KR20050084090A - 정확한 메모리 읽기 연산을 위한 회로 - Google Patents
정확한 메모리 읽기 연산을 위한 회로 Download PDFInfo
- Publication number
- KR20050084090A KR20050084090A KR1020057009918A KR20057009918A KR20050084090A KR 20050084090 A KR20050084090 A KR 20050084090A KR 1020057009918 A KR1020057009918 A KR 1020057009918A KR 20057009918 A KR20057009918 A KR 20057009918A KR 20050084090 A KR20050084090 A KR 20050084090A
- Authority
- KR
- South Korea
- Prior art keywords
- cell
- bit
- memory cell
- bit line
- neighboring cell
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Classifications
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- 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
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- 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
- G11C16/0491—Virtual ground arrays
-
- 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
- G11C16/24—Bit-line control circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
- G11C5/063—Voltage and signal distribution in integrated semi-conductor memory access lines, e.g. word-line, bit-line, cross-over resistance, propagation delay
Abstract
Description
Claims (10)
- 읽기 연산 동안 타겟 셀(305)에서 전류를 감지하기 위한 메모리 회로 배열로서,접지(365)에 연결된 제1 비트 라인(316)을 가지는 상기 타겟 셀(305)과, 상기 타겟 셀(305)은 감지 회로(360)에 연결된 제2 비트 라인(321)을 가지며;상기 타겟 셀(305)에 인접한 제1 이웃 셀(355)을 포함하며, 상기 제1 이웃 셀(355)은 상기 타겟 셀(305)과 상기 제2 비트 라인(321)을 공유하며, 상기 제1 이웃 셀(355)은 상기 읽기 연산 동안 상기 감지 회로(360)에 연결되는 제3 비트 라인(341)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 제 1항에 있어서, 상기 제1 이웃 셀(355)에 인접한 제2 이웃 셀(370)을 더 포함하며, 상기 제2 이웃 셀(370)은 상기 제1 이웃 셀(355)과 상기 제3 비트 라인(341)을 공유하며, 상기 제2 이웃 셀(370)은 상기 읽기 연산 동안 프리차지 회로(380)에 연결되는 제4 비트 라인(351)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 제 2항에 있어서, 상기 제2 이웃 셀(370)에 인접한 제3 이웃 셀(372)을 더 포함하며, 상기 제3 이웃 셀(372)은 상기 제2 이웃 셀(370)과 상기 제4 비트 라인(351)을 공유하며, 상기 제3 이웃 셀(372)은 상기 읽기 연산 동안 상기 프리차지 회로(38)에 연결된 제5 비트 라인(375)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 적어도 하나의 비트를 저장하기 위한 타겟 셀 수단(305)과, 상기 타겟 셀 수단(305)은 접지(365)에 연결된 제1 비트 라인(316)을 가지고, 상기 타겟 셀 수단(305)은 감지 회로(360)에 연결된 제2 비트 라인(321)을 가지며;적어도 하나의 비트를 저장하기 위한 제1 이웃 셀 수단(355)과, 상기 제1 이웃 셀 수단(355)은 상기 타겟 셀 수단(305)과 상기 제2 비트 라인(321)을 공유하며, 상기 제1 이웃 셀 수단(355)은 상기 읽기 연산 동안 상기 감지 회로(360)에 연결된 제3 비트 라인(341)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 제 4항에 있어서, 적어도 하나의 비트를 저장하기 위한 제2 이웃 셀 수단(370)을 포함하고, 상기 제2 이웃 셀 수단(370)은 상기 제1 이웃 셀 수단(355)에 인접하며, 상기 제2 이웃 셀 수단(370)은 상기 제1 이웃 셀 수단(355)과 상기 제3 비트 라인(341)을 공유하며, 상기 제2 이웃 셀 수단(370)은 상기 읽기 연산 동안 프리차지 회로(380)에 연결된 제4 비트 라인(351)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 읽기 연산 동안 타겟 셀(305)에서 전류를 감지하기 위한 메모리 회로 배열로서, 상기 메모리 회로 배열은 접지(365)에 연결된 제1 비트 라인(3160)을 가지는 상기 타겟 셀(305)을 포함하며, 상기 타겟 셀(305)은 감지 회로(360)에 연결된 제2 비트 라인(321)을 가지며, 여기서,제1 이웃 셀(355)은 상기 타겟 셀(305)에 인접하고, 상기 제1 이웃 셀(335)은 상기 타겟 셀(305)과 상기 제2 비트 라인(321)을 공유하며, 상기 제1 이웃 셀(355)은 상기 읽기 연산 동안 상기 감지 회로(360)에 연결된 제3 비트 라인(341)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 제 6항에 있어서, 상기 제1 이웃 셀(355)에 인접한 제2 이웃 셀(370)을 더 포함하며, 여기서 상기 제2 이웃 셀(370)은 상기 제1 이웃 셀(355)과 제3 비트 라인(341)을 공유하고, 상기 제2 이웃 셀(370)은 상기 읽기 연산 동안 프리차지 회로(380)에 연결되는 제4 비트 라인(351)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 제 7항에 있어서, 상기 제2 이웃 셀(370)에 인접한 제3 이웃 셀(372)을 더 포함하며, 여기서 상기 제3 이웃 셀(372)은 상기 제2 이웃 셀(370)과 상기 제4 비트 라인(351)을 공유하고, 상기 제3 이웃 셀(372)은 상기 읽기 연산 동안 상기 프리차지 회로(380)에 연결된 제4 비트 라인(375)을 가지는 것을 특징으로 하는 메모리 회로 배열.
- 제 6항에 있어서, 상기 타겟 셀(305) 및 상기 제1 이웃 셀(355) 각각은 공통 워드 라인(325)에 연결된 개별적인 게이트 단자를 포함하는 것을 특징으로 하는 메모리 회로 배열.
- 제 7항에 있어서, 상기 타겟 셀(305), 상기 제1 이웃 셀(355) 및 상기 제2 이웃 셀(370) 각각은 공통 워드 라인(325)에 연결된 각각의 게이트 단자를 포함하는 것을 특징으로 하는 메모리 회로 배열.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/313,444 | 2002-12-05 | ||
US10/313,444 US6731542B1 (en) | 2002-12-05 | 2002-12-05 | Circuit for accurate memory read operations |
Publications (2)
Publication Number | Publication Date |
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KR20050084090A true KR20050084090A (ko) | 2005-08-26 |
KR100950569B1 KR100950569B1 (ko) | 2010-04-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020057009918A KR100950569B1 (ko) | 2002-12-05 | 2003-07-24 | 정확한 메모리 읽기 동작을 위한 회로 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6731542B1 (ko) |
EP (1) | EP1573746B1 (ko) |
JP (1) | JP2006509324A (ko) |
KR (1) | KR100950569B1 (ko) |
CN (1) | CN1714409A (ko) |
AU (1) | AU2003256718A1 (ko) |
DE (1) | DE60325509D1 (ko) |
TW (1) | TWI328815B (ko) |
WO (1) | WO2004053885A1 (ko) |
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2002
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KR100950569B1 (ko) | 2010-04-01 |
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AU2003256718A1 (en) | 2004-06-30 |
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