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DFT Violation Intro 3: Floating Nets and X-Source Checks

 

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Simulation mismatches between RTL and Synthezied netlist - 1

Sensitivity List 1. Synthesis tools infer combinational or latching logic from an always block with a sensitivity list that does not contain the Verilog keywords posedge or negedge. 2. Extra signal in sensitivity list increases the need for compute resources 3. The synthesized logic described by the equations in an always block will always be implemented as if the sensitivity list were complete. 4. If there any signal missing in sensitivity list those signals won't trigger the execution of a block of code 5. If there are no signals in sensitivity list, the code may run infintely if not caught by tool  code: https://edaplayground.com/x/QaGF