APPARATUS AND METHODS FOR OPTIMIZING THE PERFORMANCE OF PROGRAMMABLE LOGIC DEVICES
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Abstract
A programmable logic device (PLD) includes first and second circuits. The first and second circuits are part of a user'"'"'s design to be implemented using the PLD'"'"'s resources. The first circuit is powered by a first supply voltage. The second circuit is powered by a second supply voltage. At least one of the first and second supply voltages is determined by a PLD computer-aided design (CAD) flow used to implement the user'"'"'s design in the PLD.
76 Citations
38 Claims
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1-27. -27. (canceled)
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28. A method of implementing an electronic circuit by using resources within a programmable logic device (PLD), wherein the PLD is powered by first and second supply voltages, the method comprising:
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(a1) assigning a nominal level to the second supply voltage; (b1) performing place and route of the resources within the PLD used to implement the electronic circuit; and (c1) determining a value of the second supply voltage level that meets a timing specification of the electronic circuit. - View Dependent Claims (29, 30, 31, 32, 33)
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34. A method of implementing an electronic circuit using resources within a programmable logic device (PLD), wherein the PLD is powered by first and second supply voltages, the method comprising:
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(a2) assigning a nominal level to the second supply voltage; (b2) performing a placement of the resources within the PLD; (c2) optimizing the placement by using delay estimates corresponding to the second supply voltage level; and (d2) determining a value of the second supply voltage level that meets a timing specification of the electronic circuit. - View Dependent Claims (35, 36, 37, 38)
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Specification