FPGA WITH RECONFIGURABLE THRESHOLD LOGIC GATES FOR IMPROVED PERFORMANCE, POWER, AND AREA

Patent №

US 11,356,100

Granted

2022-06-07

Filed 2020

Owner

ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY

Lab

AI components

1

hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

16926718

A field-programmable gate array (FPGA) with reconfigurable threshold logic gates for improved performance, power, and area (PPA) is provided. This disclosure describes a new architecture for an FPGA, referred to as threshold logic FPGA (TLFPGA), that integrates a conventional lookup table (LUT) with a complementary metal-oxide-semiconductor (CMOS) digital implementation of a binary perceptron, referred to as a threshold logic cell (TLC). The TLFPGA design described herein, combined with a new logic mapping algorithm that exploits the presence of both conventional LUTs and TLCs within the basic logic element (BLE) block, achieves significant improvements in all the metrics of PPA. The TLCs of embodiments described herein are capable of implementing a complex threshold function, which if implemented using conventional gates would require several levels of logic gates. The TLCs only require seven static random-access memory (SRAM) cells and are significantly faster than the conventional LUTs.

AI hardwareH03K 19/17728G06F 30/343G06F 30/347H03K 19/17744H03K 19/17796G06F 30/34G06F 2119/06

AI classification

AI hardware1.00
Machine learning0.02
Evolutionary computation0.00
Natural language0.00
Vision0.00
Knowledge representation0.00
Speech0.00
Planning0.00

Ownership

ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY

assignment · 538540470

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