SIRIUS-TCM-LEON3FT
AAC Clyde Space
SmallSat mass memory and CCSDS stack module with LEON3FT at 50 MHz, 32 GB storage, S/X-band interfaces. TRL 9, flown since 2021, 5-year LEO design life.
Technical specifications
- Expected Life
- 5 years in LEO
- Processor
- 32-bit LEON3FT SPARC v8 @ 50 MHz
- SDRAM
- 64 MB post-EDAC
- Mass Memory Storage
- 32 GB post-EDAC
- Operating Temperature
- -30 to +60 C
- Power Supply Input
- 4.5V to 16V
- Nominal Power Consumption
- 1.3 W
- SpaceWire
- 50 Mbps, 2 interfaces
- CCSDS S-Band Interface
- RS422 level
- CCSDS X-Band Interface
- LVDS level
- Mass
- 130 g
- Dimensions
- 95.89 x 90.17 x 17.20 mm
About
The SIRIUS-TCM-LEON3FT combines mass memory and CCSDS stack with a 32-bit LEON3FT (SPARC v8) fault-tolerant processor at 50 MHz with RTEMS. Receives and stores payload and housekeeping data while distributing telecommands and serving mass memory data to the transceiver. Features: 32 GB mass storage (post-EDAC), TMR on FPGA, memory scrubbing, S-band RS422 and X-band LVDS transceiver CCSDS interfaces, SpaceWire at 50 Mbps. Supports in-orbit software updates. Qualified for 5 years in LEO. TRL 9, flown since 2021.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.
