Patent Number: 7,281,182

Title: Method and circuit using boundary scan cells for design library analysis

Abstract: A boundary scan register circuit and a method of characterization testing. The boundary scan register circuit, including: a multiplicity of boundary scan cells connected in series, each boundary scan cell having a latch; means for isolating the boundary scan cells into one or more boundary scan segments, each boundary scan segment containing a different set of the boundary scan cells; and means for characterizing signal propagation through each boundary scan segment.

Inventors: Gillis; Pamela S. (Jericho, VT), Litten; David D. (Jericho, VT), Oakland; Steven F. (Colchester, VT)

Assignee: International Business Machines Corporation

International Classification: G01R 31/28 (20060101)

Expiration Date: 2019-10-09 0:00:00