Programmable logic devices with integrated standard-cell...

Details Programmable logic devices with integrated standard-cell... Programmable logic devices with integrated standard-cell...

2005-12-13

2005-12-13

Wamsley, Patrick (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C716S030000

Reexamination Certificate

active

06975137

ABSTRACT:
A programmable logic device (PLD) with a programmable logic core, block memory, and I/O circuitry has one or more blocks of standard-cell logic (SLBs) that are integrated into the PLD design to enable each SLB to be programmably connected to any one or more of the programmable core, the block memory, and/or the I/O circuitry. The addition of standard-cell-based functional blocks creates a PLD with increased overall logic density, a net smaller die size per function, lowered cost, and improvements to both power and performance characteristics relative to equivalent conventional PLDs, such as FPGAs.

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U.S. Appl. No. 10/391,094, parent application.
Lattice Semiconductor Corporation, “ORCA Series 4 FPGAs” datasheet, pp 1-6, 31-32, 39-48, and 57-74, Mar. 2003.

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