Method and system for construction of a highly efficient and predictable sequential test decompression logic

US9817069B1 · kind B1 · utility

Assignee

• Cadence Design Systems, Inc. · US

Inventors

• Steev Wilcox · San Jose, US
• Krishna Vijaya Chakravadhanula · Vestal, US
• Vivek Chickermane · Ithaca, US
• Paul Alexander Cunningham · San Jose, US
• Brian Foutz · Charlottesville, US

Key dates

• Filing date: Jun 29, 2015
• Grant date: Nov 14, 2017
• Expiry date: Jun 29, 2035

Classification

• Technology area (CPC G): Physics
• CPC primary: G01R31/318544
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Systems and methods for a sequential decompressor which builds equations predictably provide a first-in, first out (“FIFO”) shift register which is fed by a first XOR decompressor and provides outputs to a second XOR decompressor.