tag: SLT

Software-Driven and System-Level Tests Drive Chip Quality
By Bryon Moyer - 08 Mar, 2022 - Comments: 0

Traditional semiconductor testing typically involves tests executed by automatic test equipment (ATE). But engineers are beginning to favor an additional late-test pass that tests systems-on-chip (SoCs) in a system context in order to catch design issues prior to end-product assembly. “System-level test (SLT) gives a high-volume environment where you can test the hardware and software toge... » read more

SLT Enables Test Content To Shift Right
By Dave Armstrong - 10 Aug, 2021 - Comments: 0

By Dave Armstrong, Davette Berry, and Craig Snyder Increasing device complexity and the continuing drive for higher levels of quality are fostering a reconsideration of test strategies. To be effective, test engineers must choose how to optimally deploy test content, from wafer probing to system-level test (SLT). A March 2019 TestConX presentation1 outlines how test content is typically allo... » read more

Chasing Test Escapes In IC Manufacturing
By Anne Meixner - 11 May, 2021 - Comments: 0

The number of bad chips that slip through testing and end up in the field can be significantly reduced before those devices ever leave the fab, but the cost of developing the necessary tests and analyzing the data has sharply limited adoption. Determining an acceptable test escape metric for an IC is essential to improving the yield-to-quality ratio in chip manufacturing, but what exactly is... » read more

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