16-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Sixteen MOSFET Digital Circuits.

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16-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Sixteen MOSFET Digital Circuits

16-2 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 16.6 Voltage transfer characteristics, NMOS inverter with resistor load, for three resistor values

16-3 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 16.8 (a) NMOS inverter with saturated load and (b) driver transistor characteristics and load curve

16-4 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 16.9 Voltage transfer characteristics, NMOS inverter with saturated load, for three aspect ratios

16-5 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure (a) NMOS inverter with depletion load, (b) current-voltage characteristic of depletion load, and (c) driver transistor characteristics and load curve

16-6 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Voltage transfer characteristics, NMOS inverter with depletion load, for three aspect ratios

16-7 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Voltage transfer characteristics of NMOS inverters with and without the body effect (a) enhancement load and (b) depletion load

16-8 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Composite width-to-length ratios of driver transistors in two- input NMOS logic configurations (a) NOR and (b) NAND

16-9 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure NMOS logic circuit example

16-10 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure CMOS inverter

16-11 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Complete voltage transfer characteristics, CMOS inverter

16-12 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Square root of inverter current versus input voltage, CMOS inverter biased at either V DD = 5V or V DD = 10V

16-13 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure (a) Two-input CMOS NOR logic circuit and (b) truth table

16-14 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure (a) Two-input CMOS NAND logic circuit and (b) truth table

16-15 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Complete CMOS design for Example 16.12

16-16 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Clocked CMOS logic circuit (a) AND function and (b) OR function

16-17 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure NMOS R-S flip-flop

16-18 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure CMOS R-S flip-flop

16-19 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Basic random access memory architecture

16-20 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure CMOS RAM cell including PMOS pull-up transistors

16-21 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure Complete circuit diagram of a CMOS RAM cell with write and read circuitry