The standards the hardware team must follow when writing requirements and creating the design, such as requirements writing rules, design language coding rules, design practices for programmable logic and board design rules.
Guide or manual Work product in the Avionics and airborne electronics lifecycle
Design standards make designs consistent, reviewable and less prone to known error types, and DO-254 reviews check compliance with them. Engineers following personal habits produce reviews that debate style rather than correctness, and known hazards such as unsafe clock domain crossings slip through.
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