Logic array devices having complex macro-cell architecture...

Details Logic array devices having complex macro-cell architecture... Logic array devices having complex macro-cell architecture...

2007-07-24

2007-07-24

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S041000, C326S047000

Reexamination Certificate

active

11023860

ABSTRACT:
Logic array devices having complex macro-cell architecture and methods facilitating use of same. A semiconductor device comprising an array of logic cells and programmable metal includes gate structures that are pre-wired, where, inputs and/or outputs are available for routing in programmable metal, possibly as part of a hybrid process. The device can also include selectable, in-line inverters, which can share the input/output tracks with logic inputs. A bubble-pushing algorithm can take advantage of the selectable in-line inverters to reduce the number of inverters in a design. In some embodiments, an embedded clock line is common to a plurality of logic cells. The clock line is terminated in a clock cell, which can include test logic, so that a clock group is formed. Flexibility to power down cells, or groups of cells can be provided by power traces with programmable connections.

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