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    • 2. 发明授权
    • 어드레스 라인 오류 테스트 방법
    • 如何测试地址行错误
    • KR1019920001104B1
    • 1992-02-01
    • KR1019880001348
    • 1988-02-12
    • 인터내셔널 비지네스 머신즈 코포레이션
    • 케빈죤애쉬잭하베이더렌버거레이몬드로니파슨즈
    • G06F11/00
    • G11C29/42G06F11/076G06F11/1052G11C29/02G11C29/10G11C29/18
    • A memory may contain a large number of bytes of data perhaps as many as 256 megabytes in a typical large memory structure. An error correcting code algorithm may be used to identify failing memory modules in a memory system. In a particular embodiment, a number of spares may be provided on each memory card allowing a predetermined number of defective array modules to be replaced in a storage word. With double bit correction provided by the error correcting code logic, a number of bits can be corrected on a card or a larger number of bits can be corrected on a card pair, where the larger number of bits is somewhat less than double the number of bits which can be corrected on a single card. The address test in accordance with the present invention then produces a pattern that will create a difference greater than that larger number of bits between the data stored in a storage location under test and any address that could be accessed by an address line failure. The method according to the present invention predicts the effect of an address line failure external to the array modules and internal to a card pair and then tests to see if a failure has occurred. The address test does not declare an address failure until a predetermined number of bit failures on a card is found. The test is valid for single and multiple address line failures. Since only one address bit is changed for each path through the test other failing address lines will not be detected until the path with those failing address bits are tested. Thus, even with multiple address line failure the two addresses that are stored to and fetched from are the only one address bit apart.
    • 4. 发明公开
    • 데이터 처리 장치
    • 数据处理设备
    • KR1020150083028A
    • 2015-07-16
    • KR1020150000798
    • 2015-01-05
    • 르네사스 일렉트로닉스 가부시키가이샤
    • 즈보이유끼또시나가노히데오
    • G06F11/10
    • H03M13/2927G06F11/1012G06F11/1044G06F11/1052H03M13/095H03M13/11H03M13/13H03M13/1575H03M13/19H03M13/29H03M13/3715H03M13/6575G06F11/1004
    • 본발명은, 고속동작과기능안전의양립이요구되는 MCU 시스템에있어서, 1비트오류정정·2비트오류검출방식의 ECC에선행하는오류검출을위해서, ECC보다도고속동작이가능한 2비트오류검출회로를제공하는것을과제로한다. 프로세서와메모리를포함하는데이터처리장치로서, 패리티/ECC 인코더회로와패리티/ECC 디코더회로를구비한다. 패리티/ECC 인코더회로는, 메모리에의기입신호경로상에배치되고, 기입되는데이터로부터복수비트의패리티를생성하는패리티생성회로를포함하고, 생성된패리티를데이터와함께메모리에기입한다. 패리티/ECC 디코더회로는, 메모리로부터의판독신호경로상에배치되고, 패리티검사부를포함한다. 패리티생성회로는, 데이터를구성하는복수비트의각각이, 적어도 2비트의패리티의생성에기여하도록구성됨으로써, 패리티검사부는고속으로 2비트오류를검출할수 있다.
    • 本发明的目的在于提供一种2比特错误检测电路,其能够比需要快速操作和功能稳定性的MCU系统中的1位错误修正·2位错误检测方法在ECC之前快速地进行错误检测。 包括处理器和存储器的数据处理装置具有:奇偶校验/ ECC编码器电路,其被布置在输入信号到存储器的路径上,包括用于产生多个奇偶校验的奇偶校验生成电路,并将所产生的奇偶校验与 内存中的数据; 以及奇偶校验/ ECC解码器电路,其布置在来自存储器的读取信号的路径上,并且包括奇偶校验检查单元。 奇偶产生电路被配置为使构成数据的每个位有助于产生至少2位的奇偶校验。 因此,奇偶校验单元可以高速检测2位错误。
    • 5. 发明公开
    • 코드 에러 검출 및 정정을 위한 구성가능한 스플리트 스토리지
    • 错误检测和纠正代码的可配置分区存储
    • KR1020100015775A
    • 2010-02-12
    • KR1020097021992
    • 2008-04-10
    • 마이크로칩 테크놀로지 인코포레이티드
    • 워제워다이고르마네웩코버스
    • G06F11/10
    • G06F11/1052
    • Memory space of a digital device may be configured for both instructions/data (op-code) and ECC or parity when required, otherwise the entire memory space may be configured for just the program instructions/data. A standard word width memory may be configured for ECC or non-ECC functionality, or parity or non-parity functionality, based upon a desired application. The last portion of the memory may be allocated for ECC or parity data rather then application code when an ECC or parity implementation is required. When an ECC or parity implementation is not required, the entire memory may be used for the application code. This allows a digital device and memory to be used in applications having different robustness (e.g., application code integrity) requirements without have to fabricate different digital devices.
