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- Question
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
- Correct Answer
- True
- 1. 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
- 2. The noise margin for TTL is 0.8 V.
Options- A. True
- B. False Discuss
- 3. A common means for measuring and comparing the overall performance of an IC family is the speed-power product.
Options- A. True
- B. False Discuss
- 4. The time it takes for a square wave to go from 10% to 90% of its voltage level is called propagation delay.
Options- A. True
- B. False Discuss
- 5. Usually P-MOS and N-MOS circuits are identical with the exception of the voltage polarities.
Options- A. True
- B. False Discuss
- 6. The logic family with the highest maximum clock frequency is HS-TTL.
Options- A. True
- B. False Discuss
- 7. ECL gates are noted for their high frequency capability and small output voltage swing.
Options- A. True
- B. False Discuss
- 8. The upper transistor of a totem-pole output is OFF when the gate output is low.
Options- A. True
- B. False Discuss
- 9. The major advantage of TTL logic circuits over CMOS is lower propagation delay.
Options- A. True
- B. False Discuss
- 10. The principal advantage of MOS ICs over TTL ICs is their fast operating speed.
Options- A. True
- B. False Discuss
Integrated-Circuit Logic Families problems
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