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Pass Transistor Logic (PTL) circuits have been successfully used to implement digital ICs which are smaller, faster, and more energy efficient that static CMOS implementations of the same designs. Thus far, most PTL implementations have been handcrafted; as such, designer acceptance of PTL has been limited. In this paper, we develop efficient algorithms for… (More)
For many digital designs, implementation in passtransistor logic (PTL) has been shown to be superior in terms of area, timing, and power characteristics to static CMOS. Binary Decision Diagrams (BDDs) have been used for PTL synthesis because of the close relationship between BDDs and PTL. Thus far, BDD optimization for PTL synthesis has targeted minimizing… (More)
We define a notion of equivalence for designs containingblack boxes i.e., components whose functionality is notknown; these arise naturally in the course of hierarchicaldesign. Using this notion, we describe a sound andcomplete methodology for optimizing such designs.
We define a notion of equivalence for designs containing black boxes i.e., components whose functionality is not known: these arise naturally in the course of hierarchical design. Using this notion, we describe a sound and complete methodology for optimizing such designs.