The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 2002
Filed:
Dec. 28, 2000
Keith Jordan White, Richmond, VA (US);
Mark Daniel Eubanks, Mechanicsville, VA (US);
Infineon Technologies Richmond, LP, Sandston, VA (US);
Abstract
A method according to the present invention is provided for determining memory device identification. The method invokes a serial output from n identification fuses of two or more memory devices, the output for identifying the device, and sampling the serial output every n bit to determine a fuse state for a fuse of each device. The method further repeats the sampling for all n fuses to acquire fuse data for all devices, and determines a pass/fail string corresponding to the sampled output, the pass/fail string being employed to identify the devices through a parallel test and burn-in system. The output is on an enabled data line which is used during the burn-in test wherein other data lines are disabled for avoiding bus contention. The method also includes storing the pass/fail string for the data in a database, and translating the pass/fail string using a structured query language expression executed against the database.