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    • 1. 发明授权
    • ECC based system and method for repairing failed memory elements
    • 基于ECC的系统和修复失败的内存元素的方法
    • US07085971B2
    • 2006-08-01
    • US10035474
    • 2001-10-25
    • John E. Barth, Jr.Wayne F. EllisJohn A. Fifield
    • John E. Barth, Jr.Wayne F. EllisJohn A. Fifield
    • G11C29/00
    • G11C29/72G11C29/42G11C29/789G11C2029/4402
    • An ECC based system and method within an integrated circuit memory for self-repair of a failed memory element is disclosed. The method includes processing, within the integrated circuit, data and check bits retrieved from addressed memory locations therein. The locations of memory failures are automatically recorded within the integrated circuit. Logic circuits within the integrated circuit automatically identify failure patterns based on the locations. Based on the identified failure patterns, logic circuits within the integrated circuit then permanently replace a failed memory element with an appropriate redundancy element, using devices such as electronic fuse or antifuse. In this manner, the integrated circuit automatically identifies and effects self repair of a failed memory element therein.
    • 公开了一种用于故障存储器元件的自修复的集成电路存储器内的基于ECC的系统和方法。 该方法包括在集成电路内处理从其中的寻址的存储器位置检索的数据和校验位的处理。 内存故障的位置会自动记录在集成电路中。 集成电路内的逻辑电路根据位置自动识别故障模式。 基于所识别的故障模式,集成电路内的逻辑电路然后使用诸如电子熔断器或反熔丝的装置用适当的冗余元件永久地替换故障存储器元件。 以这种方式,集成电路自动识别并实现其中的故障存储元件的自身修复。
    • 7. 发明授权
    • Dynamic random access memory circuit, design structure and method
    • 动态随机存取电路,设计结构与方法
    • US07668003B2
    • 2010-02-23
    • US12108548
    • 2008-04-24
    • John E. Barth, Jr.Kangguo ChengHoki KimGeng Wang
    • John E. Barth, Jr.Kangguo ChengHoki KimGeng Wang
    • G11C11/24
    • H01L27/10829G11C7/02G11C11/4099H01L27/10861H01L27/10885H01L27/10891H01L27/10897
    • Disclosed is a DRAM circuit that incorporates an improved reference cell, has half the capacitance of the memory cell, does not require a particular reference voltage, and can be formed using the same fabrication processes as the memory cell. This DRAM circuit comprises a memory cell with a single trench capacitor and a reference cell having two trench capacitors. The two reference cell trench capacitors are connected in series through a merged buried capacitor plate such that they provide half the capacitance of the memory cell trench capacitor. Additionally, the reference cell trench capacitors have essentially the same structure as the memory cell trench capacitor so that they can be formed in conjunction with the memory cell trench capacitor. Also disclosed are a design structure for the above-described memory circuit and a method for forming the above-described memory circuit.
    • 公开了一种DRAM电路,其包含改进的参考单元,具有存储单元的一半电容,不需要特定参考电压,并且可以使用与存储单元相同的制造工艺来形成。 该DRAM电路包括具有单沟槽电容器的存储单元和具有两个沟槽电容器的参考单元。 两个参考单元沟槽电容器通过合并的埋入式电容器板串联连接,使得它们提供存储单元沟槽电容器的一半的电容。 此外,参考单元沟槽电容器具有与存储单元沟槽电容器基本相同的结构,使得它们可以与存储单元沟槽电容器结合形成。 还公开了用于上述存储电路的设计结构和用于形成上述存储电路的方法。
    • 10. 发明授权
    • Method for reduced electrical fusing time
    • 降低电熔时间的方法
    • US07089136B2
    • 2006-08-08
    • US10604414
    • 2003-07-18
    • Darren L. AnandJohn E. Barth, Jr.Steven F. OaklandMichael R. Ouellette
    • Darren L. AnandJohn E. Barth, Jr.Steven F. OaklandMichael R. Ouellette
    • G01R31/00
    • G11C17/16G11C17/18
    • An electrical fuse circuit design for reducing the testing time for a semiconductor device manufactured with redundant eFuse circuitry. A two-to-one multiplexer (MUX) is provided at each eFuse circuit in addition to the fuse latch and pattern latch. Information on which fuse is to be blown is stored in the fuse's pattern latch. The output of the pattern latch is ANDed with a program input to provide a select signal for the MUX. Based on the select signal, the MUX allows the shifted “1” to either go to the next latch in the shift chain or bypass the next latch or latches in the shift chain when the next fuse(s) is not to be blown. Accordingly, the invention enables only those fuse latches associated with fuses that are to be blown to hold up the propagation of the shifted “1” to the next eFuse circuits.
    • 一种电熔丝回路设计,用于减少用冗余eFuse电路制造的半导体器件的测试时间。 除了熔丝锁存器和图案锁存器之外,每个eFuse电路还提供一对二路复用器(MUX)。 保险丝图案锁存器中存储有要熔断保险丝的信息。 模式锁存器的输出与程序输入进行“与”运算以提供MUX的选择信号。 基于选择信号,MUX允许移位的“1”进入移位链中的下一个锁存器,或者在下一个保险丝不被熔断时,旁路下一个锁存器或锁存在换档链中。 因此,本发明仅能够使与熔断器相关联的熔丝锁存器保持被转换的“1”传播到下一个eFuse电路。