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Home ‣ Digital Electronics ‣ Logic Families and Their Characteristics Comments
- Question
PMOS and NMOS are commonly used for small memories and microprocessors.
Options- A. True
- B. False
- Correct Answer
- False
- 1. In TTL the noise margin is between 0.8 V and 0.4 V.
Options- A. True
- B. False Discuss
- 2. 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
- 3. Propagation delay in TTL is due to slow switching speeds.
Options- A. True
- B. False Discuss
- 4. The AND is the simplest of the gates, requiring the least amount of circuitry to implement in TTL.
Options- A. True
- B. False Discuss
- 5. Interfacing (74HCMOS to 74ALSTTl or 74TTL to 74LSTTL) can be done with no danger.
Options- A. True
- B. False Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. A typical fan-out for most TTL is 9.
Options- A. True
- B. False Discuss
- 10. Power-supply decoupling uses a radio-frequency capacitor to short out high frequency spikes.
Options- A. True
- B. False Discuss
Logic Families and Their Characteristics problems
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Correct Answer: True
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