2nd edition

## 0.35um CMOS process

### 1. uCox, Vtn for NMOS

#### 1-2. HSPICE Netlist

* Problem 1.27 uCox, Vtn for 0.35um NMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mn 1 2 0 0 nmos L=0.7u W=7u

* power supply

vdd 1 0 3.3

vgs 2 0 1

* analysis

.op

.dc vgs 0 3.3 1m

* options

.options post

.end

#### 1-3. Simulation Result

unCox = 211 μA/V2
Vtn = 0.57 V

θ = 0.88 V-1

### 2. lambda for NMOS

#### 2-2. HSPICE Netlist

* Problem 1.27 lambda for 0.35um NMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mn 1 2 0 0 nmos L=0.7u W=7u

* power supply

vdd 1 0 3.3

vgs 2 0 1

* analysis

.op

.dc Vdd 0 1 1m0

* options

.options post

.end

#### 2-3. Simulation Result

λ = 0.187 V-1 @ L = 0.7 μm
λL = 0.13 μm/V

### 3. Cov/W for NMOS

#### 3-2. HSPICE Netlist

* Problem 1.27 Cov/W for 0.35um NMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mn 0 1 0 0 nmos L=0.7u W=7u

* 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 = 5.06 fF @ W = 7 μm
Cov/W = 0.72 fF/μm

### 4. Cdb/W for NMOS

#### 4-2. HSPICE Netlist

* Problem 1.27 Cdb/W for 0.35um NMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mn 0 0 0 1 nmos L=0.7u W=7u

* 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 = 3.20 fF @ W = 7 μm
Cdb/W = 0.46 fF/μm

θ = 0.74 V-1

### 5. uCox, Vtp for PMOS

#### 5-2. HSPICE Netlist

* Problem 1.27 uCox, Vtnp for 0.35um PMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mp 0 2 1 1 pmos L=0.7u W=7u

* power supply

vdd 1 0 3.3

vgs 1 2 1

* analysis

.op

.dc vgs 0 3.3 1m0

* options

.options post

.end

upCox = 22μA/V2
Vtp = 0.60 V

θ = 0.93 V-1

### 6. lambda for PMOS

#### 6-2. HSPICE Netlist

* Problem 1.27 lambda for 0.35um PMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mp 0 2 1 1 pmos L=0.7u W=7u

* power supply

vdd 1 0 5

vgs 1 2 1

* analysis

.op

.dc vdd 0 1.5 1m0

* options

.options post

.end

#### 6-3. Simulation Result

λ = 0.116 V-1 @ L = 0.7 μm
λL = 0.16 μm/V

### 7. Cov/W for PMOS

#### 7-2. HSPICE Netlist

* Problem 1.27 Cov/W for 0.35um PMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mp 0 1 0 0 pmos L=0.7u W=7u

* 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 = 4.73 fF @ W = 7 μm
Cov/W = 0.68 fF/μm

### 8. Cdb/W for PMOS

#### 8-2. HSPICE Netlist

* Problem 1.27 Cdb/W for 0.35um PMOS

* MOS model

.include p35_cmos_models_tt.inc

* main circuit

mp 0 0 0 1 pmos L=0.7u W=7u

* 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 = 3.34 fF @ W = 7 μm
Cdb/W = 0.47 fF/μm

### One Response to "0.35um CMOS process"

1. svrao says:

it’s very Good information on extraction of mos model parameters.