IT201900021606A1 - Dispositivo di memoria a cambiamento di fase e metodo di programmazione di un dispositivo di memoria a cambiamento di fase - Google Patents

Dispositivo di memoria a cambiamento di fase e metodo di programmazione di un dispositivo di memoria a cambiamento di fase

Info

Publication number
IT201900021606A1
IT201900021606A1 IT102019000021606A IT201900021606A IT201900021606A1 IT 201900021606 A1 IT201900021606 A1 IT 201900021606A1 IT 102019000021606 A IT102019000021606 A IT 102019000021606A IT 201900021606 A IT201900021606 A IT 201900021606A IT 201900021606 A1 IT201900021606 A1 IT 201900021606A1
Authority
IT
Italy
Prior art keywords
memory device
phase change
change memory
programming
phase
Prior art date
Application number
IT102019000021606A
Other languages
English (en)
Inventor
Giovanni Campardo
Massimo Borghi
Paola Zuliani
Marco Barboni
Original Assignee
St Microelectronics Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT102019000021606A priority Critical patent/IT201900021606A1/it
Priority to US17/099,257 priority patent/US11462269B2/en
Publication of IT201900021606A1 publication Critical patent/IT201900021606A1/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021—Auxiliary circuits
    • G11C13/0069—Writing or programming circuits or methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/005—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor comprising combined but independently operative RAM-ROM, RAM-PROM, RAM-EPROM cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5678—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using amorphous/crystalline phase transition storage elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0004—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising amorphous/crystalline phase transition cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021—Auxiliary circuits
    • G11C13/0023—Address circuits or decoders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021—Auxiliary circuits
    • G11C13/0033—Disturbance prevention or evaluation; Refreshing of disturbed memory data
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/20—Multistable switching devices, e.g. memristors
    • H10N70/231—Multistable switching devices, e.g. memristors based on solid-state phase change, e.g. between amorphous and crystalline phases, Ovshinsky effect
    • H10N70/235—Multistable switching devices, e.g. memristors based on solid-state phase change, e.g. between amorphous and crystalline phases, Ovshinsky effect between different crystalline phases, e.g. cubic and hexagonal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021—Auxiliary circuits
    • G11C13/0069—Writing or programming circuits or methods
    • G11C2013/0092—Write characterized by the shape, e.g. form, length, amplitude of the write pulse
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/564—Miscellaneous aspects
    • G11C2211/5641—Multilevel memory having cells with different number of storage levels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Semiconductor Memories (AREA)
  • Dram (AREA)
IT102019000021606A 2019-11-19 2019-11-19 Dispositivo di memoria a cambiamento di fase e metodo di programmazione di un dispositivo di memoria a cambiamento di fase IT201900021606A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT102019000021606A IT201900021606A1 (it) 2019-11-19 2019-11-19 Dispositivo di memoria a cambiamento di fase e metodo di programmazione di un dispositivo di memoria a cambiamento di fase
US17/099,257 US11462269B2 (en) 2019-11-19 2020-11-16 Phase change memory device and method of programming a phase change memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000021606A IT201900021606A1 (it) 2019-11-19 2019-11-19 Dispositivo di memoria a cambiamento di fase e metodo di programmazione di un dispositivo di memoria a cambiamento di fase

Publications (1)

Publication Number Publication Date
IT201900021606A1 true IT201900021606A1 (it) 2021-05-19

Family

ID=69743887

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000021606A IT201900021606A1 (it) 2019-11-19 2019-11-19 Dispositivo di memoria a cambiamento di fase e metodo di programmazione di un dispositivo di memoria a cambiamento di fase

Country Status (2)

Country Link
US (1) US11462269B2 (it)
IT (1) IT201900021606A1 (it)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050117387A1 (en) * 2003-03-27 2005-06-02 Young-Nam Hwang Phase-change memory and method having restore function
US20050237820A1 (en) * 2003-11-28 2005-10-27 Hitachi, Ltd. Semiconductor integrated circuit device
US20090067229A1 (en) * 2007-09-10 2009-03-12 Hee Bok Kang Semiconductor memory device for writing data to multiple cells simultaneously and refresh method thereof
US20090201721A1 (en) * 2008-02-11 2009-08-13 Dae-Won Ha Phase change memory device and write method thereof
US20100321989A1 (en) * 2009-06-19 2010-12-23 Hynix Semiconductor Inc. Fusion memory device embodied with phase change memory devices having different resistance distributions and data processing system using the same
US20110122687A1 (en) * 2009-11-24 2011-05-26 Innovative Silicon Isi Sa Techniques for reducing disturbance in a semiconductor device
US8331128B1 (en) * 2008-12-02 2012-12-11 Adesto Technologies Corporation Reconfigurable memory arrays having programmable impedance elements and corresponding methods

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825046A (en) 1996-10-28 1998-10-20 Energy Conversion Devices, Inc. Composite memory material comprising a mixture of phase-change memory material and dielectric material
US6987691B2 (en) 2003-12-02 2006-01-17 International Business Machines Corporation Easy axis magnetic amplifier
US7391642B2 (en) 2005-01-25 2008-06-24 Intel Corporation Multilevel programming of phase change memory cells
EP2249351B1 (en) 2005-06-03 2013-05-01 STMicroelectronics Srl Method for multilevel programming of phase change memory cells using a percolation algorithm
DE602007010624D1 (de) 2007-09-07 2010-12-30 Milano Politecnico Phasenwechsel-Speichervorrichtung für Multibit-Speicherung
US7787291B2 (en) 2007-09-26 2010-08-31 Intel Corporation Programming a multilevel phase change memory cell
IT1392578B1 (it) 2008-12-30 2012-03-09 St Microelectronics Rousset Metodo di programmazione multilivello di celle di memoria a cambiamento di fase utilizzante impulsi di reset adattativi
US8804449B2 (en) * 2012-09-06 2014-08-12 Micron Technology, Inc. Apparatus and methods to provide power management for memory devices
US9666273B2 (en) * 2015-06-18 2017-05-30 International Business Machines Corporation Determining a cell state of a resistive memory cell
US10872664B1 (en) * 2019-08-01 2020-12-22 Taiwan Semiconductor Manufacturing Co., Ltd. PCRAM analog programming by a gradual reset cooling step

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050117387A1 (en) * 2003-03-27 2005-06-02 Young-Nam Hwang Phase-change memory and method having restore function
US20050237820A1 (en) * 2003-11-28 2005-10-27 Hitachi, Ltd. Semiconductor integrated circuit device
US20090067229A1 (en) * 2007-09-10 2009-03-12 Hee Bok Kang Semiconductor memory device for writing data to multiple cells simultaneously and refresh method thereof
US20090201721A1 (en) * 2008-02-11 2009-08-13 Dae-Won Ha Phase change memory device and write method thereof
US8331128B1 (en) * 2008-12-02 2012-12-11 Adesto Technologies Corporation Reconfigurable memory arrays having programmable impedance elements and corresponding methods
US20100321989A1 (en) * 2009-06-19 2010-12-23 Hynix Semiconductor Inc. Fusion memory device embodied with phase change memory devices having different resistance distributions and data processing system using the same
US20110122687A1 (en) * 2009-11-24 2011-05-26 Innovative Silicon Isi Sa Techniques for reducing disturbance in a semiconductor device

Also Published As

Publication number Publication date
US11462269B2 (en) 2022-10-04
US20210166757A1 (en) 2021-06-03

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