*One-shot Trigger.*This cicruit generates a pulse of a predetermined width *triggered by an input event. BSIM3v3.1 test.*A two-gate delay elementMd1 4 in Vdd Vdd  PMOS w=3.6u l=1.2uMd2 4 in 0 0 NMOS w=1.8u l=1.2uc4 4 0 30fMd3 A 4 Vdd Vdd  PMOS w=3.6u l=1.2uMd4 A 4 0 0 NMOS w=1.8u l=1.2uca a 0 30f*EXOR gate*A inverterM1 Anot A Vdd Vdd  PMOS w=3.6u l=1.2uM2 Anot A 0 0 NMOS w=1.8u l=1.2uM3 Bnot in Vdd Vdd  PMOS w=3.6u l=1.2uM4 Bnot in 0 0 NMOS w=1.8u l=1.2uM5 AorBnot 0 Vdd Vdd PMOS w=1.8u l=3.6uM6 AorBnot in 1 0 NMOS w=1.8u l=1.2uM7 1 Anot 0 0 NMOS w=1.8u l=1.2uM8 Lnot 0 Vdd Vdd PMOS w=1.8u l=3.6uM9 Lnot Bnot 2 0 NMOS w=1.8u l=1.2uM10 2 A 0 0 NMOS w=1.8u l=1.2uM11 out 0 Vdd Vdd PMOS w=3.6u l=3.6uM12 out AorBnot 3 0 NMOS w=1.8u l=1.2uM13 3 Lnot 0 0 NMOS w=1.8u l=1.2u*end of EXOR gateVcc vdd 0 5vin in 0 pulse 0 5 1ns .1ns .1ns .8ns 5ns.model nmos nmos level=50.model pmos pmos level=50.tran 1ns 10ns.print tran in out.option post.END