Hybrid open folded sense amplifier architecture for a memory device
    112.
    发明授权
    Hybrid open folded sense amplifier architecture for a memory device 失效
    用于存储器件的混合开放式折叠式放大器架构

    公开(公告)号:US5276641A

    公开(公告)日:1994-01-04

    申请号:US806027

    申请日:1991-12-12

    CPC classification number: G11C11/4097 G11C11/4096

    Abstract: A hybrid open/folded bit line sense amplifier arrangement and accompanying circuitry primarily for use on a ULSI DRAM memory chip to reduce the area needed for a memory cell and eliminate noise between bit lines. The circuitry includes two memory arrays containing a plurality of memory cells interconnected by a plurality of bit lines and word lines. In the preferred embodiment, the memory cells are accessible on every two out of three bit lines encountered by a word line. A set of open bit line sense amplifiers each with two connectors, one multiplexed to a number of bit lines in the first array and the other multiplexed to a number of bit lines in the second array is provided. Each memory array has a set of folded bit line sense amplifiers with two connectors each connector multiplexed to a number of bit lines in the array. The control circuitry with multiplexing ensures that the connectors of the sense amplifiers access only one bit lines at a time. The accessed by the connectors of each folded line sense amplifier are non-adjacent and simultaneously therewith, a connector of an open bit sense amplifier accesses a bit line between the bit lines accessed by the folded sense amplifier. In the preferred embodiment each connector of a sense amplifier is multiplexed to three bit lines. In a second version the connectors are multiplexed to two bit lines.

    Abstract translation: 混合的开/折位线读出放大器装置和主要用于ULSI DRAM存储器芯片的相关电路,以减少存储器单元所需的面积并消除位线之间的噪声。 电路包括两个存储器阵列,其包含由多个位线和字线互连的多个存储器单元。 在优选实施例中,存储器单元可以通过字线遇到的三个位线中的每两个进行访问。 提供了一组开放位线读出放大器,每个具有两个连接器,一个复用到第一阵列中的多个位线,另一个复用到第二阵列中的多个位线。 每个存储器阵列具有一组具有两个连接器的折叠位线读出放大器,每个连接器被多路复用到阵列中的多个位线。 具有复用的控制电路确保了读出放大器的连接器一次仅访问一个位线。 由每个折叠线检测放大器的连接器访问的是不相邻的,并且同时,开放位读出放大器的连接器访问由折叠读出放大器访问的位线之间的位线。 在优选实施例中,读出放大器的每个连接器被复用到三个位线。 在第二个版本中,连接器被复用到两个位线。

    Semiconductor defect monitor for diagnosing processing-induced defects
    113.
    发明授权
    Semiconductor defect monitor for diagnosing processing-induced defects 失效
    用于诊断加工引起的缺陷的半导体缺陷监测器

    公开(公告)号:US4801869A

    公开(公告)日:1989-01-31

    申请号:US42906

    申请日:1987-04-27

    CPC classification number: G01R31/2831 G01R31/024 G01R31/2884 G11C29/24

    Abstract: A semiconductor-processing defect monitor construction for diagnosing processing-induced defects. The semiconductor-processing defect monitor utilizes an array layout and includes continuity defect monitoring structures and short-circuit defect monitoring structures. Once a defect has been indicated by a testing operation, the array layout associated with the defect monitor can be used quickly to determine the approximate location of the known defect, thereby facilitating prompt visual observation of the known defect and, thus, prompt determination of the appropriate corrective action to be applied before substantial continued manufacturing has occurred.

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