Notice: The first line in the .sp file must be a comment line or be left blank.
SPICE file: "inv_01.sp"
| * inv_01.sp .lib 'hspice.lib' tt .PARAM .OPTION POST .GLOBAL gnd! vdd! .SUBCKT inv vi vo MM1 vo vi gnd! gnd! Nch W=220.00n L=180.00n MM0 vo vi vdd! vdd! Pch W=420.00n L=180.00n .ENDS XINV A Y INV C0 Y gnd! 2E-15F Vvdd vdd! 0 1.8v Vgnd gnd! 0 0v VIN A 0 .DC VIN 0 1.8 0.01 .END |
Use CosmosScope to open the ".sw0" file and then display the
waveform of v(y).
Result:
SPICE file: "inv_02.sp"
| * inv_02.sp .lib 'hspice.lib' tt .PARAM .OPTION POST .GLOBAL gnd! vdd! .SUBCKT inv vi vo MM1 vo vi gnd! gnd! Nch W=220.00n L=180.00n MM0 vo vi vdd! vdd! Pch W=8000.00n L=180.00n .ENDS XINV A Y INV C0 Y gnd! 2E-15F Vvdd vdd! 0 1.8v Vgnd gnd! 0 0v VIN A 0 .DC VIN 0 1.8 0.01 .END |
Use CosmosScope to open the ".sw0" file and then display
the waveform of v(y).
Result:
SPICE file: "inv_03.sp"
| * inv_03.sp .lib 'hspice.lib' tt .PARAM .OPTION POST .GLOBAL gnd! vdd! .SUBCKT inv vi vo MM1 vo vi gnd! gnd! Nch W=220.00n L=180.00n MM0 vo vi vdd! vdd! Pch W=220.00n L=180.00n .ENDS XINV A Y INV C0 Y gnd! 2E-15F Vvdd vdd! 0 1.8v Vgnd gnd! 0 0v VIN A 0 .DC VIN 0 1.8 0.01 .END |
Use CosmosScope to open the ".sw0" file
and then display the waveform of v(y).
Result:
last update: October 22, 2009