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Home ‣ Digital Electronics ‣ Logic Families and Their Characteristics Comments
- Question
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
- Correct Answer
- True
- 1. 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
- 2. 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
- 3. PMOS and NMOS are commonly used for small memories and microprocessors.
Options- A. True
- B. False Discuss
- 4. In TTL the noise margin is between 0.8 V and 0.4 V.
Options- A. True
- B. False Discuss
- 5. 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
- 6. A typical fan-out for most TTL is 9.
Options- A. True
- B. False Discuss
- 7. Power-supply decoupling uses a radio-frequency capacitor to short out high frequency spikes.
Options- A. True
- B. False Discuss
- 8. The CMOS series that is pin-compatible with the TTL family is the 4000 series.
Options- A. True
- B. False Discuss
- 9. The fan-out of CMOS gates is frequency dependent.
Options- A. True
- B. False Discuss
- 10. The 74XX series TTL operates using saturated switching in which many of the transistors, when conducting, will be in the saturated condition.
Options- A. True
- B. False Discuss
Logic Families and Their Characteristics problems
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