Digital Electronics-Integrated Circuit Technologies

Digital Electronics-Integrated Circuit Technologies
1. Which is not a MOSFET terminal?
  • Gate
  • Drain
  • Source
  • Base
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2. For a CMOS gate, which is the best speed-power product?
  • 1.4 pJ
  • 1.6 pJ
  • 2.4 pJ
  • 3.3 pJ
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3. Which transistor element is used in CMOS logic?
  • FET
  • MOSFET
  • Bipolar
  • Unijunction
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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
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5. The greater the propagation delay, the ________.
  • lower the maximum frequency
  • higher the maximum frequency
  • maximum frequency is unaffected
  • minimum frequency is unaffected
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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
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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
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8. The nominal value of the dc supply voltage for TTL and CMOS is ________.
  • +3 V
  • +5 V
  • +9 V
  • +12 V
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9. Which logic family combines the advantages of CMOS and TTL?
  • BiCMOS
  • TTL/CMOS
  • ECL
  • TTL/MOS
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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)
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Digital Electronics
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