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Altera_Forum
Honored Contributor
14 years agoCyclone III Latch Not Latching
Hello all, I have a peculiar problem. I have been tasked with solving a problem that affects some of our production units but not others (even though the FPGA part number and configuration are ...
Altera_Forum
Honored Contributor
14 years ago --- Quote Start --- I would expect crosstalk of external signals to the# R input. --- Quote End --- --- Quote Start --- I think the possibility of a real interfering signal (crosstalk, ground bounce) should be considered --- Quote End --- The external signals are 'test-outputs'. I wouldn't expect these to inject crosstalk, or ground-bounce at the internal LUT? As I don't see that internal crosstalk or ground-bounce can be the cause, the most probable cause is a glitch on the internal blue signal. Unfortunately we don't see the circuitry feeding the blue signal.