GB2272089B - Method for improved programming of virtual ground eprom arrays - Google Patents

Method for improved programming of virtual ground eprom arrays

Info

Publication number
GB2272089B
GB2272089B GB9324581A GB9324581A GB2272089B GB 2272089 B GB2272089 B GB 2272089B GB 9324581 A GB9324581 A GB 9324581A GB 9324581 A GB9324581 A GB 9324581A GB 2272089 B GB2272089 B GB 2272089B
Authority
GB
United Kingdom
Prior art keywords
virtual ground
improved programming
eprom arrays
ground eprom
arrays
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.)
Expired - Lifetime
Application number
GB9324581A
Other versions
GB9324581D0 (en
GB2272089A (en
Inventor
Chin S Park
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.)
Intel Corp
Original Assignee
Intel Corp
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
Priority claimed from US07/439,694 external-priority patent/US5027321A/en
Application filed by Intel Corp filed Critical Intel Corp
Publication of GB9324581D0 publication Critical patent/GB9324581D0/en
Publication of GB2272089A publication Critical patent/GB2272089A/en
Application granted granted Critical
Publication of GB2272089B publication Critical patent/GB2272089B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/34Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/3418Disturbance prevention or evaluation; Refreshing of disturbed memory data
    • G11C16/3427Circuits or methods to prevent or reduce disturbance of the state of a memory cell when neighbouring cells are read or written
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/10Programming or data input circuits
    • G11C16/12Programming voltage switching circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/26Sensing or reading circuits; Data output circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0491Virtual ground arrays
GB9324581A 1989-11-21 1993-11-30 Method for improved programming of virtual ground eprom arrays Expired - Lifetime GB2272089B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/439,694 US5027321A (en) 1989-11-21 1989-11-21 Apparatus and method for improved reading/programming of virtual ground EPROM arrays
GB9005481A GB2238410B (en) 1989-11-21 1990-03-12 Apparatus and method for improved reading/programming of virtual ground EPROM arrays

Publications (3)

Publication Number Publication Date
GB9324581D0 GB9324581D0 (en) 1994-01-19
GB2272089A GB2272089A (en) 1994-05-04
GB2272089B true GB2272089B (en) 1994-08-03

Family

ID=26296771

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9324581A Expired - Lifetime GB2272089B (en) 1989-11-21 1993-11-30 Method for improved programming of virtual ground eprom arrays

Country Status (1)

Country Link
GB (1) GB2272089B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20011150A1 (en) 2001-05-30 2002-11-30 St Microelectronics Srl COLUMN MULTIPLATOR FOR SEMICONDUCTOR MEMORIES
EP1262995B1 (en) 2001-05-30 2010-01-27 STMicroelectronics S.r.l. A semiconductor memory system
JP2005537597A (en) * 2002-08-22 2005-12-08 スパンション エルエルシー Column decoding and precharging of flash memory devices
US7142454B2 (en) 2002-09-12 2006-11-28 Spansion, Llc System and method for Y-decoding in a flash memory device

Also Published As

Publication number Publication date
GB9324581D0 (en) 1994-01-19
GB2272089A (en) 1994-05-04

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20100311