Integrated Circuit Technologies Questions and Answers
Integrated Circuit (IC) Technologies are fundamental to Digital Electronics and modern hardware design. This section includes digital electronics aptitude questions and answers focused on IC fabrication, MOSFETs, CMOS logic, and VLSI design principles. Students preparing for GATE, BHEL, BEL, and other electronics competitive exams can benefit from these IC technology questions with answers, which test both theoretical and application-oriented understanding. Practicing regularly improves your problem-solving accuracy and helps in mastering semiconductor device concepts for engineering placements.
Integrated Circuit Technologies
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32 questions
2. For a CMOS gate, which is the best speed-power product?
- 1.4 pJ
- 1.6 pJ
- 2.4 pJ
- 3.3 pJ
3. Which transistor element is used in CMOS logic?
- FET
- MOSFET
- Bipolar
- Unijunction
4. In a TTL circuit, if an excessive number of load gate inputs are connected, ________.
- VOH(min) drops below VOH
- VOH drops below VOH(min)
- VOH exceeds VOH(min)
- VOH and VOH(min) are unaffected
5. The greater the propagation delay, the ________.
- lower the maximum frequency
- higher the maximum frequency
- maximum frequency is unaffected
- minimum frequency is unaffected
6. An open-drain gate is the CMOS counterpart of ________.
- an open-collector TTL gate
- a tristate TTL gate
- a bipolar junction transistor
- an emitter-coupled logic gate
7. A TTL NAND gate with IIL(max) of –1.6 mA per input drives eight TTL inputs. How much current does the drive output sink?
- –12.8 mA
- –8 mA
- –1.6 mA
- –25.6 mA
8. The nominal value of the dc supply voltage for TTL and CMOS is ________.
- +3 V
- +5 V
- +9 V
- +12 V
9. Which logic family combines the advantages of CMOS and TTL?
- BiCMOS
- TTL/CMOS
- ECL
- TTL/MOS
10. Which equation is correct?
- VNL = VIL(max) + VOL(max)
- VNH = VOH(min) + VIH(min)
- VNL = VOH(min) – VIH(min)
- VNH = VOH(min) – VIH(min)