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- Question
The TTL HIGH level source current is higher than the LOW level sinking current.
Options- A. True
- B. False
- Correct Answer
- False
- 1. CMOS stands for "complementary metal-oxide semiconductors" and the FETs are normally enhancement mode devices.
Options- A. True
- B. False Discuss
- 2. The abbreviated designator for a HIGH input voltage is VIH.
Options- A. True
- B. False Discuss
- 3. The major advantage of CMOS logic circuits over TTL is very low power consumption.
Options- A. True
- B. False Discuss
- 4. An unused input of a NAND gate can be left unconnected, pulled high by a pull-up resistor and tied together with another input and not change the logic output.
Options- A. True
- B. False Discuss
- 5. A current-sourcing transistor may also be referred to as a pull-down transistor.
Options- A. True
- B. False Discuss
- 6. Usually P-MOS and N-MOS circuits are identical with the exception of the voltage polarities.
Options- A. True
- B. False Discuss
- 7. 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
- 8. 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
- 9. The noise margin for TTL is 0.8 V.
Options- A. True
- B. False Discuss
- 10. 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
Integrated-Circuit Logic Families problems
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