Programmable analog VLSI CNN chip with local digital logic

K. Halonen, V. Porra, T. Roska, L. Chua

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

A new integrated circuit cellular neural network (CNN) implementation having digitally or continuously selectable template coefficients is presented. Local logic and memory are added into each cell providing a simple dual (analog and digital) computing structure. The variable-gain operational transconductance amplifiers (OTAs) are used as the voltage controlled current sources to program the template element values. This analog array processor can be applied to solve problems with a sequence of different templates. A 4-by-4 CNN circuit is realized using the 2-μm analog CMOS process. To test the circuit a general purpose control system was designed with the microcomputer interface.

Original languageEnglish
Pages (from-to)1291-1294
Number of pages4
JournalProceedings - IEEE International Symposium on Circuits and Systems
Volume2
Publication statusPublished - Dec 1 1991
Event1991 IEEE International Symposium on Circuits and Systems Part 4 (of 5) - Singapore, Singapore
Duration: Jun 11 1991Jun 14 1991

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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