Assume the following unless stated otherwise for a 0.18 μm CMOS process: VDD = 3.3 V, Lmin = 0.18 μm Vtn = 0.5 V or −1 V (choose accordingly), Vtp = −0.5 V μnCox = 390 μA/V2, μpCox = 90 μA/V2 Consider a CMOS inverter with a load of Ctot = 250 fF. a) Calculate all five voltages of the voltage transfer characteristic for kn = kp. b) Find the noise margins and the area of the inverter. c) Make a qualitative evaluation of the inverter regarding its static performance. d) Calculate the rise time τr using the RC method

Assume the following unless stated otherwise for a 0.18 μm CMOS process: VDD = 3.3 V, Lmin = 0.18 μm Vtn = 0.5 V or −1 V (choose accordingly), Vtp = −0.5 V μnCox = 390 μA/V2, μpCox = 90 μA/V2 Consider a CMOS inverter with a load of Ctot = 250 fF. a) Calculate all five voltages of the voltage transfer characteristic for kn = kp. b) Find the noise margins and the area of the inverter. c) Make a qualitative evaluation of the inverter regarding its static performance. d) Calculate the rise time τr using the RC method

Image text
Assume the following unless stated otherwise for a 0.18 μ m CMOS process:
V D D = 3.3 V , L min = 0.18 μ m
V t n = 0.5 V or 1 V (choose accordingly), V t p = 0.5 V
μ n C o x = 390 μ A / V 2 , μ p C o x = 90 μ A / V 2
Consider a CMOS inverter with a load of C t o t = 2 5 0 f F .
  1. a) Calculate all five voltages of the voltage transfer characteristic for k n = k p .
  2. b) Find the noise margins and the area of the inverter.
  3. c) Make a qualitative evaluation of the inverter regarding its static performance.
  4. d) Calculate the rise time τ r using the R C method

Detailed Answer