Built-In Self-Test Architecture Enabling Diagnosis for Massive Embedded Memory Banks in Large SoCs

Author:

Bernardi Paolo1ORCID,Guerriero Augusto Maria1,Insinga Giorgio1ORCID,Paganini Giovanni1,Carnevale Giambattista2,Coppetta Matteo2,Mischo Walter3,Ullmann Rudolf3

Affiliation:

1. Diparimento di Automatica e Informatica (DAUIN), Politecnico di Torino, 10129 Torino, Italy

2. Infineon Technologies, 35131 Padova, Italy

3. Infineon Technologies, 85579 Neubiberg, Germany

Abstract

This paper describes a hardware/software strategy for the effective and efficient management of several distributed Memory Built-In Self-Test (MBIST) units orchestrated by a single CPU to enable the parallel testing of several memory banks. Experimental testing of the implementation on an Infineon chip shows up to a 25% test time reduction compared to traditional strategies, especially in cases for which there are a large number of failures affecting several banks. Additionally, it permits balanced failure collection from different banks in cases for which there are limitations to the storage of failure-related information.

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Computer Networks and Communications,Hardware and Architecture,Signal Processing,Control and Systems Engineering

Reference17 articles.

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