Often substrate noise analysis takes place when everything is there on the chip, but that stage comes near the tape-out which is too late to make major changes in architecture, placement, introducing noise protection circuitry for the victims and so on. It was okay when there used to be very little analog content on the chip. But … Read More
When Cadence acquired Sigrity in 2012, two motives were involved: get more competitive in state of the art signal integrity analysis, and grab a foothold into the other vendor’s PCB flows in an area that is developing as a real sore spot for digital designers.
Just as the days where PCB tape-out meant actually using tape are over, … Read More