Array of configurable logic blocks including network means for b

Details Array of configurable logic blocks including network means for b Array of configurable logic blocks including network means for b

1996-02-05

1997-01-28

Trans, Vincent N.

Boots, shoes, and leggings

364488, 34082583, 326 39, H03K 17693

Patent

active

055983464

ABSTRACT:
A programmable integrated circuit includes configurable logic blocks (CLB's), configurable input/output blocks (IOB's) and a configurable interconnect network for providing program-defined routing of signals between the CLB's and IOB's. Each CLB includes an internal clock selector for selecting a CLB-internal clock and at least one register that is responsive to the selected CLB-internal clock. The configurable interconnect network includes clock-carrying longlines extending in different directions past each CLB for broadcasting clock signals. The broadcast clock signals can originate outside the programmable integrated circuit or such broadcast clock signals can be generated within one or more of the CLB's and thereafter broadcast by way of the clock broadcasting longlines to others of the CLB's.

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