1BiCMOS Pulldown Circuit 2 3VSS 2 0 0v 4 5VIN 3 2 0v (PULSE 0.0v 4.2v 0ns 1ns 1ns 9ns 20ns) 6 7M1 8 3 5 11 M_NMOS_1 W=4u L=1u 8VD 4 8 0v 9VBK 11 2 0v 10 11Q1 10 7 9 M_NPN AREA=8 12VC 4 10 0v 13VB 5 7 0v 14VE 9 2 0v 15 16CL 4 6 1pF 17VL 6 2 0v 18 19.IC V(10)=5.0v V(7)=0.0v 20.TRAN 0.1ns 5ns 0ns 0.1ns 21.PLOT TRAN I(VIN) 22 23.include bicmos.lib 24 25.OPTIONS ACCT BYPASS=1 26.END 27