SIRIUS-OBC-LEON3FT
AAC Clyde Space
The SIRIUS-OBC-LEON3FT is a flight-proven CubeSat Onboard Computer (OBC) designed for 'always-on' reliable operations in advanced satellite constellations and deep space exploration missions.
Typed specifications53 values
Discloses 10 of 13 fields engineers filter by in this category (category median 5).
- Processor
- 32-bit LEON3FT (IEEE-1754 SPARC v8) fault-tolerant processor datasheet p.2
- Mass
- 130 g nom. · datasheet p.2 130 g
- CPU clock
- 50 MHz datasheet p.2
- Envelope (L×W×H)
- 95.89 mm x 90.17 mm x 17.20 mm datasheet p.2
- RAM
- 64 MB post-EDAC · datasheet p.2 64 MB SDRAM, post-EDAC
- Mass storage
- 2 GB Nonvolatile System Memory Nand Flash, post-EDAC · datasheet p.2
- Operating system
- RTEMS real-time operating system (RTOS) datasheet p.1 RTEMS RTEMS real-time operating system (RTOS) compliant to IEEE 175…
- Supply voltage
- 4.5 V product page 4.5 V min | 16 V max | 4.5–16 V
- Power consumption
- 1.3 W Nominal · datasheet p.2 1.3 W nom. · Nominal Power Consumption
- Data interface
- GPIO 16x, 3.3 V logic · datasheet p.2 JTAG 1x, CPU debugging via GRMON/GDB | SpaceWire 2x, 50 Mbps; +2x on daughter board | CAN 2x, implemented on optional daughter board | SpaceWire 50 Mbps +12
- Operating temperature
- -30–60 °C datasheet p.2
- Radiation tolerance (TID)
- 20 krad qualified >30 kRAD, Si · datasheet p.2 30 krad min · qualified >30 kRAD, Si
- Design lifetime
- 5 years expected, in LEO · datasheet p.2 5 years in LEO
- Processor architecture
- LEON / SPARC LEON3FT, IEEE-1754 SPARC v8 · datasheet p.2
- Radiation and fault mitigation
- latch-up protection (current limiting) autonomous single event latch-up protection in logic and data… · datasheet p.1 EDAC / ECC on RAM EDAC on memories, boot flash | TMR in FPGA TMR (Triple-Modular Redundancy) on all FPGA flip-flops | latch-up protection (current limiting) | TMR in FPGA
- Flight heritage
- over a decade of design heritage datasheet p.1
- Satellite class
- CubeSat datasheet p.1
- FPGA
- TMR (Triple-Modular Redundancy) on all FPGA flip-flops datasheet p.1
- GPIO lines
- 16 3.3 V logic · datasheet p.2
- RAM type
- SDRAM datasheet p.2
- Program / boot memory
- 0.016 MB NVRAM, post-EDAC · datasheet p.2
- Redundancy
- single string standard single string system; modules can be combined to off… · datasheet p.1
- Data interface speed
- 50 Mbps SpaceWire · datasheet p.2
- Analog inputs
- 8 buffered analog input, 24 bit, up to 31250 SPS · datasheet p.2
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier14 lines, in the manufacturer's own wording
- Expected lifespan
- 5 years in LEO
- Processor
- 32-bit LEON3FT SPARC v8 @ 50 MHz
- Sdram
- 64 MB post-EDAC
- Nvram
- 16 kB post-EDAC
- Nand flash
- 2 GB post-EDAC
- Operating temperature
- -30 to +60 C
- Power supply input
- 4.5 V to 16 V
- Radiation (TiD)
- 20 kRAD (qualified >30 kRAD, Si)
- Spacewire
- 50 Mbps, 2 interfaces
- Serial ports RS422/RS485
- 6 UARTs
- Gpio
- 16 (3.3 V logic)
- Power
- 1.3 W
- Mass
- 130 g
- Dimensions
- 95.89 x 90.17 x 17.20 mm
About
The SIRIUS-OBC-LEON3FT is a CubeSat Onboard Computer (OBC) developed to deliver ‘always-on’ operation. It is flight-proven across multiple mission applications for a range of customer requirements and has inherited advanced error detection and correction capabilities. This OBC is designed for advanced satellite constellations in Low Earth Orbit (LEO) and deep space exploration missions, providing precision performance and dependable data through its proven LEON technology. The product is part of a family of solutions that includes the KRYTEN-M3 and Kryten-M3-PLUS, the Q7S command and data handling solution for price-sensitive commercial missions, the Sirius QuadCore for advanced satellite constellations, and the SIRIUS-TCM-LEON3FT for SmallSat mass memory and communications protocol. A development kit, the SIRIUS OBC LEON3FT DEVELOPMENT KIT, is also available for this product.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.