7.5 HSPICE缓冲驱动器设计实例

1第7章SPICE数模混合仿真程序的

设计流程及方法

7.1采用SPICE的电路设计流程7.2电路元件的SPICE输入语句格式7.3电路特性分析语句7.4电路特性控制语句7.5HSPICE缓冲驱动器设计实例7.6HSPICE跨导放大器设计实例7.7PSPICE电路图编辑器简介7.8PSPICE缓冲驱动器设计实例7.9PSPICE跨导放大器设计实例2准备模型文件选用1.2umCMOS工艺levelII模型(Models.sp).MODELNMOSNMOSLEVEL=2LD=0.15UTOX=200.0E-10VTO=0.74KP=8.0E-05+NSUB=5.37E+15GAMMA=0.54PHI=0.6U0=656UEXP=0.157UCRIT=31444+DELTA=2.34VMAX=55261XJ=0.25ULAMBDA=0.037NFS=1E+12NEFF=1.001+NSS=1E+11TPG=1.0RSH=70.00PB=0.58+CGDO=4.3E-10CGSO=4.3E-10CJ=0.0003MJ=0.66CJSW=8.0E-10MJSW=0.24.MODELPMOSPMOSLEVEL=2LD=0.15UTOX=200.0E-10VTO=-0.74KP=2.70E-05+NSUB=4.33E+15GAMMA=0.58PHI=0.6U0=262UEXP=0.324UCRIT=65720+DELTA=1.79VMAX=25694XJ=0.25ULAMBDA=0.061NFS=1E+12NEFF=1.001+NSS=1E+11TPG=-1.0RSH=121.00PB=0.64+CGDO=4.3E-10CGSO=4.3E-10CJ=0.0005MJ=0.51CJSW=1.35E-10MJSW=0.243设计基本反相器单元根据模型参数、设计要求设定晶体管尺寸写出反相器网单：.TITLE1.2UMCMOSINVERTERCHAIN.INCLUDE"models.sp".globalvddMnoutin00NMOSW=1.2uL=1.2uMpoutinvddvddPMOSW=3uL=1.2u CLOUT 0 0.5PF VCC VDD05VVIN IN0PULSE(05V10NS1N1N50N100N)……41.直流传输特性分析.TITLE1.2UMCMOSINVERTERCHAIN.INCLUDE"models.sp".globalvdd.optionprobeMnoutin00NMOSW=1.2uL=1.2uMpoutinvddvddPMOSW=1.2uL=1.2u CLOUT 0 0.5PF VCC VDD05VVIN IN0PULSE(05V10NS1N1N50N100N).DCVIN

05V0.1V.op.probedcv(out).end5输出的直流传输特性曲线6利用含参数的子电路组成反相器链.TITLE1.2UMCMOSINVERTERCHAIN.INCLUDE"models.sp".globalvdd.SUBCKTINVINOUTwn=1.2uwp=1.2uMnoutin00NMOSW=wnL=1.2uMpoutinvddvddPMOSW=wpL=1.2u .ENDSX1IN1 INVWN=1.2UWP=3UX21 2 INVWN=1.2UWP=3U X32 OUT INVWN=1.2UWP=3UCLOUT 0 1PF VCC VDD05VVIN IN0……7直流特性分析…….DCVIN 05V0.1V.measureDCttranswhenv(out)=2.5V…….END ……ttranstemperalter#2.450025.00001.000082.时序特性分析……VININ0PULSE(05V10NS1N＋1N50N100N)*.DCVIN 05V0.1V

.TRAN1N200N.measuretrantdelaytrigv(in)

val=2.5td=8nsrise=1targv(out)+val=2.5

td=9nfall=1.PRINTV(OUT).end93.考察驱动能力扫描负载电容，观察时序波形：…….paramcload=1pf…….datacvcload0.5p1p2p.enddata……CL OUT0cloadVIN IN0PULSE(05V10NS1N1N＋50N100N).TRAN1N200Nsweepdata=cv……10固定负载，扫描管子尺寸…….paramwu=1.2u.paramwpt='2.5*wu'…….datacvwpt1.2u2.4u3u.enddataX1IN1 INVWN=wuWP=wptX21 2INVWN=wuWP=wptX32 OUTINVWN=wuWP=wptCLOUT 0 1pf …….TRAN1N200Nsweepdata=cv.measuretrantdtrigv(in)val=2.5td=8ns＋rise=1 targv(out)val=2.5td=9nfall=1.END$DATA1SOURCE='HSPICE'VERSION='1999.4'.TITLE'.title1.2umcmosinverterchain'indexwpttdtemperalter#1.00001.200e-