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Home Digital Electronics Integrated-Circuit Logic Families Comments

  • Question
  • The major advantage of TTL logic circuits over CMOS is lower propagation delay.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Integrated-Circuit Logic Families problems


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    • 1. The upper transistor of a totem-pole output is OFF when the gate output is low.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. ECL gates are noted for their high frequency capability and small output voltage swing.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The logic family with the highest maximum clock frequency is HS-TTL.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The dc noise margins calculated using the proper values from a standard TTL data sheet are the worst-case margins. The typical dc noise margins are usually somewhat higher.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The data sheet for the 74 series of TTL ICs shows that Vcc has a range of 4.5 V to 5.5 V.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The principal advantage of MOS ICs over TTL ICs is their fast operating speed.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. Due to the extremely low power requirements of CMOS logic circuits, any number of CMOS and TTL gates can be interconnected.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Most TTL gates use the totem-pole output arrangement.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The output current capability for a HIGH output condition is called a source current.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. The maximum output voltage recognized as a LOW by a TTL gate is 2.0 V.

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


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