74HCU04 Spice Model found and posted...

Here it is:

** Typical Model for 74HCU04 Unbuffered Inverter ** Rescued from 1993 Archives ;-)

.SUBCKT MyHCU04 IN OUT VP VN Cnetstray1 OUT VN 4p Cnetstray2 IN VN 4p RPOLY IN 2A 450 MU OUT 2A VP VP P1 L=1.76u W=654U AD=5559P AS=5559P PD=1325U PS=1325U NRD=6.116m NRS=6.116m ML OUT 2A VN VN N1 L=1.76u W=182U AD=1547P AS=1547P PD=381U PS=381U NRD=22m NRS=22m

** *.LIB TYP .MODEL N1 NMOS + LEVEL = 3 + NSS = 0.00000E+00 VTO = 8.00000E-01 TOX = 2.30000E-08 + XJ = 7.47842E-08 LD = 0.04500E-06 RSH = 65 + NSUB = 2.77696E+16 NFS = 1.26234E+11 UO = 5.82719E+02 + VMAX = 2.65458E+05 DELTA = 8.81407E-01 THETA = 5.29522E-02 + ETA = 3.52580E-02 KAPPA = 2.15314E-01 + CGSO = 6.75E-11 CGDO = 6.75E-11 CGBO = 0.00 + CJ = 3.82E-04 CJSW = 1.25E-09 PB = 1.231 + MJ = 0.396 MJSW = 0.221 TPG = 1 + DW =-0.46000E-06 DL =-0.42000E-06 + XQC = 1

• .MODEL P1 PMOS + LEVEL = 3 + NSS = 0.00000E+00 VTO =-9.00000E-01 TOX = 2.30000E-08 + XJ = 8.32522E-08 LD = 0.03500E-06 RSH = 125 + NSUB = 1.33990E+16 NFS = 7.19190E+11 UO = 1.92014E+02 + VMAX = 4.16775E+07 DELTA = 5.63546E-01 THETA = 1.22160E-01 + ETA = 4.96427E-02 KAPPA = 5.00000E-02 + CGSO = 5.25E-11 CGDO = 5.25E-11 CGBO = 0.00 + CJ = 4.01E-04 CJSW = 1.237E-09 PB = 0.723 + MJ = 0.452 MJSW = 0.186 TPG = -1 + DW =-0.46000E-06 DL =-0.44000E-06 + XQC = 1 .ENDS MyHCU04