Figure 16.3.1
The CMOS inverter shown in Fig. 16.3.1 is fabricated in a $0.18-\mu \mathrm{m}$ technology having $\left|V_{t}\right|=0.4 \mathrm{~V}$, $k_{n}^{\prime}=0.4 \mathrm{~mA} / \mathrm{V}^{2}$, and $\mu_{p}=\frac{1}{3} \mu_{n}$.
(a) Find $W_{p}$ to obtain matched transistors.
(b) For $v_{I}=1.8 \mathrm{~V}$, find the maximum load current that the inverter can sink while $v_{O}$ is not exceeding $0.1 \mathrm{~V}$.

Question

Quizplus · Accepted Answer

The Answer of

Figure 16.3.1
The CMOS inverter shown in Fig. 16.3.1 is fabricated in a $0.18-\mu \mathrm{m}$ technology having $\left|V_{t}\right|=0.4 \mathrm{~V}$, $k_{n}^{\prime}=0.4 \mathrm{~mA} / \mathrm{V}^{2}$, and $\mu_{p}=\frac{1}{3} \mu_{n}$.
(a) Find $W_{p}$ to obtain matched transistors.
(b) For $v_{I}=1.8 \mathrm{~V}$, find the maximum load current that the inverter can sink while $v_{O}$ is not exceeding $0.1 \mathrm{~V}$.

Figure 163 0.18−μm0.18-\mu \mathrm{m}0.18−μm Technology Having ∣Vt∣=0.4 V\left|V_{t}\right|=0.4 \mathrm{~V}∣Vt​∣=0.4 V kn′=0.4 mA/V2k_{n}^{\prime}=0.4 \mathrm{~mA} / \mathrm{V}^{2}kn′​=0.4 mA/V2

Figure 163 $0.18-\mu \mathrm{m}$ Technology Having $\left|V_{t}\right|=0.4 \mathrm{~V}$ $k_{n}^{\prime}=0.4 \mathrm{~mA} / \mathrm{V}^{2}$