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Home Digital Electronics Logic Families and Their Characteristics Comments

  • Question
  • In TTL the noise margin is between 0.8 V and 0.4 V.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Logic Families and Their Characteristics problems


    Search Results


    • 1. 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
    • 2. Propagation delay in TTL is due to slow switching speeds.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The AND is the simplest of the gates, requiring the least amount of circuitry to implement in TTL.

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

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. 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
    • 6. PMOS and NMOS are commonly used for small memories and microprocessors.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. 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
    • 8. 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
    • 9. Schottky logic overcomes the saturation and stored charge problem by placing a Schottky diode across the base-to-collector junction.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. A typical fan-out for most TTL is 9.

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


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