Problem 2 Consider a poly interconnect that is connected to the CMOS inverter as shown in Figure below. The length of the Poly interconnect is 400 micrometers and the width is 15 micrometers. The insulator capacitance of the NMOS and PMOS are Cox=5fF/um². Vin 15um 400um Poly Interconnect Cin CGn Vdd Mp, W/L=44nm/22nm F Mn, W/L= 22nm/22nm (A) If the sheet resistance of Poly is 400/□, calculate the resistance of the Poly interconnect. (B) Given two gate capacitances with values of CGn=80fF and Cop=120fF for NMOS and PMOS transistors, respectively, calculate the total input capacitance (Cin) of the inverter. (C) Calculate the time constant (t=RC) at the output of the inverter with Rpoly computed from part (A) and assuming Cin=15pF.

Problem 2 Consider a poly interconnect that is connected to the CMOS inverter as shown in Figure below. The length of the Poly interconnect is 400 micrometers and the width is 15 micrometers. The insulator capacitance of the NMOS and PMOS are Cox=5fF/um². Vin 15um 400um Poly Interconnect Cin CGn Vdd Mp, W/L=44nm/22nm F Mn, W/L= 22nm/22nm (A) If the sheet resistance of Poly is 400/□, calculate the resistance of the Poly interconnect. (B) Given two gate capacitances with values of CGn=80fF and Cop=120fF for NMOS and PMOS transistors, respectively, calculate the total input capacitance (Cin) of the inverter. (C) Calculate the time constant (t=RC) at the output of the inverter with Rpoly computed from part (A) and assuming Cin=15pF.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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Question

Problem 2
Consider a poly interconnect that is connected to the CMOS inverter as shown in Figure
below. The length of the Poly interconnect is 400 micrometers and the width is 15
micrometers. The insulator capacitance of the NMOS and PMOS are Cox=5fF/um².
Vin
15um
400um
Poly Interconnect
Cin
CGP-
CGn
Vdd
Mp, W/L=44nm/22nm
F
Mn, W/L= 22nm/22nm
(A) If the sheet resistance of Poly is 400/□, calculate the resistance of the Poly
interconnect.
(B) Given two gate capacitances with values of CGn =80fF and Cop=120fF for NMOS and
PMOS transistors, respectively, calculate the total input capacitance (Cin) of the inverter.
(C) Calculate the time constant (t=RC) at the output of the inverter with Rpoly computed
from part (A) and assuming Cin=15pF.

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