KR0161410B1 - 낸드형 플래쉬 메모리의 리드전압 인가 방법 - Google Patents
낸드형 플래쉬 메모리의 리드전압 인가 방법 Download PDFInfo
- Publication number
- KR0161410B1 KR0161410B1 KR1019950014326A KR19950014326A KR0161410B1 KR 0161410 B1 KR0161410 B1 KR 0161410B1 KR 1019950014326 A KR1019950014326 A KR 1019950014326A KR 19950014326 A KR19950014326 A KR 19950014326A KR 0161410 B1 KR0161410 B1 KR 0161410B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- select transistor
- voltage
- string
- voltage applied
- 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
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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
- G11C16/26—Sensing or reading circuits; Data output 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
- G11C16/30—Power supply 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
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
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- Read Only Memory (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (5)
- 비트라인, 상기 비트라인 직렬로 연결된 스트링 선택 트랜지스터, 상기 스트링 선택 트랜지스터에 직렬로 연결된 단위 셀들, 상기 단위 셀에 직렬로 연결된 그라운드 선택 트랜지스터 및 상기 그라운드 선택 트랜지스터와 연결된 그라운드 라인을 단위 스트링에 포함하는 낸드형 플래쉬 이이피롬의 리드 동작시, 상기 스트링 선택 트랜지스터의 게이트에 인가되는 전압이 단위 셀의 게이트에 인가되는 전압보다 낮게 공급되는 것을 특징으로 하는 낸드형 플래쉬 메모리의 리드전압 인가 방법.
- 제1항에 있어서, 상기 스트링 선택 트랜지스터의 게이트에 인가되는 전압은 전원 전압(Vcc) 보다 낮게 공급되고, 단위 셀의 게이트에 인가되는 전압은 전원 전압인 것을 특징으로 하는 낸드형 플래쉬 메모리의 리드전압 인가 방법.
- 제1항에 있어서, 상기 스트링 선택 트랜지스터의 게이트에 인가되는 전압은 전원 전압이고, 단위 셀의 게이트에 인가되는 전압은 전원 전압 보다 높게 공급되는 것을 특징으로 하는 낸드형 플래쉬 메모리의 리드전압 인가 방법.
- 제1항에 있어서, 상기 스트링 선택 트랜지스터 게이트에 인가되는 전압은, 상기 스트링 선택 트랜지스터의 게이트에 연결되는 하나 이상의 트랜지스터들의 문턱전압에 의해, 상기 단위 셀의 게이트에 인가되는 전압 보다 낮게 공급되는 것을 특징으로 하는 낸드형 플래쉬 메모리의 리드전압 인가 방법.
- 제1항에 있어서, 상기 스트링 선택 트랜지스터의 게이트의 저항을 상기 단위 셀의 게이트의 저항 보다 높게되도록 조절함으로써, 상기 스트링 선택 트랜지스터의 게이트에 인가되는 전압이 상기 단위 셀의 게이트에 인가되는 전압 보다 낮게 공급하는 것을 특징으로 하는 낸드형 플래쉬 메모리의 리드전압 인가 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950014326A KR0161410B1 (ko) | 1995-05-31 | 1995-05-31 | 낸드형 플래쉬 메모리의 리드전압 인가 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950014326A KR0161410B1 (ko) | 1995-05-31 | 1995-05-31 | 낸드형 플래쉬 메모리의 리드전압 인가 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960042758A KR960042758A (ko) | 1996-12-21 |
KR0161410B1 true KR0161410B1 (ko) | 1999-02-01 |
Family
ID=19416214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950014326A Expired - Fee Related KR0161410B1 (ko) | 1995-05-31 | 1995-05-31 | 낸드형 플래쉬 메모리의 리드전압 인가 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0161410B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7457160B2 (en) | 2006-10-30 | 2008-11-25 | Samsung Electronics Co., Ltd. | Methods of applying read voltages in NAND flash memory arrays |
US7460403B2 (en) | 2006-10-20 | 2008-12-02 | Samsung Electronics Co., Ltd. | Flash memory devices and methods of operating the same |
US7619929B2 (en) | 2005-06-27 | 2009-11-17 | Samsung Electronics Co., Ltd | Bias circuits and method for enhanced reliability of flash memory device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3829088B2 (ja) * | 2001-03-29 | 2006-10-04 | 株式会社東芝 | 半導体記憶装置 |
-
1995
- 1995-05-31 KR KR1019950014326A patent/KR0161410B1/ko not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7619929B2 (en) | 2005-06-27 | 2009-11-17 | Samsung Electronics Co., Ltd | Bias circuits and method for enhanced reliability of flash memory device |
US7460403B2 (en) | 2006-10-20 | 2008-12-02 | Samsung Electronics Co., Ltd. | Flash memory devices and methods of operating the same |
US7457160B2 (en) | 2006-10-30 | 2008-11-25 | Samsung Electronics Co., Ltd. | Methods of applying read voltages in NAND flash memory arrays |
Also Published As
Publication number | Publication date |
---|---|
KR960042758A (ko) | 1996-12-21 |
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