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Apr 23, 2025

QUIZ : On UPF - 2

UPF Quiz - 10 Questions

Unified Power Format (UPF) - Full Quiz

1. What can be defined using UPF?
Clock frequency
Power domains and states
Gate delays

2. What is a “power domain” in UPF?
Region using same logic
Area sharing a power supply
Timing region

3. What technique helps power down unused logic blocks?
Voltage scaling
Power gating
Dynamic frequency scaling

4. What is the function of an isolation cell?
Amplify signals
Balance clock domains
Maintain signal integrity when power domain is off

5. What does a power switch do in UPF?
Switch clocks
Control power to domains
Switch voltage levels

6. What file extension is used for power intent in UPF?
.vhd
.upf
.svh

7. Which command defines a power domain in UPF?
create_power_domain
set_voltage
define_region

8. Which element allows transition between two power states?
State machine
Power state table
Voltage controller

9. What does a level shifter do in UPF designs?
Synchronizes clocks
Adjusts signal voltage levels
Buffers logic signals

10. Which of the following is a key goal of UPF?
Improve logic depth
Enable power-aware design
Increase routing flexibility

Posted by VLSI Expert - Rahul J

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