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:
Apr. 03, 2018
Filed:
May. 10, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Jin-Ping Han, Yorktown Heights, NY (US);
Xiao Sun, Yorktown Heights, NY (US);
Teng Yang, Yorktown Heights, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/22 (2006.01); G11C 13/00 (2006.01); G06N 3/04 (2006.01); G06N 3/08 (2006.01);
U.S. Cl.
CPC ...
G11C 11/2273 (2013.01); G06N 3/04 (2013.01); G06N 3/084 (2013.01); G11C 13/004 (2013.01); G11C 2013/0052 (2013.01);
Abstract
A memory unit cell and memory array device are provided. The memory unit cell includes a pulse adjustment circuit for providing an adjusted pulse with symmetric weight updating for a given state update in response to an input pulse and state feedback. The memory unit further includes a synapse element having a memory element with hysteresis for storing one of multiple possible states responsive to the adjusted pulse and for providing the state feedback to the pulse adjustment circuit.