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Solution Idea Not a Final Answer CS302
Pulse-triggered flip-flops are widely used in microprocessors in recent years due to their high performance. JK flip-flops are more powerful than D flip-flops. However, designs of pulse-triggered JK flip-flops are seldom mentioned. Generally, JK flip-flops are designed on the basis of D flip-flops, and have more power consumption and larger delay than D flipflops. An explicit-pulsed double-edge triggered JK flip-flop (ep-DET-JKFF) is proposed, which is designed directly based on the characteristics of JK flip-flops and pulse-triggered flip-flops directly. Simulation using HSPICE and a 0.18 Â¿m technology shows that the proposed pulsed JK flip-flop has low power dissipation and small delay comparable to those of published pulsed D flip-flop, and has improvement of 11.4%~32.9% in transistor count, 44.1% in delay and 42.3%~55.9% in PDP (Product of Power and Delay), as compared to the pulsed JK flipflop based on pulsed D flip-flops.
In circuit designing industry, the focus is on transistor density, clock speed and power/performance ratio optimization. Due to the emergence of Dark Silicon issue, the focus has shifted entirely on power/performance ratio. Performance and power tradeoff is still the most crucial issue in the design of circuits. Suppose you are working on the design of a processor for a Radar System. Which one of the parameters (Performance or Power) will you consider being the most important in this situation?
Justify your answer with good reasons.