Invention Grant
- Patent Title: Product-sum operation device, logical calculation device, neuromorphic device, and multiply-accumulate method
-
Application No.: US17281021Application Date: 2018-10-11
-
Publication No.: US12001811B2Publication Date: 2024-06-04
- Inventor: Kuniyasu Ito , Tatsuo Shibata
- Applicant: TDK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: TDK CORPORATION
- Current Assignee: TDK CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- International Application: PCT/JP2018/037962 2018.10.11
- International Announcement: WO2020/075272A 2020.04.16
- Date entered country: 2021-03-29
- Main IPC: G06F7/544
- IPC: G06F7/544 ; G06G7/16 ; G06N3/065

Abstract:
A multiply-accumulate calculation device includes: multiple calculation units which generates output signals by multiplying an input signal corresponding to an input value and having a rising part, a signal part, and a falling part by a weight, and output the output signals; an accumulate calculation unit configured to calculate a sum of the output signals output from the plurality of multiple calculation units; and a correction unit configured to execute correction processing for correcting the sum of the output signals on the basis of a correction value including at least one of a first value incorporated into the sum by a current flowing into variable resistors of the multiple calculation units due to the rising part of the input signal, and a second value incorporated into the sum by a current flowing into the variable resistors of the multiple calculation units due to the falling part of the input signal.
Public/Granted literature
Information query