r_usso
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Hello everyone,
I have written the following code for my classwork.
I have 2 questions.
1. How do I vary the Wp so that it will automatically vary from for example 0.400u to 0.430u?
2. After case 2, case 3 doesn't run.
Any suggestion is highly appreciated.
- - - Updated - - -
I have solved the problem 2. Please help me with problem 1.
I have written the following code for my classwork.
Code:
*CMOS NOT Gate
****************************************************
.OPTION POST
.INCLUDE 'C:\synopsys\NangateOpenCellLibrary_PDKv1_3_v2009_07\technology\models\hspice\hspice_nom.include'
****************************************************
*Global nodes
.GLOBAL VDD
.GLOBAL VSS
****************************************************
.param SUPPLY = 0.85V
.param Wn = 0.415u
+ Wp = 0.630u
+ Lnp = 0.05u
****************************************************
*Stimuli
VG VSS 0 0
Vdd VDD VSS 'SUPPLY'
Va a VSS PULSE (0 'SUPPLY' 20ps 20ps 20ps 220ps 1000ps)
****************************************************
*subcircuits
.SUBCKT INV_X1 A ZN VDD VSS
*.PININFO A:I ZN:O VDD:P VSS:G
*.EQN ZN=!A
M_i_0 ZN A VSS VSS NMOS_VTL W=Wn L=Lnp
M_i_1 ZN A VDD VDD PMOS_VTL W=Wp L=Lnp
.ENDS
***************************************************
*main circuit
Xinvert a out VDD VSS INV_X1
***************************************************
* Anlysis Options
.measure TRAN RiseDelay TRIG v(a) td=20ps VAL='SUPPLY/2' CROSS=1
+ TARG v(out) td=20ps VAL='SUPPLY/2' CROSS=1
.measure TRAN FallDelay TRIG v(a) td=60ps VAL='SUPPLY/2' CROSS=1
+ TARG v(out) td=60ps VAL='SUPPLY/2' CROSS=1
.measure TotalParameterDelay param ='(RiseDelay+FallDelay)/2'
.TRAN 1ps 1000ps START=0ps
****************************************************
.alter Case 1: Change Temperature
.TRAN 1PS 1000PS UIC SWEEP TEMP 25 125 10
.alter Case 2: Change Voltage
.tran 1ns 10US UIC SWEEP SUPPLY 0.85 1.35 0.05
.alter Case 3: Varying Width and Length
.param Wp = '2*Wn' Wn = '0.5*Wp' Lnp = 0.045
.ENDI have 2 questions.
1. How do I vary the Wp so that it will automatically vary from for example 0.400u to 0.430u?
2. After case 2, case 3 doesn't run.
Any suggestion is highly appreciated.
- - - Updated - - -
I have solved the problem 2. Please help me with problem 1.
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