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    • 1. 发明授权
    • Method and system for improving reliability of memory device
    • 提高存储器件可靠性的方法和系统
    • US07484138B2
    • 2009-01-27
    • US11450535
    • 2006-06-09
    • Chen-Hui HsiehKun Lung ChenShine Chien ChungGrigori Grigoriev
    • Chen-Hui HsiehKun Lung ChenShine Chien ChungGrigori Grigoriev
    • G11C29/00G01R31/28
    • G11C29/24G11C29/26G11C29/4401G11C29/802
    • A system for improving reliability of a memory device includes one or more memory banks, each of which has one or more regular memory cell rows and one or more redundant memory cell rows. At least one built-in-self-test (BIST) unit is coupled to the memory banks for testing the redundant memory cell rows to determine their respective quality standards, and testing the regular memory cell rows to identify the regular memory cell row that fails to pass a predetermined quality standard. At least one built-in-self-repair (BISR) unit is coupled to the BIST unit for replacing the failed regular memory cell row with the redundant memory cell row having a quality standard equal to or higher than the predetermined quality standard. The BIST unit repeatedly tests the regular memory cell rows a number of times, with each time applying a different quality standard.
    • 一种用于提高存储器件的可靠性的系统包括一个或多个存储体,每个存储体具有一个或多个常规存储单元行和一个或多个冗余存储单元行。 至少一个内置自检(BIST)单元耦合到存储体,用于测试冗余存储单元行以确定其相应的质量标准,并测试常规存储单元行以识别出错的常规存储单元行 通过一个预定的质量标准。 至少一个内置自修复(BISR)单元耦合到BIST单元,以用具有等于或高于预定质量标准的质量标准的冗余存储单元行替换故障的常规存储单元行。 BIST单元反复测试常规存储单元行多次,每次应用不同的质量标准。
    • 2. 发明申请
    • Method and system for improving reliability of memory device
    • 提高存储器件可靠性的方法和系统
    • US20070291560A1
    • 2007-12-20
    • US11450535
    • 2006-06-09
    • Chen-Hui HsiehKun Lung ChenShine Chien ChungGrigori Grigoriev
    • Chen-Hui HsiehKun Lung ChenShine Chien ChungGrigori Grigoriev
    • G06F11/00G11C29/00G11C7/00
    • G11C29/24G11C29/26G11C29/4401G11C29/802
    • A system for improving reliability of a memory device includes one or more memory banks, each of which has one or more regular memory cell rows and one or more redundant memory cell rows. At least one built-in-self-test (BIST) unit is coupled to the memory banks for testing the redundant memory cell rows to determine their respective quality standards, and testing the regular memory cell rows to identify the regular memory cell row that fails to pass a predetermined quality standard. At least one built-in-self-repair (BISR) unit is coupled to the BIST unit for replacing the failed regular memory cell row with the redundant memory cell row having a quality standard equal to or higher than the predetermined quality standard. The BIST unit repeatedly tests the regular memory cell rows a number of times, with each time applying a different quality standard.
    • 一种用于提高存储器件的可靠性的系统包括一个或多个存储体,每个存储体具有一个或多个常规存储单元行和一个或多个冗余存储单元行。 至少一个内置自检(BIST)单元耦合到存储体,用于测试冗余存储单元行以确定其相应的质量标准,并测试常规存储单元行以识别出错的常规存储单元行 通过一个预定的质量标准。 至少一个内置自修复(BISR)单元耦合到BIST单元,以用具有等于或高于预定质量标准的质量标准的冗余存储单元行替换故障的常规存储单元行。 BIST单元反复测试常规存储单元行多次,每次应用不同的质量标准。
    • 9. 发明授权
    • Method and system for in-situ parametric SRAM diagnosis
    • 原位参数化SRAM诊断方法与系统
    • US07495979B2
    • 2009-02-24
    • US11089975
    • 2005-03-25
    • Shine Chien Chung
    • Shine Chien Chung
    • G11C7/00
    • G11C29/48G11C29/1201G11C2029/1204G11C2029/5004
    • This invention is about a system for diagnosing memory cells in a memory module. A first multiplexer module selectively connects a diagnosis signal in response to a multiplexer control signal to a data line associated with a predetermined memory cell. A second multiplexer module connects the data line to the predetermined memory cell via the bit line in response to a bit selection signals. Similarly, a complement diagnosis signal may be connected to a predetermined memory cell via the complement data line and bit line through the same control and bit select signals. A pair of access pads are provided for passing the diagnosis signal and the complement diagnosis signal for external accessing.
    • 本发明涉及用于诊断存储器模块中的存储器单元的系统。 第一复用器模块响应于多路复用器控制信号选择性地将诊断信号连接到与预定存储器单元相关联的数据线。 第二多路复用器模块响应于位选择信号经由位线将数据线连接到预定的存储器单元。 类似地,补码诊断信号可以经由补码数据线和位线通过相同的控制和比特选择信号连接到预定的存储器单元。 提供一对通路用于传递用于外部访问的诊断信号和补码诊断信号。