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. 21, 1977
Filed:
Jul. 10, 1975
Applicant:
Inventors:
John Anthony Reed, Los Altos, CA (US);
Joel Allen Karp, Palo Alto, CA (US);
Assignee:
Burroughs Corporation, Detroit, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
3401 / ; 3401 / ; 307238 ; 307279 ;
Abstract
This disclosure relates to a high impedance regenerative differential sense amplifier for use with an integrated circuit memory array of single transistor cells. Each of the sense amplifiers is formed of a cross coupled latch connected to the respective columns by source followers and leads from the latch drive write back gates coupled to the respective columns so as to restore a 'zero' level of a cell and also leave a precharged 'one' level with the cell by charging the appropriate column. The respective columns are initially precharged and balanced and then driven by negative going signals.