Crystal, v.2 : build squarer.sim [0:00.2u 0:00.1s 131k] : delay q5 -1 0 Marking transistor flow... Setting Vdd to 1... Setting GND to 0... (161 stages examined.) [0:00.0u 0:00.0s 156k] : critical Node a4 is driven high at 129.92ns ...through fet at (539, -187) to 19_23/out ...through fet at (515, -168) to 19_23/6_236_134# after 19_23/6_32_68# is driven low at 117.92ns ...through fet at (467, -196) to GND after 19_24/co is driven high at 116.47ns ...through fet at (597, -167) to 19_24/6_8_126# ...through fet at (597, -157) to Vdd after 19_24/6_32_68# is driven low at 102.49ns ...through fet at (639, -196) to GND after 19_25/co is driven high at 101.05ns ...through fet at (769, -167) to 19_25/6_8_126# ...through fet at (769, -157) to Vdd after 19_25/6_32_68# is driven low at 87.13ns ...through fet at (811, -196) to GND after 19_26/co is driven high at 85.69ns ...through fet at (940, -167) to 19_26/6_8_126# ...through fet at (940, -157) to Vdd after 19_26/6_32_68# is driven low at 71.76ns ...through fet at (982, -196) to GND after 19_27/co is driven high at 70.32ns ...through fet at (1092, -165) to 19_27/6_17_124# ...through fet at (1092, -157) to Vdd after 19_27/6_21_40# is driven low at 55.30ns ...through fet at (1133, -196) to GND after 19_27/A is driven high at 53.66ns ...through fet at (1238, -165) to 19_27/S ...through fet at (1226, -187) to 19_27/out ...through fet at (1202, -168) to 19_27/6_236_134# ...through fet at (1202, -162) to 19_27/6_236_120# ...through fet at (1202, -157) to Vdd after 19_29/E is driven high at 20.01ns ...through fet at (-132, -159) to Vdd after q5 is driven low at 0.00ns [0:00.0u 0:00.0s 156k] :