*Apr 06, 2009
*Doc. ID: 64862, S09-0447, Rev. A
*File Name: Si7228DN_PS.txt and Si7228DN_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 Si7228DN D G S 
M1 3 GX S S NMOS W= 1226636u L= 0.25u 
M2 S GX S D PMOS W= 1226636u L= 2.052e-07 
R1 D 3 7.498e-03 TC=8.558e-03, 1.538e-05 
CGS GX S 2.889e-10 
CGD GX D 1.422e-11 
RG G GY 3.2 
RTCV 100 S 1e6 TC=-4.138e-04, -1.624e-06 
ETCV GX GY 100 200 1 
ITCV S 100 1u 
VTCV 200 S 1 
DBD S D DBD 
**************************************************************** 
.MODEL NMOS NMOS ( LEVEL = 3 TOX = 5e-8 
+ RS = 8.078e-03 KP = 2.15134e-05 NSUB = 9.903e+16 
+ KAPPA = 4.961e-02 ETA = 1.838e-04 NFS = 9.619e+11 
+ LD = 0 IS = 0 TPG = 1) 
*************************************************************** 
.MODEL PMOS PMOS ( LEVEL = 3 TOX = 5e-8 
+NSUB = 2.939e+16 IS = 0 TPG = -1 ) 
**************************************************************** 
.MODEL DBD D ( 
+FC = 0.1 TT = 1.61e-08 T_MEASURED = 25 BV = 31 
+RS = 5.198e-03 N = 1.517e+00 IS = 5.678e-09 
+EG = 1.204e+00 XTI = 5.730e-01 TRS1 = 2.479e-03 
+CJO = 3.009e-10 VJ = 7.680e-01 M = 4.277e-01 ) 
.ENDS