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- Question
A certain gate draws 1.8 µA when its output is HIGH and 3.3 µA when its output is LOW. VCC is 5 V and the gate is operated on a 50% duty cycle. What is the average power dissipation (PD)?
Options- A. 2.55 µW
- B. 1.27 µW
- C. 12.75 µW
- D. 5 µW
- Correct Answer
- 12.75 µW
- 1. Which factor does not affect CMOS loading?
Options- A. Charging time associated with the output resistance of the driving gate
- B. Discharging time associated with the output resistance of the driving gate
- C. Output capacitance of the load gates
- D. Input capacitance of the load gates Discuss
- 2. An open-drain gate is the CMOS counterpart of ________.
Options- A. an open-collector TTL gate
- B. a tristate TTL gate
- C. a bipolar junction transistor
- D. an emitter-coupled logic gate Discuss
- 3. A TTL NAND gate with IIH(max) of 40 µA per input drives ten TTL inputs. How much current does the drive output source?
Options- A. 40 µA
- B. 200 µA
- C. 400 µA
- D. 800 µA Discuss
- 4. Which is not an output state for tristate logic?
Options- A. HIGH
- B. LOW
- C. High-Z
- D. Low-Z Discuss
- 5. PMOS and NMOS circuits are used largely in ________.
Options- A. MSI functions
- B. LSI functions
- C. diode functions
- D. TTL functions Discuss
- 6. One output structure of a TTL gate is often referred to as a ________.
Options- A. totem-pole arrangement
- B. diode arrangement
- C. JBT arrangement
- D. base, emitter, collector arrangement Discuss
- 7. The nominal value of the dc supply voltage for TTL and CMOS is ________.
Options- A. +3 V
- B. +5 V
- C. +9 V
- D. +12 V Discuss
- 8. If ICCH is specified as 1.1 mA when VCC is 5 V and if the gate is in a static (noncharging) HIGH output state, the power dissipation (PD) of the gate is ________.
Options- A. 5.5 mW
- B. 5.5 W
- C. 5 mW
- D. 1.1 mW Discuss
- 9. Which is not a precaution for handling CMOS?
Options- A. Devices should be placed with pins down on a grounded surface, such as a metal plate.
- B. All tools, test equipment, and metal workbenches should be earth grounded.
- C. CMOS devices should not be inserted into sockets or PC boards with the power on.
- D. Wear wool clothes at all times. Discuss
- 10. Multiplexing of digital signals is usually required when:
Options- A. moving data internally within a microprocessor.
- B. moving data between memory and storage registers in a microprocessor.
- C. moving data over long distance transmission lines.
- D. moving data internally within a microprocessor or between memory and storage registers. Discuss
Integrated Circuit Technologies problems
Search Results
Correct Answer: Output capacitance of the load gates
Correct Answer: an open-collector TTL gate
Correct Answer: 400 µA
Correct Answer: Low-Z
Correct Answer: LSI functions
Correct Answer: totem-pole arrangement
Correct Answer: +5 V
Correct Answer: 5.5 mW
Correct Answer: Wear wool clothes at all times.
Correct Answer: moving data over long distance transmission lines.
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