*Dec 03, 2012
*ECN S12-2848, Rev. B
*This document is intended as a SPICE modeling guideline and does not
*constitute a commercial product datasheet. Designers should refer to the
*appropriate datasheet of the same number for guaranteed specification
*limits.
.SUBCKT Si4401DDY D G S 
M1 3 GX S S PMOS W= 7630000u L= 0.25u 
M2 S GX S D NMOS W= 7630000u L= 4.009e-07 
R1 D 3 9.275e-03 5.807e-03 5.418e-06 
CGS GX S 1.673e-09 
CGD GX D 4.003e-11 
RG G GY 2
RTCV 100 S 1e6 -1.032e-05 -1.796e-07 
ETCV GY GX 100 200 1 
ITCV S 100 1u 
VTCV 200 S 1 
DBD D S DBD 
**************************************************************** 
.MODEL PMOS PMOS ( LEVEL = 3 TOX = 5e-8 
+ RS = 7.090e-04 KP = 2.134e-06 NSUB = 5.401e+16 
+ KAPPA = 4.444e-04 ETA = 4.536e-04 NFS = 3.037e+11 
+ LD = 0 IS = 0 TPG = -1) 
*************************************************************** 
.MODEL NMOS NMOS ( LEVEL = 3 TOX = 5e-8 
+NSUB = 1.601e+16 IS = 0 TPG = -1 ) 
**************************************************************** 
.MODEL DBD D ( 
+FC = 0.1 TT = 1.412e-08 TREF = 25 BV = 42 
+RS = 3.021e-03 N = 1.283e+00 IS = 4.218e-10 
+EG = 1.214e+00 XTI = 4.499e-01 TRS = 2.606e-03 
+CJO = 3.485e-10 VJ = 4.000e-01 M = 3.297e-01 ) 
.ENDS 
