AU1540195A - Analogue memory system - Google Patents

Analogue memory system

Info

Publication number
AU1540195A
AU1540195A AU15401/95A AU1540195A AU1540195A AU 1540195 A AU1540195 A AU 1540195A AU 15401/95 A AU15401/95 A AU 15401/95A AU 1540195 A AU1540195 A AU 1540195A AU 1540195 A AU1540195 A AU 1540195A
Authority
AU
Australia
Prior art keywords
memory system
analogue memory
analogue
memory
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU15401/95A
Inventor
Alexander Roger Deas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Memory Corp PLC
Original Assignee
Memory Corp PLC
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 Memory Corp PLC filed Critical Memory Corp PLC
Publication of AU1540195A publication Critical patent/AU1540195A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11C11/5621—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 charge storage in a floating gate
    • 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
    • G11C11/5621—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 charge storage in a floating gate
    • G11C11/5628—Programming or writing circuits; Data input circuits
    • 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
    • G11C11/5621—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 charge storage in a floating gate
    • G11C11/5642—Sensing or reading circuits; Data output circuits
    • 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
    • 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
    • G11C2211/563—Multilevel memory reading aspects
    • G11C2211/5634—Reference cells
    • 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
    • G11C2211/5642—Multilevel memory with buffers, latches, registers at input or output
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters 
AU15401/95A 1994-01-22 1995-01-23 Analogue memory system Abandoned AU1540195A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9401227A GB9401227D0 (en) 1994-01-22 1994-01-22 Non-volatile digital memory device with multi-level storage cells
GB9401227 1994-01-22
PCT/GB1995/000125 WO1995020224A1 (en) 1994-01-22 1995-01-23 Analogue memory system

Publications (1)

Publication Number Publication Date
AU1540195A true AU1540195A (en) 1995-08-08

Family

ID=10749185

Family Applications (1)

Application Number Title Priority Date Filing Date
AU15401/95A Abandoned AU1540195A (en) 1994-01-22 1995-01-23 Analogue memory system

Country Status (3)

Country Link
AU (1) AU1540195A (en)
GB (1) GB9401227D0 (en)
WO (1) WO1995020224A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5687114A (en) 1995-10-06 1997-11-11 Agate Semiconductor, Inc. Integrated circuit for storage and retrieval of multiple digital bits per nonvolatile memory cell
US5815439A (en) * 1996-04-30 1998-09-29 Agate Semiconductor, Inc. Stabilization circuits and techniques for storage and retrieval of single or multiple digital bits per memory cell
US6857099B1 (en) * 1996-09-18 2005-02-15 Nippon Steel Corporation Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program
US5890198A (en) * 1996-10-22 1999-03-30 Micron Technology, Inc. Intelligent refresh controller for dynamic memory devices
US6487116B2 (en) 1997-03-06 2002-11-26 Silicon Storage Technology, Inc. Precision programming of nonvolatile memory cells
US5870335A (en) 1997-03-06 1999-02-09 Agate Semiconductor, Inc. Precision programming of nonvolatile memory cells
US6282145B1 (en) 1999-01-14 2001-08-28 Silicon Storage Technology, Inc. Array architecture and operating methods for digital multilevel nonvolatile memory integrated circuit system
US6075719A (en) * 1999-06-22 2000-06-13 Energy Conversion Devices, Inc. Method of programming phase-change memory element
US6396742B1 (en) 2000-07-28 2002-05-28 Silicon Storage Technology, Inc. Testing of multilevel semiconductor memory
US6538922B1 (en) 2000-09-27 2003-03-25 Sandisk Corporation Writable tracking cells
US7237074B2 (en) 2003-06-13 2007-06-26 Sandisk Corporation Tracking cells for a memory system
US7471552B2 (en) 2003-08-04 2008-12-30 Ovonyx, Inc. Analog phase change memory
US7301807B2 (en) 2003-10-23 2007-11-27 Sandisk Corporation Writable tracking cells

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099297A (en) * 1988-02-05 1992-03-24 Emanuel Hazani EEPROM cell structure and architecture with programming and erase terminals shared between several cells
US5095344A (en) * 1988-06-08 1992-03-10 Eliyahou Harari Highly compact eprom and flash eeprom devices
US5172338B1 (en) * 1989-04-13 1997-07-08 Sandisk Corp Multi-state eeprom read and write circuits and techniques
US5218569A (en) * 1991-02-08 1993-06-08 Banks Gerald J Electrically alterable non-volatile memory with n-bits per memory cell

Also Published As

Publication number Publication date
GB9401227D0 (en) 1994-03-16
WO1995020224A1 (en) 1995-07-27

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