信号発生装置および伝送装置

Title:

信号発生装置および伝送装置

Document Type and Number:

Japanese Patent JP6502799

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To generate an output signal in a probability according to a specified value.SOLUTION: A signal generator comprises a resistance change element, a voltage setting part, a pulse generation part, a reading part, and an output part. When an applied voltage is increased or decreased, the resistance change element changes in a prescribed transition voltage from a first resistive state to a second resistive state. The voltage setting part sets an applied voltage value applied to the resistance change element. The pulse generation part applies, to the resistance change element, a voltage pulse having a total pulse width equal to a time width according to a specified value and an amplitude equal to the applied voltage value. The reading part reads the state of the resistance change element after the voltage pulse is applied. The output part outputs an output signal with a value according to the state of the resistance change element which is read. The voltage setting part sets an applied voltage value so that a cumulative probability distribution of change from the first resistive state to the second resistive state when a voltage is applied to the resistance change element while changing the time width is an exponential distribution.SELECTED DRAWING: Figure 1

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Inventors:

Yoshifumi Nishi
Yuichiro Mitani
Yusuke Higashi
Marugame Takao

Application Number:

JP2015174954A

Publication Date:

April 17, 2019

Filing Date:

September 04, 2015

Export Citation:

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Assignee:

Toshiba Corporation

International Classes:

G06N3/063; G11C11/54; G11C13/00; H01L21/8239; H01L27/105; H01L45/00; H01L49/00

Domestic Patent References:

JP2013197523A
JP2011204782A
JP2010225211A
JP7200512A
JP3144785A

Foreign References:

US20150006455
US20140258194
US20120011093

Other References:

西義史、小山正人,フツ化カルシウム薄膜のメモリスタ特性,2012年春季第59回応用物理学関係連合講演会講演予稿集,日本,公益社団法人応用物理学会,2012年 2月29日,p.06_154(16p-F6-13),ISBN978-4-86348-237-1

Attorney, Agent or Firm:

Sakai International Patent Office

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