*September 15, 2008
*Doc. ID: 64357, ECN S-82172, Rev. A
*File Name: Si4638DY_PS.txt and Si4638DY_PS.lib
*This document is intended as a SPICE modeling guideline and does not
*constitute a commercial product data sheet.  Designers should refer to the
*appropriate data sheet of the same number for guaranteed specification
*limits.
.SUBCKT Si4638DY D G S 
X1 D G S Si4638DY_mos 
X2 S D Si4638DY_schottky 
.ENDS Si4638DY
.SUBCKT Si4638DY_mos  D G S 
M1 3 GX S S NMOS W= 6399840u L= 0.25u 
M2 S GX S D PMOS W= 6399840u L= 2.500e-07 
R1 D 3 5.134e-03 TC=4.108e-03, 5.840e-06 
CGS GX S 2.898e-09 
CGD GX D 1.000e-11 
RG G GY 0.95 
RTCV 100 S 1e6 TC=1.042e-03, -6.371e-06 
ETCV GX GY 100 200 1 
ITCV S 100 1u 
VTCV 200 S 1 
**************************************************************** 
.MODEL NMOS NMOS ( LEVEL = 3 TOX = 5e-8 
+ RS = 0 KP = 1.272e-05 NSUB = 2.995e+17 
+ KAPPA = 1e-2 ETA = 1e-4 NFS = 8e11 
+ XJ = 5e-7 LD = 0 IS = 0 TPG = 1) 
*************************************************************** 
.MODEL PMOS PMOS ( LEVEL = 3 TOX = 5e-8 
+NSUB = 3.000e+16 IS = 0 TPG = -1 ) 
**************************************************************** 
.ENDS Si4638DY_mos 
.subckt Si4638DY_schottky 7 5 
d1 7 5 sdsm 
d2 7 5 sdlg 
d3 7 4 sdrev 
d4 5 4 sdblk 
.model sdsm d (IS = 1.462e-10 N = 1.234e+00 EG = 1.103e+00 
+XTI = 5.822e+00 RS = 3.021e-03 TRS1 = 2.668e-03 ) 
.model sdlg d (IS = 1.638e-05 N = 1.119e+00 EG = 5.918e-01 
+XTI = 7.137e-01 RS = 4.037e-02 TRS1 = 5.797e-03 
+VJ = 3.092e-01 CJO = 2.000e-09 M = 4.009e-01 
+TT = 4.000e-08 ) 
.model sdrev d (IS = 2.222e-05 N = 1.000e-00 EG = 5.248e-01 
+XTI = 3.998e+00 ) 
.model sdblk d (IS = 1e-11 N=1) 
.ends Si4638DY_schottky