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Digital Systems

Code 10875
Year 1
Semester S2
ECTS Credits 6
Workload PL(16H)/T(32H)/TP(16H)
Scientific area Electrotechnics and Electronics
Entry requirements None.
Mode of delivery Face-to-face.
Work placements Not applicable.
Learning outcomes Digital circuits: theoretical and practical aspects of analysis and synthesis. Design of systems of small complexity, with SSI and MSI ICs. Approach to the technological aspects of the digital circuits implementation, both on the hardware and software domains.

Intellectual competences: Representation and conversion of numeric and alphanumeric information. Execution of operations in binary arithmetic. Combinational and sequential logic circuit design.

Practical competences: Implementation of low complexity digital circuits. Detection and debugging of hardware faults in digital circuits. Assembly and testing of digital integrated circuits (ICs), configured in functional systems.
Syllabus 1. Codes and Numbering Systems.
1.2. Binary, hexadecimal and octal.
1.3. Addition, subtraction, multiplication and division. Signed Numbers.
1.4. Fixed and floating point.
1.5. BCD codes. Non-numeric codes. Alphanumeric codes.
2. Boolean Algebra.
2.2. Algebra of the circuits. Representation of Boolean functions.
2.3. Design of decision circuits.
3. Technology and manufacturing of digital integrated circuits.
3.2. Logic families. TTL, CMOS, ECL.
4. Basic combinational circuits.
4.2. MSI typical combinational circuits.
5. Basic sequential circuits.
5.2. Latches. Flip-flops.
5.3. Temporal characteristics of latches and flip-flops.
6. MSI sequential circuits.
6.2. Records.
6.3. Counters.
7. Synchronous sequential circuits.
7.2. Analysis of synchronous sequential circuits.
7.3. Synthesis of synchronous sequential circuits.
8. Memory and programmable logic devices.
Main Bibliography Main Bibliography:
Taub, H., Circuitos Digitais e Microprocessadores , McGraw-Hill, 1983.
Wakerly, J. F., Digital Design: Principles and Practices (4/e), Pren. Hall, 2005.
Morris Mano et al., Logic and Computer Design Fundamentals (4/e), Pren. Hall, 2007.

Complementary:
Floyd, T.L., Digital Fundamentals (10/e), Pren. Hall, 2008.
Arroz, G et al., Arquitectura de Computadores: dos Sistemas Digitais aos Microprocessadores (2/e), IST Press, 2009.
Amaral, A.M.R., Eletrónica Digital, Sílabo, 2019.
Morgado Dias, Sistemas Digitais – Princípios e Prática, FCA, 2010.
Katz, Contemporary Logic Design (2/e), Pren. Hall, 2004.
Peatman, J.B., The Design of Digital Systems, McGraw-Hill, 1972.
Hill, F. J. & Peterson, G. R., Digital Systems: Hardware Organization and Design (3/e), Wiley, 1987.
ANSI/IEEE Std. 91-1984: Graphic Symbols for Logic Functions.
Texas Instruments, The TTL Data Book for Design Engineers.
Folhas de Apoio, Séries de Problemas e Protocolos de Laboratório, U.B.I..
Teaching Methodologies and Assessment Criteria Lectures for exposition and development of the syllabus, accompanied by the presentation and discussion of application examples.
Laboratory classes to apply the theory exposed in the lectures. The proposed laboratory assignments, besides illustrating the theoretical concepts, allow the students to understand some practical problems inherent to its implementation. In the lab sessions, the students use EDA tools to capture and simulate the circuits, that, later on, they will implement on breadboards.

Final Grade = Assessment of the theoretical component (85% weight) + Continuous assessment of laboratory component (15% weight; a minimum score of 10 of a total of 20 is mandatory).

The assessment of the theoretical component consists in the completion of an one term test (during the teaching learning period) or a final exam. The student will be exempted from the final exam, if the final grade of teaching-learning period is greater than or equal to 10 of a total of 20.
Language Portuguese. Tutorial support is available in English.
Last updated on: 2020-05-12

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