Programmable logic device with enhanced wide and deep logic...

Details Programmable logic device with enhanced wide and deep logic... Programmable logic device with enhanced wide and deep logic...

2005-07-26

2005-07-26

Tokar, Michael (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S038000, C326S040000, C326S041000

Reexamination Certificate

active

06922078

ABSTRACT:
A programmable logic device includes a plurality of logic blocks organized into a cluster. Each logic block may form product terms of a fixed input width. The cluster is configured to provide input width cascading between the blocks. In addition, the cluster is configured to provide depth cascading such that sum of all the product terms from one logic block may be cascaded to another.

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IspMACH 5000VG Family, 3.3V In-System Programmable SuperBIG, SuperWIDE High Density PLDs Datasheet, Lattice Semiconductor Corporation, Dec. 2001.
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U.S. patent application entitled “Multi-Stage Interconnect Architecture For Complex Programmable Logic Devices”, given Ser. No. 10/428,888, filed on May 1, 2003.
U.S. patent application entitled “CPLD with Multi-Function Blocks And distributed Memory”, given Ser. No. 10/428,889, filed on May 1, 2003.
U.S. patent application entitled “Cascaded Logic Block Architecture For Complex Programmable Logic Devices”, given Ser. No. 10/428,885, filed on May 1, 2003.

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