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Home ‣ Digital Electronics ‣ Logic Families and Their Characteristics Comments
  • Question

  • Propagation delay in TTL is due to slow switching speeds.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Logic Families and Their Characteristics problems

    Search Results

    • 1. The AND is the simplest of the gates, requiring the least amount of circuitry to implement in TTL.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Interfacing (74HCMOS to 74ALSTTl or 74TTL to 74LSTTL) can be done with no danger.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An Altera FLEX10K device uses a(n) ________ architecture.

    • Options
    • A. OR array
    • B. AND array
    • C. OR and AND array
    • D. look-up table
      • Discuss
    • 4. Four subcategories of ASIC devices are available to create digital systems. These are PLDs, gate arrays, standard cells, and ________.

    • Options
    • A. HCPLDs
    • B. full custom
    • C. GAL
    • D. FPLDs
      • Discuss
    • 5. The SPLD classification includes the ________ PLD devices.

    • Options
    • A. earliest
    • B. smallest
    • C. largest
    • D. newest
      • Discuss
    • 6. A pulse is not perfectly square; it takes time for the digital level to rise from 0 up to 1 and to fall from 1 down to 0.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In TTL the noise margin is between 0.8 V and 0.4 V.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. PMOS and NMOS are commonly used for small memories and microprocessors.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. In ECL, the HIGH and LOW levels are determined by which transistor in a differential amplifier is conducting more.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The basic part numbers of ICs are the same regardless of the manufacturer because digital logic ICs have been standardized.

    • Options
    • A. True
    • B. False
      • Discuss

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