    • 数字设备的存储空间可以在需要时配置为指令/数据(操作码)和ECC或奇偶校验,否则整个存储器空间可以仅被配置为程序指令/数据。 基于期望的应用,标准字宽存储器可以被配置用于ECC或非ECC功能,或奇偶校验或非奇偶校验功能。 存储器的最后部分可以被分配用于ECC或奇偶校验数据,而不是需要ECC或奇偶校验实现时的应用代码。 当不需要ECC或奇偶校验实现时,整个存储器可以用于应用代码。 这允许将数字设备和存储器用于具有不同鲁棒性(例如,应用代码完整性)要求的应用中,而不必制造不同的数字设备。
    • 6. 发明公开
    • 반도체 메모리 장치
    • 半导体存储器件
    • KR1020160017922A
    • 2016-02-17
    • KR1020140101563
    • 2014-08-07
    • 에스케이하이닉스 주식회사
    • 구영준윤태식
    • G11C29/42
    • G06F11/1052G11C2029/0411
    • 외부로부터라이트데이터및 데이터마스킹신호를수신받아상기데이터마스킹신호에응답하여상기라이트데이터를노멀데이터또는컴바인데이터로저장하며, 라이트동작시 데이터마스킹여부를의미하는마스킹정보를저장하는코어부;및리드동작시상기마스킹정보에응답하여상기노멀데이터또는상기컴바인데이터의출력경로를제어하기위한 ECC부를포함하는반도체메모리장치가제공되며, 라이트동작시데이터마스킹기능의수행여부를저장하여리드동작시데이터마스킹기능의수행여부에따라리드데이터의출력경로를선택적으로제어함으로써반도체메모리장치의 ECC 동작에소요되는시간을줄일수 있다. 또한, 데이터마스킹기능을수행하는도중에생성된유효하지않은패리티비트를이용하는 ECC 디코딩동작을수행하지않기때문에리드동작시데이터처리에따른오류를방지할수 있다.
    • 提供一种半导体存储器件,其包括:核心单元,用于从外部接收写入数据和数据屏蔽信号,并将写入数据作为正常数据存储或响应于数据屏蔽信号组合数据,并且存储指示是否 数据在写操作期间被屏蔽; 以及ECC单元,用于在读取操作期间响应于掩蔽信息来控制正常数据或组合数据的输出路径。 可以通过存储在写入操作期间是否执行数据屏蔽功能以及根据在数据屏蔽功能期间是否执行数据屏蔽功能来选择性地控制读取数据的输出路径来减少半导体存储器件的ECC操作所需的时间 读操作。 此外,由于不执行使用在执行数据屏蔽功能时产生的无效奇偶校验位的ECC解码操作,因此可以防止在读取操作期间由于数据处理引起的错误。
    • 9. 发明公开
    • 에러 정정 디바이스 및 그 방법
    • 错误校正装置及其方法
    • KR1020080098613A
    • 2008-11-11
    • KR1020087020334
    • 2007-01-18
    • 엔엑스피 유에스에이, 인코포레이티드
    • 모이어,윌리엄씨.
    • G06F11/00G06F11/08G06F11/20G06F12/00
    • G06F11/1052
    • A device and method for error correction are disclosed. The device includes a memory control module (105) to disable error processing for a memory location depending on the state of a status indicator (304). The status indicator can be set so that error processing is disabled when valid error correction and detection information for the memory location is not available, such as after a reset or power-on event. In addition, the memory control module can promote partial write requests to full write requests when error processing is disabled to ensure that valid error detection and correction data is calculated for the memory location. By disabling error processing until valid error detection and correction information is available, the number of unnecessary or invalid error processing operations is reduced, thereby conserving device resources.
    • 公开了一种用于纠错的装置和方法。 该设备包括存储器控制模块(105),用于根据状态指示器(304)的状态来禁止针对存储器位置的错误处理。 可以设置状态指示器,使得当有效的纠错和存储器位置的检测信息不可用时(例如复位或上电事件之后),禁用错误处理。 此外,当禁用错误处理时,存储器控制模块可以促进对完全写入请求的部分写入请求,以确保为存储器位置计算有效的错误检测和校正数据。 通过禁止错误处理,直到有效的错误检测和校正信息可用,减少了不必要或无效的错误处理操作的数量,从而节省了设备资源。