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Home Digital Electronics Programmable Logic Device Comments

  • Question
  • A(n) ________ consists of a programmable array of AND gates that connects to a fixed array of OR gates and is usually OTP.


  • Options
  • A. GAL
  • B. CPLD
  • C. PAL
  • D. SPLD

  • Correct Answer
  • PAL 


  • Programmable Logic Device problems


    Search Results


    • 1. What does the Altera FLEX10K PLD use in place of AND and OR arrays?

    • Options
    • A. Nothing, it uses AND and OR arrays.
    • B. Look-up tables
    • C. SRAM-based memory
    • D. HPLD architecture
    • Discuss
    • 2. What gives a GAL its flexibility?

    • Options
    • A. Its speed
    • B. Its reprogrammable EPROM
    • C. Its large logic arrays
    • D. Its programmable OLMCs
    • Discuss
    • 3. Why have PLDs taken over so much of the market?

    • Options
    • A. One PLD does the work of many ICs.
    • B. The PLDs are cheaper.
    • C. Less power is required.
    • D. All of the above
    • Discuss
    • 4. The difference between a PLA and a PAL is:

    • Options
    • A. The PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane.
    • B. The PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane.
    • C. The PAL has more possible product terms than the PLA.
    • D. PALs and PLAs are the same thing.
    • Discuss
    • 5. A PAL16L8 has:

    • Options
    • A. 10 inputs and 8 outputs.
    • B. 8 inputs and 8 outputs.
    • C. 16 inputs and 16 outputs.
    • D. 16 inputs and 8 outputs.
    • Discuss
    • 6. An SPLD listed as 22V10 has ________.

    • Options
    • A. 10 inputs, 10 outputs, and requires a 22 V power source
    • B. 11 inputs, 11 outputs, and requires a 10 V power source
    • C. 22 inputs and 10 outputs
    • D. 10 inputs and 22 outputs
    • Discuss
    • 7. In an OLMC, where does the FMUX signal go?

    • Options
    • A. OMUX
    • B. D flip-flop
    • C. Matrix
    • D. PAL
    • Discuss
    • 8. How many combinations are handled in an LUT?

    • Options
    • A. 4
    • B. 8
    • C. 16
    • D. 32
    • Discuss
    • 9. CLB is the acronym for ________.

    • Options
    • A. Configurable Logic Block
    • B. Configurable Logic Buffer
    • C. Critical Logic Buffer
    • D. Constant Logic Buffer
    • Discuss
    • 10. What can the GAL22V10 do that the GAL16V8 cannot?

    • Options
    • A. It has an extra-large array.
    • B. It is in-system programmable.
    • C. It has twice the special function pins.
    • D. All of the above
    • Discuss


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