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:
Jun. 20, 1989
Filed:
Nov. 05, 1987
Applicant:
Inventors:
Ronald J Prilik, South Burlington, VT (US);
James R Varner, Essex Junction, VT (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365201 ; 365154 ; 365226 ; 36518903 ;
Abstract
A memory array device with an embedded self-test binary pattern. The device has an array of bistable cells formed with first and second sides that are oppositely connected to a first voltage line or a second voltage line. If the first and second voltage lines are energized at the same voltage level, each of the bistable cells will function in a normal bistable mode. If the first and second voltage lines are energized at different levels, each of the bistable cells will function in an embedded binary pattern mode.