AC 20-152

The Advisory Circular AC 20-152, Design Assurance Guidance for Airborne Electronic Hardware, identifies the RTCA-published standard DO-254 as defining "an acceptable means, but not the only means" to secure FAA approval of complex custom micro-coded components within aircraft systems with Item Design Assurance Levels (IDAL) of A, B, or C.[1] Specifically excluding COTS microcontrollers,[2] complex custom micro-coded components include field programmable gate arrays (FPGA), programmable logic devices (PLD), and application-specific integrated circuits (ASIC), particularly in cases where correctness and safety can not be verified with testing alone, necessitating methodical design assurance.[3] Application of DO-254 to IDAL D components is optional.

References

AC 20-152, FAA, Office AIR-100, 2007.
AC 20-152, FAA, Office AIR-100, page 2, 2007.
"Simple Electronic Hardware and RTCA Document DO-254 and EUROCAE Document ED-80, Design Assurance Guidance for Airborne Electronic Hardware" (PDF). Certification Authorities Software Team Position. FAA (CAST-30). August 2007. Retrieved 2019-09-30.

External links

AC 20-152, Design Assurance Guidance for Airborne Electronic Hardware

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[1] AC 20-152, FAA, Office AIR-100, 2007.

[2] AC 20-152, FAA, Office AIR-100, page 2, 2007.

[3] "Simple Electronic Hardware and RTCA Document DO-254 and EUROCAE Document ED-80, Design Assurance Guidance for Airborne Electronic Hardware" (PDF). Certification Authorities Software Team Position. FAA (CAST-30). August 2007. Retrieved 2019-09-30.