Logic circuit synthesizer

Details Logic circuit synthesizer Logic circuit synthesizer

1993-04-27

1995-09-19

Trans, Vincent N.

Boots, shoes, and leggings

364488, G06F 1750

Patent

active

054522307

ABSTRACT:
A logic circuit synthesizer is disclosed which synthesizes a better dimensioned logic circuit which has improved electrical characteristics. A logic circuit leveling part levels logic circuit data while referring to a leveling dictionary and maintaining logic function frames to thereby output leveled logic circuit data which contains information about logic function frames. The leveled logic circuit data are then given to a logic circuit synthesizing part where they are leveled using a conversion library and considering the information about logic function frames, whereby synthesized logic circuit data are produced. Since the synthesizing is performed in light of the information about logic function frames and what are prescribed in the conversion library a resultant synthesized logic circuit is improved in terms of both electrical characteristics and a dimension accuracy.

REFERENCES:
patent: 4703435 (1987-10-01), Darringer et al.
patent: 5029102 (1991-07-01), Drumm et al.
patent: 5175696 (1992-12-01), Hooper et al.
patent: 5212650 (1993-05-01), Hooper et al.
patent: 5276855 (1994-01-01), Kitahara
patent: 5331569 (1994-07-01), Iijma
"Design Systems for VLSI Logic Synthesis and Silicon Compilation" edited by G. DeMicheli et al., Martinus Nijhoff publishers.
"Hierarchical Logic Synthesis System for VLSI" by I. Matsumoto et al., IEEE preceeding of ISCAS 1985, pp. 651-654.
"Experiments in Logic Synthesis" by J. A. Darringer et al., IEEE ICCC 1980, pp. 234-237A.

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