KR100525921B1 - 플래쉬 메모리 소자 - Google Patents
플래쉬 메모리 소자 Download PDFInfo
- Publication number
- KR100525921B1 KR100525921B1 KR10-2001-0081940A KR20010081940A KR100525921B1 KR 100525921 B1 KR100525921 B1 KR 100525921B1 KR 20010081940 A KR20010081940 A KR 20010081940A KR 100525921 B1 KR100525921 B1 KR 100525921B1
- Authority
- KR
- South Korea
- Prior art keywords
- flash memory
- memory cell
- cell array
- memory device
- switching means
- 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 - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 239000002784 hot electron Substances 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3436—Arrangements for verifying correct programming or erasure
- G11C16/3468—Prevention of overerasure or overprogramming, e.g. by verifying whilst erasing or writing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
- G11C16/16—Circuits for erasing electrically, e.g. erase voltage switching circuits for erasing blocks, e.g. arrays, words, groups
Landscapes
- Read Only Memory (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (2)
- 플래쉬 메모리 소자에 있어서,다수의 제 1 워드라인들과 다수의 제 1 비트라인들에 각각 연결되는 제 1 플래쉬 메모리 셀들을 포함하는 제 1 플래쉬 메모리 셀 어레이와,상기 제 1 비트라인들에 각각 연결되는 제 1 단자를 각각 포함하는 다수의 스위칭 수단들과,상기 다수의 스위칭 수단들의 제 2 단자들이 함께 연결된 공통 단자에 공통으로 연결되는 다수의 제 2 워드라인들과, 다수의 제 2 비트라인들에 각각 연결되는 제 2 플래쉬 메모리 셀들을 포함하는 제 2 플래쉬 메모리 셀 어레이를 포함하고,상기 제 1 플래쉬 메모리 셀 어레이의 소거 동작시, 상기 제 2 플래쉬 메모리 셀들 각각의 소오스 및 드레인이 플로팅되고, 상기 다수의 스위칭 수단들이 상기 다수의 제 1 비트라인들과 상기 다수의 제 2 워드라인들을 연결하는 것을 특징으로 하는 플래쉬 메모리 소자.
- 제 1 항에 있어서, 상기 다수의 스위칭 수단들은 소거시에는 로우 펄스에 의해 구동되고, 독출시에는 독출 전압이 인가되는 다수의 PMOS 트랜지스터로 이루어진 것을 특징으로 하는 플래쉬 메모리 소자.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0081940A KR100525921B1 (ko) | 2001-12-20 | 2001-12-20 | 플래쉬 메모리 소자 |
US10/287,784 US6717849B2 (en) | 2001-12-20 | 2002-11-05 | Flash memory device |
TW091132660A TWI237269B (en) | 2001-12-20 | 2002-11-06 | Flash memory device |
JP2002352579A JP3806401B2 (ja) | 2001-12-20 | 2002-12-04 | フラッシュメモリ素子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0081940A KR100525921B1 (ko) | 2001-12-20 | 2001-12-20 | 플래쉬 메모리 소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030051042A KR20030051042A (ko) | 2003-06-25 |
KR100525921B1 true KR100525921B1 (ko) | 2005-11-02 |
Family
ID=36821391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0081940A Expired - Fee Related KR100525921B1 (ko) | 2001-12-20 | 2001-12-20 | 플래쉬 메모리 소자 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6717849B2 (ko) |
JP (1) | JP3806401B2 (ko) |
KR (1) | KR100525921B1 (ko) |
TW (1) | TWI237269B (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6834012B1 (en) | 2004-06-08 | 2004-12-21 | Advanced Micro Devices, Inc. | Memory device and methods of using negative gate stress to correct over-erased memory cells |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0512889A (ja) * | 1991-07-08 | 1993-01-22 | Toshiba Corp | 不揮発性半導体記憶装置 |
JP2001143486A (ja) * | 1999-11-09 | 2001-05-25 | Fujitsu Ltd | 不揮発性半導体記憶装置 |
KR20030041007A (ko) * | 2001-11-19 | 2003-05-23 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자 및 그 소거 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5023837A (en) * | 1989-09-05 | 1991-06-11 | Texas Instruments Incorporated | Bitline segmentation in logic arrays |
US5295113A (en) * | 1991-05-09 | 1994-03-15 | Intel Corporation | Flash memory source inhibit generator |
JPH113595A (ja) * | 1997-06-13 | 1999-01-06 | Sharp Corp | 不揮発性半導体記憶装置 |
JPH1139886A (ja) * | 1997-07-14 | 1999-02-12 | Rohm Co Ltd | 半導体メモリ |
JP3629383B2 (ja) * | 1999-06-10 | 2005-03-16 | シャープ株式会社 | 不揮発性半導体記憶装置の消去方式 |
JP3775963B2 (ja) * | 2000-02-02 | 2006-05-17 | シャープ株式会社 | 不揮発性半導体メモリ装置の消去方式 |
-
2001
- 2001-12-20 KR KR10-2001-0081940A patent/KR100525921B1/ko not_active Expired - Fee Related
-
2002
- 2002-11-05 US US10/287,784 patent/US6717849B2/en not_active Expired - Fee Related
- 2002-11-06 TW TW091132660A patent/TWI237269B/zh not_active IP Right Cessation
- 2002-12-04 JP JP2002352579A patent/JP3806401B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0512889A (ja) * | 1991-07-08 | 1993-01-22 | Toshiba Corp | 不揮発性半導体記憶装置 |
JP2001143486A (ja) * | 1999-11-09 | 2001-05-25 | Fujitsu Ltd | 不揮発性半導体記憶装置 |
KR20030041007A (ko) * | 2001-11-19 | 2003-05-23 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자 및 그 소거 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20030117849A1 (en) | 2003-06-26 |
KR20030051042A (ko) | 2003-06-25 |
JP2003217290A (ja) | 2003-07-31 |
TW200407897A (en) | 2004-05-16 |
JP3806401B2 (ja) | 2006-08-09 |
US6717849B2 (en) | 2004-04-06 |
TWI237269B (en) | 2005-08-01 |
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