Question

Notify Me Bookmark

The below truth table is given for a Boolean function f(x1, x2, x3). Implement f with a CMOS circuit having a Pull Up Network consisting of PMOS transistors and a Pull Down Network consisting of NMOS transistors. Sketch the circuit.

The below truth table is given for a Boolean function f(x1, x2, x3). Implement f with a CMOS circuit having a Pull Up Network consisting of PMOS transistors and a Pull Down Network consisting of NMOS transistors. Sketch the circuit.

Image text
The below truth table is given for a Boolean function f(x1, x2, x3). Implement f with a CMOS circuit having a Pull Up Network consisting of PMOS transistors and a Pull Down Network consisting of NMOS transistors. Sketch the circuit.

Detailed Answer

1 0

Please enter your email here. You will get email when this question is answered by our tutor.

Answer
Doubtrix Logo

This Problem has been solved!

You'll get a detailed, step-by-step and expert verified solution.

Join Doubtrix with 7-days free trial

  • Icon Correct & Verified Answers
  • Icon No AI-Generated Answers
  • Icon Video Solution for Difficult Questions
  • Icon Work With Experts to Reach at Correct Answers
Login Sign Up
  • Student Reviews:
  • (1)
  • Correct answers (1)
  • Complete solution (1)
  • Step-by-step solution (1)
  • Fully explained (1)

Similar/Related Questions

A transistor schematic diagram of a CMOS digital circuit consisting of four MOSFETs is shown in the following figure (Fig. 3.1). The truth table of the digital circuit is also given. Fig. 3.1 (a). Sketch the logic gate symbol of the digital circuit (Fig. 3.1)? (2 marks) (b). Sketch the transistor schematic diagram of the missing part of the logic circuit (Fig. 3.1). (4 marks) (c). Draw the physical layout with a minimal chip area for the missing part (Q3(b)) of the logic circuit (Fig 3.1). Make sure that all the IC layers are clearly labeled and the scalable CMOS design rules should be followed approximately. (9 marks) (d). Sketch a transistor schematic diagram of the same logic gate (Q3(a)) implemented in CMOS but with three inputs (VA, VB, and VC). (6 marks) (e). If only n-channel MOSFETs can be used to implement the digital circuit in Fig. 3.1, sketch a transistor schematic diagram of such NMOS implementation. (4 marks) Note: In Q3(b), Q3(d) and Q3(e) above, you must use standard circuit symbols and show the signal interconnections clearly with proper labels.
Solution
0 0

Please design a CMOS circuit that realizes the following logic function with a 5V logics. Z = (AB+C)D+E. a) Using static CMOS circuits with fewest number of transistors. b) For the following device parameters, unCox = 45u A/V2 , upCox = 20u A/V2 VTN = 1 V , VTP = -1.2 V. Use all Wn/Ln = 10u/1u for NMOS transistors and L= 1 um for PMOS devices. For a simultaneous switching of all inputs switching threshold needs to be Vth = 2.4 V. For such a result. What should be the width of the PMOS transistors? c)For the same circuit what is the ratio of fastest to slowest output change tpHL(Max) / tpHL(min).
Solution
1 0

Write the Boolean function that is realized by the circuit above. Then reformulate it in AOI canonical form. Sketch the CMOS circuit that realizes the canonical function with minimum transistors. VDD = 3V, µnCox = 50 µA/V^2, µpCox = 20 µA/V^2, Vtn = 0.5V, Vtp = -0.5V, Lmin = 0.35 µm is given for the circuit in b. The circuit has an equivalent load capacitor of CL = 50 fF. Find the transistor dimensions which provide tpHL = 1ns and tpLH = 1.25ns for worst-case conditions. Calculate the threshold voltage (VTH) of the CMOS circuit for simultaneous switching using the equivalent inverter concept. The same function is realized using pseudo-NMOS logic. Calculate VOL for worst-case conditions when a minimum-dimension PMOS transistor and NMOS transistors with dimensions found in c are used. Comment on your result. Recalculate the NMOS dimensions so that VOL = 0.2V is obtained for worst-case conditions.
Solution
0 0