Programmable logic device having a programmable selector...

Details Programmable logic device having a programmable selector... Programmable logic device having a programmable selector...

2006-01-24

2008-03-18

Barnie, Rexford (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S038000, C326S047000

Reexamination Certificate

active

07345508

ABSTRACT:
A PLD is configurable to efficiently implement a wide variety of user functions. The PLD includes a programmable interconnect circuit, programmable logic circuits, one-bit registers, selector circuits, and input/output blocks. The programmable interconnect circuit is configurable to connect the signal lines of its output ports to the signal lines of its input ports. The programmable logic circuits are configurable to implement a programmable function generating one-bit signal values from a respective output port of the programmable interconnect circuit. The one-bit registers store a respective one of these one-bit signal values. The programmable selector circuits are each coupled to output ports of a plurality of the one-bit registers, with each of these one-bit registers coupled to a respective one of the programmable logic circuits. The programmable input/output blocks are each coupled to an output port of a respective programmable selector circuit and to a respective input port of the programmable interconnect circuit.

REFERENCES:
patent: 6034541 (2000-03-01), Kopec et al.
patent: 6608500 (2003-08-01), Lacey et al.
patent: 7129747 (2006-10-01), Jang et al.

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