GEN1 SIGNAL INTEGRITY GEN2 SIGNAL INTEGRITY
1986 to 2006 2007 to Present
Parallel Serial
8 MHz to 3 GHz 4 to 70 GHz
System of ICs IC dictates System
Mysterious “black magic” Basic Science
Buffer VI/Slew SerDes Equalization
Trace Length Rules P/N Symmetry
Common & Source Clocks Recovered Clock
AC Timings Eye Diagrams, BER
Topology / Termination Point-to-Point
Trace Impedance Feature Impedance
Flight Time Loss, Discontinuities
Ground Planes Ground Returns/Grids
Stackup Weave & Copper Profiles