0.18um CMOS process
1. unCox, Vtn, theta for NMOS
1-1. Schematic
1-2. HSPICE Netlist
* Problem 1.27 uCox, Vtn for 0.18um NMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mn 1 2 0 0 nmos L=0.36u W=3.6u
* power supply
vdd 1 0 1.8
vgs 2 0 1
* analysis
.op
.dc vgs 0 1.8 1m
* options
.options post
.end
1-3. Simulation Result
unCox = 270 μA/V2
Vtn = 0.44 V
θ = 1.0 V-1
2. Lambda for NMOS
2-1. Schematic
2-2. HSPICE Netlist
* Problem 1.27 lambda for 0.18um NMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mn 1 2 0 0 nmos L=0.36u W=3.6u
* power supply
vdd 1 0 1.8
vgs 2 0 1
* analysis
.op
.dc Vdd 0 1 1m
* options
.options post
.end
2-3. Simulation Result
λ = 0.182 V-1 @ L = 0.36 μm
λL = 0.066 μm/V
3. Cov/W for NMOS
3-1. Schematic
3-2. HSPICE Netlist
* Problem 1.27 Cov/W for 0.18um NMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mn 0 1 0 0 nmos L=0.36u W=3.6u
* power supply
vgs 1 0 dc=0 ac=1
* analysis
.op
.ac dec 100 1 1k
* options
.options post
.end
3-3. Simulation Result
Cov = 3.95 fF @ W = 3.6 μm
Cov/W = 1.10 fF/μm
4. Cdb/W for NMOS
4-1. Schematic
4-2. HSPICE Netlist
* Problem 1.27 Cdb/W for 0.18um NMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mn 0 0 0 1 nmos L=0.36u W=3.6u
* power supply
vb 1 0 dc=0 ac=1
* analysis
.op
.ac dec 100 1 1k
* options
.options post
.end
4-3. Simulation Result
Cdb = 1.47 fF @ W = 3.6 μm
Cdb/W = 0.41 fF/μm
5. uCox, Vtp for PMOS
5-1. Schematic
5-2. HSPICE Netlist
* Problem 1.27 uCox, Vtnp for 0.18um PMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mp 0 2 1 1 pmos L=0.36u W=3.6u
* power supply
vdd 1 0 1.8
*vdd 1 0 5 *** for theta
vgs 1 2 1
* analysis
.op
.dc vgs 0 1.8 1m
*.dc vgs 0 1.8 1m *** for theta
* options
.options post
.end
5-3. Simulation Result
upCox = 76μA/V2
Vtp = 0.42 V
θ = 0.74 V-1
6. lambda for PMOS
6-1. Schematic
6-2. HSPICE Netlist
* Problem 1.27 lambda for 0.18um PMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mp 0 2 1 1 pmos L=0.36u W=3.6u
* power supply
vdd 1 0 1.8
vgs 1 2 1
* analysis
.op
.dc vdd 0 1 1m
* options
.options post
.end
6-3. Simulation Result
λ = 0.38 V-1 @ L = 0.36 μm
λL = 0.14 μm/V
7. Cov/W for PMOS
7-1. Schematic
7-2. HSPICE Netlist
* Problem 1.27 Cov/W for 0.18um PMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mp 0 1 0 0 pmos L=0.36u W=3.6u
* power supply
vgs 1 0 dc=0 ac=1
* analysis
.op
.ac dec 100 1 1k
* options
.options post
.end
7-3. Simulation Result
Cov = 3.76 fF @ W = 3.6 μm
Cov/W = 1.04 fF/μm
8. Cdb/W for PMOS
8-1. Schematic
8-2. HSPICE Netlist
* Problem 1.27 Cdb/W for 0.18um PMOS
* MOS model
.include p18_cmos_models_tt.inc
* main circuit
mp 0 0 0 1 pmos L=0.36u W=3.6u
* power supply
vb 1 0 dc=0 ac=1
* analysis
.op
.ac dec 100 1 1k
* options
.options post
.end
8-3. Simulation Result
Cdb = 1.26 fF @ W = 3.6 μm
Cdb/W = 0.35 fF/μm
