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Home Digital Electronics Programmable Logic Device Comments

  • Question
  • In a programmable logic device circuit diagram, the inputs to each of the OR gates are designated by ________.


  • Options
  • A. a dot
  • B. a bus
  • C. a single line
  • D. 4 inputs

  • Correct Answer
  • a single line 


  • Programmable Logic Device problems


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    • 1. A method for the automated testing of printed circuit boards is called a(n) ________.

    • Options
    • A. bed-of-nails
    • B. LUT
    • C. CLB
    • D. CPLD
    • Discuss
    • 2. A GAL22V10 ________.

    • Options
    • A. has up to 32 inputs and 10 outputs
    • B. is a type of SPLD
    • C. has 10 inputs and 22 outputs
    • D. is downloadable from the manufacturer's Web site
    • Discuss
    • 3. In the MAX7000S device up to ________ signals can feed each LAB from the PIA.

    • Options
    • A. 0
    • B. 18
    • C. 36
    • D. 72
    • Discuss
    • 4. A macrocell is ________.

    • Options
    • A. part of a PAL or GAL
    • B. a type of one-time programmable SPLD
    • C. an example of intellectual property
    • D. a logic array block
    • Discuss
    • 5. FLEX10K devices are generally classified as ________.

    • Options
    • A. PLDs
    • B. FPGAs
    • C. HCPLDs
    • D. CPLDs
    • Discuss
    • 6. In the GAL16V8, the ________ controls the tristate buffer's enable input.

    • Options
    • A. FMUX
    • B. OMUX
    • C. PTMUX
    • D. TMUX
    • Discuss
    • 7. In a FLEX10K device, the carry chain provides a fast carry forward function between ________.

    • Options
    • A. LUTs
    • B. EABs
    • C. LEs
    • D. LABs
    • Discuss
    • 8. All inputs to the MAX7000S device and all macrocell outputs feed the ________.

    • Options
    • A. LUT
    • B. PIA
    • C. LAB
    • D. PIA and LAB
    • Discuss
    • 9. The final step in a design flow in which the logic design is implemented in the target device is called ________.

    • Options
    • A. design entry
    • B. simulation
    • C. downloading
    • D. compiling
    • Discuss
    • 10. In the GAL16V8, the ________ selects the signal that is fed back into the input matrix.

    • Options
    • A. FMUX
    • B. OMUX
    • C. PTMUX
    • D. TSMUX
    • Discuss


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