Digital Electronics detailed Syllabus for Electronics & Communication Engineering (DECE), C18 curriculum has been taken from the TSSBTET official website and presented for the diploma students. For Course Code, Course Name, Lectures, Tutorial, Practical/Drawing, Internal Marks, Max Marks, Total Marks, Min Marks and other information, do visit full semester subjects post given below.
For all other Diploma in Electronics & Communication Engineering (DECE) Syllabus for 3rd Sem C18 Curriculum TSSBTET, do visit Diploma in Electronics & Communication Engineering (DECE) Syllabus for 3rd Sem C18 Curriculum TSSBTET Subjects. The detailed Syllabus for digital electronics is as follows.
Prerequisites:
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Course Outcome:
After completion of the course, the student should be able to
- Convert number systems and Solve Boolean expressions using K-map.
- Compare various digital IC logic families and identify them by their characteristics.
- Design adders using Combinational logic.
- Develop Combinational logic circuits like MUX , De-mux, encoder, decoder and comparator circuits.
- Identify the need of sequential circuits and design registers using flip-flops.
- Design counter circuits and Compare different types of memories.
Unit 1:
Basics of Digital Electronics Convert number systems and Solve Boolean expressions using K-map. Number systems -comparison with Decimal system-Conversion from number system into another -performing arithmetic operations in binary-Use of weighted and Un-weighted codes- importance of parity Bit- Different postulates in Boolean algebra- Basic logic gates with truth table- universal logic gates – exclusive – OR gate with truth table- De-Morgans theorems- AND, OR, NOT operations using NAND, NOR gates- De-Morgans theorems related postulates to simplify Boolean expressions (up to three variables)- standard representations for logical functions (SOP and POS form)- Boolean expressions from the given truth table- Karnaugh map to simplify Boolean Expression (up to 4 variables only)
Unit 2:
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Unit 3:
Design adders using Combinational logic . Concept of combinational logic circuits- Half adder circuit -truth table- Half-adder using NAND gates only &NOR gates only- Full adder circuit – Truth table- Full-adder using two Half-adders and an OR – gate – a 4 Bit parallel adder using full – adders- 2s compliment parallel adder/ subtractor circuitSerial adder -Performance of serial and parallel adder-
Unit 4:
Develop Combinational logic circuits like MUX, De-mux, encoder, decoder and comparator circuits. Operation of 4 X 1 Multiplexers- Operation of 1 to 4 demultiplexer- IC numbers -applications- 3 X 8 decoder- BCD to decimal decoder- Decoders- Decimal to BCD encoder- IC numbers -Applications -Tri-state buffer – Types of tri-state buffers-Applications – Digital comparator.
Unit 5:
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Unit 6:
Design counter circuits and Compare different types of memories. 4-bit asynchronous counter – Asynchronous decade counter with a circuit – 4-bit synchronous counter-Differences between synchronous and asynchronous counters- asynchronous 3 bit up-down counter -Ring counter- applications – Types of memories – Memory read operation, write operation, access time, memory capacity, address lines and word length- ROM and RAM- Diode ROM-EEPROM and UVPROM- Dynamic MOS RAM cell- static RAM and dynamic RAM- Applications of Flash ROM.
Specific Learning Outcomes:
Upon completing this course the student will be able to
Understand the Basics of Digital Electronics
- Explain Binary, Octal, Hexadecimal number systems.
- Compare the above with Decimal system.
- Convert a given decimal number into Binary, Octal, and Hexadecimal numbers and vice versa.
- Convert a given binary number into octal and hexadecimal number system and vice versa.
- Perform binary addition, subtraction, Multiplication and Division.
- Perform binary addition, subtraction, Multiplication and Division and check in decimal system.
- Write 1s complement and 2s complement numbers for a given binary number.
- Perform subtraction of binary numbers in 1s complement method.
- Perform subtraction of binary numbers in 2s complement method.
- State the use of weighted and Un-weighted codes and list the types.
- Write Binary equivalent number for a number in 8421, Excess-3 code.
- Convert a given binary number into Gray code and vice-versa.
- Explain the use of alphanumeric codes (ASCII & EBCDIC)
- State the importance of parity Bit.
- State different postulates in Boolean algebra.
- Explain the basic logic gates AND, OR, NOT gates with truth table.
- Explain the working of universal logic gates (NAND, NOR gates) using truth tables.
- Explain the working of an exclusive – OR gate with truth table.
- Realize AND, OR, NOT operations using NAND, NOR gates.
- Realize exclusive – OR gate using basic gates.
- Realize exclusive – OR gate using NAND, NOR gates.
- State De-Morgans theorems.
- Prove De-Morgans theorems.
- Apply De-Morgans theorems related postulates to simplify Boolean expressions (up to four variables).
- Explain standard representations for logical functions (SOP and POS form)
- Write Boolean expressions from the given truth table and draw the circuit.
- Use Karnaugh map to simplify Boolean Expression (up to 4 variables only) in SOP form.
- Use Karnaugh map to simplify Boolean Expression (up to 4 variables only) in POS form.
Understand Different Logic Families.
- Give the classification of digital logic families ( like TTL, CMOS and ECL).
- List the important characteristics of Digital ICs
- Explain logic levels and Voltage requirements of TTL and CMOS ICs.
- Define propagation delay and Noise margin.
- Define Fan-in and Fan-out capacity of a digital IC.
