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    • 5. 发明公开
    • 불휘발성 메모리 장치 및 이의 동작 방법
    • 非挥发性记忆体装置及其操作方法
    • KR1020140005050A
    • 2014-01-14
    • KR1020120072936
    • 2012-07-04
    • 에스케이하이닉스 주식회사
    • 강희복
    • G11C16/34G11C16/10
    • G11C16/10G11C16/3459G11C2216/14
    • The present invention relates to a non-volatile memory device and an operating method for the same. The operating method comprises: a program data storing step for storing program data in a page buffer; a first program operating step for programming memory cells using the program data stored in the page buffer; a first program verifying step for sensing the program statuses of the memory cells to verify the program statuses of the memory cells; a data restoring step for restoring the same data as the program data in the page buffer if the first program verification result is determined as pass; and performing a first program operation and a second program verification operation using the same data. [Reference numerals] (AA) Start; (BB,DD) Fail; (CC,EE) Pass; (FF) End; (S210) Input program data; (S220) First program; (S230) Verify the first program; (S240,S290) Verification result; (S250,S300) Increase program voltage; (S260) Reinput program data; (S270) Second program; (S280) Verify the second program
    • 本发明涉及一种非易失性存储器件及其操作方法。 操作方法包括:程序数据存储步骤,用于将程序数据存储在页面缓冲器中; 第一程序操作步骤,用于使用存储在页面缓冲器中的程序数据来对存储器单元进行编程; 用于感测存储器单元的程序状态以验证存储器单元的程序状态的第一程序验证步骤; 数据恢复步骤,如果第一程序验证结果被确定为通过,则恢复与页面缓冲器中的程序数据相同的数据; 以及使用相同的数据执行第一程序操作和第二程序验证操作。 (附图标记)(AA)开始; (BB,DD)失败; (CC,EE)通行证; (FF)结束; (S210)输入程序数据; (S220)第一程序; (S230)验证第一个程序; (S240,S290)验证结果; (S250,S300)增加程序电压; (S260)重新输入节目数据; (S270)第二节目; (S280)验证第二个程序
    • 7. 发明公开
    • 페이지 버퍼 회로
    • 页面缓冲电路
    • KR1020120070445A
    • 2012-06-29
    • KR1020100132003
    • 2010-12-21
    • 에스케이하이닉스 주식회사
    • 김병영
    • G11C16/06G11C16/30
    • G11C11/5628G11C11/5642G11C16/0483G11C2216/14
    • PURPOSE: A page buffer circuit is provided to make a dynamic latch maintain a sub latch value for a long time by reducing a leakage current of a transistor. CONSTITUTION: A main latch unit(10) differently sets a main latch value according to a sub latch output signal and outputs the main latch value to a first node. A sub latch unit(20) latches a voltage of a second node as a sub latch value in response to a storage enable signal and generates a sub latch output signal according to a sub latch value if an output enable signal is activated. A voltage determining unit(100) electrically connects or disconnects the first node and the second node in response to the storage enable signal and determines a voltage level of the second node in response to the storage enable signal.
    • 目的:提供一个页面缓冲电路,通过减少晶体管的漏电流使动态锁存器长时间保持子锁存值。 构成:主锁存单元(10)根据子锁存器输出信号不同地设置主锁存值,并将主锁存值输出到第一节点。 子锁存单元(20)响应于存储使能信号锁存第二节点的电压作为子锁存值,并且如果输出使能信号被激活,则根据子锁存值产生子锁存器输出信号。 电压确定单元(100)响应于存储使能信号电连接或断开第一节点和第二节点,并且响应于存储使能信号确定第二节点的电压电平。
    • 8. 发明公开
    • 비휘발성 메모리
    • 非易失性存储器
    • KR1020120037161A
    • 2012-04-19
    • KR1020100098754
    • 2010-10-11
    • 에스케이하이닉스 주식회사
    • 양창원
    • G11C16/30G11C16/26G11C16/24G11C16/06
    • G11C16/24G11C16/0483G11C16/26G11C2216/14
    • PURPOSE: A nonvolatile memory is provided to reduce malfunction of the nonvolatile memory by preventing the drop of internal power for supplying a precharge voltage. CONSTITUTION: A cell string(210) includes a plurality of memory cells which are serially connected. A bit line is connected to the cell string. A connection unit electrically connects the bit line to the sensing node in response to a bias. A page buffer(230) precharges the sensing node in response to its own data or does not precharge the sensing node. A precharge slowing unit(240) extends the precharge time of the sensing node by the page buffer.
    • 目的:提供非易失性存储器,通过防止用于提供预充电电压的内部电源的下降来减少非易失性存储器的故障。 构成:单元串(210)包括串联连接的多个存储单元。 位线连接到单元格串。 连接单元响应于偏压将位线电连接到感测节点。 页面缓冲器(230)响应于其自己的数据对感测节点进行预充电,或者不对感测节点进行预充电。 预充电减速单元(240)通过页缓冲器延长感测节点的预充电时间。