Checking date: 21/04/2023

Course: 2023/2024

Digital Electronics
Bachelor in Industrial Electronics and Automation Engineering (Plan: 444 - Estudio: 223)

Coordinating teacher: GARCIA VALDERAS, MARIO

Department assigned to the subject: Electronic Technology Department

Type: Compulsory
ECTS Credits: 6.0 ECTS


Requirements (Subjects that are assumed to be known)
Fundamentals of Electronic Engineering
By the end of this subject, students will be able to have: - A systematic understanding of the key aspects and concepts of their branch of engineering in digital electronics. - Coherent knowledge of their branch of engineering including some at the forefront of the branch in digital electronics. - The ability to apply their knowledge and understanding of digital electronics to identify, formulate and solve engineering problems using established methods. - The ability to apply their knowledge and understanding to develop and realise designs of digital circuits to meet defined and specified requirements. - An understanding of methodologies for the design and description of digital circuits, and an ability to use them. - Workshop and laboratory skills. - The ability to select and use appropriate equipment, tools and methods, as FPGAs, hardware description languages, simulation and logic synthesis tools for digital circuits. - The ability to combine theory and practice to solve problems of digital electronics. - An understanding of applicable techniques and methods in digital electronics, and of their limitations.
Skills and learning outcomes
Description of contents: programme
1 . Representation of information in digital systems - Numbering systems - Conversions between numbering systems - Binary codes 2 . Boolean algebra and logic gates - Fundamental postulates and properties of Boolean algebra - Boolean functions and expressions - Logic gates. Logic functions implementation and minimisation 3. Introduction to digital circuit design and implementation - Technologies for the implementation of digital circuits - Hardware description languages - Design flow: simulation and automatic synthesis - Basic design concepts in VHDL 4. Combinational circuits - Encoders and decoders - Multiplexers and demultiplexers - Comparators - Association of combinational circuits - Implementation of logical functions with combinational circuits 5. Arithmetic combinational circuits and description in VHDL - Representation of signed numbers: Sign-Magnitude, 1-Complement and 2-Complement systems - Binary arithmetic: addition, subtraction, multiplication - Representation of real numbers - Addition, subtraction and multiplication circuits - Arithmetic-Logic Units (ALU) 6. Bistables - Asynchronous and synchronous bistables - Bistable control logics - Time characteristics - Synchronous circuits - Circuits with bistables: chronograms 7. Registers and counters - Registers - Counters - Applications with counters 8. Synchronous sequential circuits - Finite state machines: Moore and Mealy models - Counters as state machines - Analysis of synchronous sequential circuits - Synthesis of synchronous sequential circuits 9. Memories - Types and characteristics of memories according to their technology - Types and characteristics of memories according to their functionality - Description in VHDL. 10. Simulation and synthesis of digital circuits described in VHDL. - VHDL for simulation and synthesis - Test benches and simulation models - Synthesis. Resources and timing. Constraints 11. Digital systems: structure and implementation - Structure: data path and control - Programmable logic devices (FPGA) - Custom integrated circuits (ASICs) - Microprocessors
Learning activities and methodology
Lectures: 50%, 1 session/week (2 hours) Practice: 36%, 1 session/week (2 hours) Lab. Practice: 14%, 4 sessions, (2 hours each) Personal assistance, as scheduled by the teacher
Assessment System
  • % end-of-term-examination 45
  • % of continuous assessment (assigments, laboratory, practicals...) 55
Calendar of Continuous assessment
Basic Bibliography
  • .. FPGA Manufacturers web pages. Xilinx:; Altera:; . ..
  • B. Mealy, F. Tappero. Free Range VHDL. The no-frills guide to writing powerful code for your digital implementations. open-source (
  • R. Tokheim. Digital Electronics. McGraw-Hill.
  • Smith, D.J.. HDL chip design. Doone. 1997
  • T. L. Floyd. Digital Fundamentals. Prentice-Hall (several editions).
Additional Bibliography
  • D. D. Gajski. Principios de Diseño Digital. Prentice-Hall.
  • J. F. Wakerly. Digital Design Principles and Practices. Pearson Education.

The course syllabus may change due academic events or other reasons.