- Define Power dissipation and figure of merit of a logic family.
- Explain the working of open collector TTL NAND gate with a circuit diagram.
- Explain the working of Totem pole output TTL NAND gate with a circuit diagram.
- Explain the working of CMOS NAND gate with a circuit diagram.
- Compare the TTL, CMOS and ECL logic families.
- Give IC numbers of different two input Digital IC Logic gates( One for each type)
Understand the Working of Combinational Logic Circuits and Adder Circuits.
- Define combinational logic circuit.
- Define half adder circuit and write its truth table.
- Write the output expression and draw half adder circuit using basic gates.
- Realize a Half-adder using
- NAND gates only and
- NOR gates only.
- Explain the operation of full adder circuit with truth table.
- Realize full-adder using two Half-adders and an OR – gate.
- Write truth table for the above circuit.
- Explain the working of 4 Bit parallel adder circuit using full adders.
- Explain 2s compliment parallel adder/ subtractor circuit.
- Explain the working of a serial adder circuit.
- Compare the performance of serial and parallel adder.
Understand the Working of Mux, De-Mux, Encoder and Decoder Circuits.
- Define multiplexer and de-multiplexer.
- Write the truth table of 4 X 1 Multiplexer and draw its circuit.
- Write the IC numbers of TTL & CMOS Multiplexer ICs.
- Mention any 3 applications of multiplexer circuit.
- Write the truth table of 1 to 4 de- Multiplexer and draw its circuit.
- Write the IC numbers of TTL & CMOS De-multiplexer ICs.
- Mention any 3 applications of De-multiplexer.
- Write the truth table of 3 X 8 decoder and draw its circuit.
- Mention any 3 applications of decoder IC.
- Explain the working of BCD to decimal decoder circuit.
- Explain the working of Decimal to BCD encoder circuit.
- State the need for a tri-state buffer.
- List the two types of tri-state buffers with IC numbers.
- Write the truth table of 2 bit digital comparator and draw its circuit.
Understand the Working of Sequential Logic Circuits.
- Define a Sequential logic circuit.
- State the necessity of clock.
- What is level and edge triggering?
- Explain clocked SR flip flop circuit using NAND gates.
- State the need for preset and clear inputs.
- Explain the circuit of JK flip flop (using S-R flip-flops) with truth table.
- What is race around condition in JK flip-flop?
- Explain the working of master slave JK flip flop circuit with necessary diagrams.
- Explain the level clocked D and T flip flops with the help of truth table, circuit diagram and timing diagram.
- Draw the symbols of above Flip Flops.
- Give the truth tables of edge triggered D and T flip flops.
- List any 2 commonly used IC numbers of flip flops of each type.
- List two applications for each type of flip flop.
- State the need for a Register
- List the four types of registers.
- Explain the working of 4 bit shift left and shift right registers with a circuit and timing diagram.
- Explain the working of 4-bit bi-directional shift register with a circuit and timing diagram.
- Explain parallel in parallel out shift register with a circuit and timing diagram.
- List any four common applications of shift registers.
- List any 2 commonly used IC numbers of registers.
- Distinguish between combinational and sequential circuits.
Understand Working of Counters and Semiconductor Memories
- Define a counter and modulus of a counter.
- Explain the working of 4-bit asynchronous up counter with a circuit and Timing diagram.
- Explain the working of asynchronous 3 bit up-down counter with a circuit and Timing diagram
- Explain the working of 4-bit synchronous counter with a circuit and Timing diagram.
- Explain the working of decade counter with a circuit and Timing diagram.
- Distinguish between synchronous and asynchronous counters.
- List any 2 commonly used IC numbers of counters.
- Explain the working of ring counter.
- List any three applications for counters and ring counter.
- State the need for memory in digital circuits.
- Define the terms memory read operation, write operation, access time, memory capacity, and word length.
- Classify various types of memories based on principle of operation, physical characteristics,accessing modes and fabrication technology.
- Differentiate between ROM and RAM.
- Explain the working of diode ROM.
- Distinguish between EEPROM and UVPROM.
- Explain the working of basic dynamic MOS RAM cell.
- Compare static RAM and dynamic RAM.
- State the need for Flash ROM.
- List the applications of Flash ROM.
Recommended Books
For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier..
E-Links
- www.nptel.com
- www.electronics4u.com
Suggested student activities.
- Learn how to Test the digital ICs and submit a report.
- Propose how to manage the e-waste.
- Perform trouble shooting of the not working equipment in the lab.
- Learn the latest CMOS IC equivalents of the TTL ICs.
- Prepare a simple PCB to perform verification of truth table for basic gates.
- Prepare a PPT on the day to day application of the gates you have studied.
Course Outcome:
- Convert number systems and Solve Boolean expressions using K-map.
- Compare various digital IC logic families and identify them by their characteristics.
- Design adders using Combinational logic.
- Develop Combinational logic circuits like MUX , De-mux, encoder, decoder and comparator circuits.
- Identify the need of sequential circuits and design registers using flip-flops.
- Design counter circuits and Compare different types of memories.
For detail Syllabus of all other subjects of Electronics & Communication Engineering, C18 curriculum do visit Diploma In Electronics & Communication Engineering 3rd Sem Syllabus for C18 curriculum.
For all Electronics & Communication Engineering results, visit TSSBTET DECE all semester results direct links.