 dB OMAouter of each aggressor lane 3.5 dBm Notes: 1. Measured with conformance test signal at TP3 for the BER = 2.4x10-4. V. Electrical Characteristics High Speed Signal Receiver (Module Output, TP4) Parameter Symbol Min. Typical Max. Unit Notes Peak-to-peak AC common-mode voltage Low-frequency, VCMLF Full-band, VCMFB 32 80 mV Differential peak-to-peak output voltage Short mode Long mode 600 845 mV Eye height EH 15 mV Vertical eye closure VEC 12 dB Common-mode to differential-mode return loss RLDc 802.3ck 120G-1 dB Effective return loss ERL 8.5 dB Differential termination mismatch 10 % Transition time 8.5 - ps DC common-mode voltage tolerance -0.35 2.85 V Transmitter (Module Input, TP1) Parameter Symbol Min. Typical Max. Unit Notes Differential pk-pk input Voltage tolerance (TP1a) 750 mV Peak-to-peak AC common-mode voltage tolerance Low-frequency, VCMLF Full-band, VCMFB 32 80 mV Differential-mode to common-mode return loss RLcd 802.3ck 120G-2 dB Effective return loss ERL 8.5 dB Differential termination mismatch 10 % Single-ended voltage tolerance range -0.4 3.3 V DC common-mode voltage tolerance -0.35 2.85 V Low Speed Signals Parameter Symbol Min. Max. Unit Condition Module output SCL and SDA VOL 0 0.4 V Module Input SCL and SDA VIL -0.3 VCC*0.3 V VIH VCC*0.7 VCC+0.5 V INT/RSTn Comply with OSFP MSA 5.0 Table 13-4 VI. Pin Function Definitions image.png Figure 1 – Pinout definitions of OSFP module inputs/outputs Pin # Symbol Description Logic Pin # Symbol Description Logic 1 GND Ground 31 GND Ground 2 TX2p Transmitter Data Non-Inverted CML-I 32 RX2p Receiver Data Non-Inverted CML-O 3 TX2n Transmitter Data Inverted CML-I 33 RX2n Receiver Data Inverted CML-O 4 GND Ground 34 GND Ground 5 TX4p Transmitter Data Non-Inverted CML-I 35 RX4p Receiver Data Non-Inverted CML-O 6 TX4n Transmitter Data Inverted CML-I 36 RX4n Receiver Data Inverted CML-O 7 GND Ground 37 GND Ground 8 TX6p Transmitter Data Non-Inverted CML-I 38 RX6p Receiver Data Non-Inverted CML-O 9 TX6n Transmitter Data Inverted CML-I 39 RX6n Receiver Data Inverted CML-O 10 GND Ground 40 GND Ground 11 TX8p Transmitter Data Non-Inverted CML-I 41 RX8p Receiver Data Non-Inverted CML-O 12 TX8n Transmitter Data Inverted CML-I 42 RX8n Receiver Data Inverted CML-O 13 GND Ground 43 GND Ground 14 SCL 2-wire Serial interface clock LVCMOS- I/O 44 INT/RST n Module Interrupt / Module Reset Multi- Level 15 VCC +3.3V Power 45 VCC +3.3V Power 16 VCC +3.3V Power 46 VCC +3.3V Power 17 LPWn/P RSn Low-Power Mode / Module Present Multi-Level 47 SDA 2-wire Serial interface data LVCM OS-I/O 18 GND Ground 48 GND Ground 19 RX7n Receiver Data Inverted CML-O 49 TX7n Transmitter Data Inverted CML-I 20 RX7p Receiver Data Non-Inverted CML-O 50 TX7p Transmitter Data Non-Inverted CML-I 21 GND Ground 51 GND Ground 22 RX5n Receiver Data Inverted CML-O 52 TX5n Transmitter Data Inverted CML-I 23 RX5p Receiver Data Non-Inverted CML-O 53 TX5p Transmitter Data Non-Inverted CML-I 24 GND Ground 54 GND Ground 25 RX3n Receiver Data Inverted CML-O 55 TX3n Transmitter Data Inverted CML-I 26 RX3p Receiver Data Non-Inverted CML-O 56 TX3p Transmitter Data Non-Inverted CML-I 27 GND Ground 57 GND Ground 28 RX1n Receiver Data Inverted CML-O 58 TX1n Transmitter Data Inverted CML-I 29 RX1p Receiver Data Non-Inverted CML-O 59 TX1p Transmitter Data Non-Inverted CML-I 30 GND Ground 60 GND Ground VII. Recommended OSFP Host Board Schematic image.png Figure 2 – Recommended OSFP Host Board Schematic IX. Digital Diagnostics Parameter Range Accuracy Unit Calibration Temperature 0 to 70 ±3 ºC Internal Voltage 3.135 to 3.465 ±3% V Internal Tx Bias Current (Each Lane) 0 to 15 10% mA Internal Tx Output Power (Each Lane) -4.6 to +4 ±3 dB Internal Rx Receive Power (Each Lane) -6.3 to +4 ±3 dB Internal X. Mechanical Diagram image.png Test Center I. Compatibility Testing Each fiber optical transceiver has been tested in host device on site in FS Assured Program to ensure full compatibility with over 200 vendors. image.png Above is part of our test bed network equipment. For more information, please click the Test Bed PDF. It will be updated in real time as we expand our portfolio. II. Performance Testing Each fiber optical transceiver has been fully tested in FS Assured Program equipped with world's most advanced analytical equipment to ensure that our transceivers work perfectly on your device. image.png Order Information Part Number Description OSFP-SR8-800G-FL 800GBASE 2x SR4/SR8 OSFP Flat Top PAM4 850nm 50m DOM Dual MPO-12/APC MMF Optical Transceiver Module

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