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- Question
Fan-out for a typical TTL gate is ________.
Options- A. 100
- B. 54
- C. 10
- D. 4
- Correct Answer
- 10
- 1. The proliferation of small handheld consumer equipment such as digital video cameras, cellular phones, handheld computers (________), portable audio systems, and other devices has created a need for logic circuits in very small packages.
Options- A. HDLs
- B. GDAs
- C. PDAs
- D. TTLs Discuss
- 2. When VGS = 0 on an N-channel MOSFET switch, there is no ________ between the source and the drain.
Options- A. voltage drop
- B. conductive channel
- C. capacitance
- D. inductance Discuss
- 3. The output stage of a TTL gate is a special design called ________.
Options- A. multiemitter
- B. totem-pole
- C. MSI
- D. DIP Discuss
- 4. ________ output levels would not be a valid LOW for a TTL gate.
Options- A. 0.2 V
- B. 0.3 V
- C. 0.5 V
- D. All of the above. Discuss
- 5. Several manufacturers have developed logic that combines the best features of TTL and CMOS. This is called ________.
Options- A. 12L
- B. BiCMOS
- C. 74ACT
- D. 74HCT Discuss
- 6. The time it takes for an input signal to pass through internal circuitry and generate the appropriate output effect is known as ________.
Options- A. fan-out
- B. propagation delay
- C. rise time
- D. fall time Discuss
- 7. P-MOS and N-MOS ________.
Options- A. represent MOSFET devices utilizing either P-channel or N-channel devices exclusively within a given gate
- B. are enhancement-type CMOS devices used to produce a series of high-speed logic known as 74HC
- C. represent positive and negative MOS-type devices that can be operated from differential power supplies and are compatible with operational amplifiers
- D. None of the above are. Discuss
- 8. An open-collector TTL gate ________.
Options- A. can source current but cannot sink current
- B. can sink current but cannot source current
- C. cannot source or sink current
- D. can sink more current than a standard TTL gate Discuss
- 9. ________ is about twice as fast as P-MOS.
Options- A. CMOS
- B. DMOS
- C. MOD
- D. N-MOS Discuss
- 10. Propagation delay is important because ________.
Options- A. the logic gates must be given a short break during each clock cycle or else they will overheat
- B. it limits the maximum operating frequency of a gate
- C. it is a measure of how long the clock must be applied to the gate before it will make the required decision
- D. all the gates in a system must have the same propagation times in order to be compatible Discuss
Integrated-Circuit Logic Families problems
Search Results
Correct Answer: PDAs
Correct Answer: conductive channel
Correct Answer: totem-pole
Correct Answer: All of the above.
Correct Answer: BiCMOS
Correct Answer: propagation delay
Correct Answer: represent MOSFET devices utilizing either P-channel or N-channel devices exclusively within a given gate
Correct Answer: can sink current but cannot source current
Correct Answer: N-MOS
Correct Answer: the logic gates must be given a short break during each clock cycle or else they will overheat
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