Patent ID: 6320411
Filing Date: 2001-11-20
Classification: H03K

Abstract:
A programmable logic device comprising:a plurality of logic regions, each of said logic regions having at least one input, a logic array programmable to produce a plurality of product-term signals, and a plurality of product-term-type logic elements, wherein each product-term-type logic element has at least one logic element output and is associated with a different subplurality of said product-term signals;a plurality of conductors configured to conduct signals to said logic regions; anda first multiplexer having a plurality of first multiplexer inputs and a first multiplexer output, wherein:said first multiplexer output is connected to said at least one input of a first one of said logic regions;one of said first multiplexer inputs is connected to one of said plurality of conductors; andanother of said first multiplexer inputs is connected to one of said at least one logic element output of a second one of said logic regions.