Latches and Sequential Logic Circuits

This lab introduces students to latches and sequential logic circuits, including basic concepts, variations, and applications. In the activity, students will use Multisim to build and simulate circuits to observe differences between synchronous and asynchronous sequential circuits, test and compare circuits for D latches, confirm the characteristic table of a gated SR latch, and observe the differences between D and SR latches.
This is lab 9 of 16 in the course, Digital Electronics.

LEARNING OBJECTIVES


After completing this lab, students will be able to:
  1. Open pre-configured circuits and PLD designs in Multisim. 
  2. Configure and build circuits an PLD designs in Multisim.
  3. Simulate simple digital circuits
  4. Deploy PLD designs to the FPGA
 

REQUIRED SKILLS

 
  • Introductory Physics or equivalent
  • Circuits 1 or equivalent

NI ELVIS III

Engineering laboratory solution for project-based learning that combines instrumentation and embedded design with a web-driven experience, delivering a greater understanding of engineering fundamentals and system design.

Digital Systems Development Board for NI ELVIS III

An application board for NI ELVIS III that provides students with a comprehensive education in digital electronics with hands-on experiments to interactively demonstrate concepts in the digital domain.

Multisim

Multisim is a circuit simulation tool built for educators to teach analog, digital, and power electronics by connecting simulation to experimentation. 

Required Software

Download Academic Software, Learn About Software Licensing
  • Multisim 14.0.1 Education or Later - Download
  • NI LabVIEW FPGA Vivado 2014.4 - Download
  • Digilent Hardware Driver (note, the installer above automatically downloads the installer below onto your computer)
    • Navigate to C:\NIFPGA\programs\Vivado2014_4\data\xicom\cable_drivers\nt64\digilent
    • Install install_digilent.exe

Required Hardware

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INSTRUCTOR RESOURCES

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