When it comes to Appendix B you could spend more time discussing architectural mitigation in the context of the FAA Advisory Circular AC 20-152 which as you mentioned reduced the scope of DO-254 from all hardware to complex custom micro-coded components which include ASICs, PLDs, FPGAs, or similar electronic components that are used in your design. Also one should note that you may have a customer who has the expectation of a full DO-254 effort yet the supplier is operating under AC 20-152. This could potentially add risk to a program if not addressed early.
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When it comes to Appendix B you could spend more time discussing architectural mitigation in the context of the FAA Advisory Circular AC 20-152 which as you mentioned reduced the scope of DO-254 from all hardware to complex custom micro-coded components which include ASICs, PLDs, FPGAs, or similar electronic components that are used in your design. Also one should note that you may have a customer who has the expectation of a full DO-254 effort yet the supplier is operating under AC 20-152. This could potentially add risk to a program if not addressed early.
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