Defect-remediable semiconductor integrated circuit memory and spare
substitution method in the same
    3.
    发明授权
    Defect-remediable semiconductor integrated circuit memory and spare substitution method in the same 失效
    缺陷补救半导体集成电路存储器和备用替代方法相同

    公开(公告)号:US4514830A

    公开(公告)日:1985-04-30

    申请号:US344974

    申请日:1982-02-02

    CPC分类号: G11C29/789

    摘要: An LSI memory comprises a memory array including usual memory cells arranged in a matrix form, usual address transistors for selecting usual lines connected to the columns or rows of the memory array, address lines for controlling the usual address transistors, spare memory cells provided in the memory array, a spare line connected to the spare memory cells, spare address transistors connected between the address lines and the spare lines, and nonvolatile memory elements connected between the sources of the spare address transistors and the ground. By putting any one of the nonvolatile memory elements into the written state, any one of the spare address transistors are conditioned into an active state so that the spare line can be substituted for a defective usual line.

    摘要翻译: LSI存储器包括存储器阵列,其包括以矩阵形式布置的常规存储器单元,用于选择连接到存储器阵列的列或行的常用线的常用地址晶体管,用于控制通常地址晶体管的地址线,设置在存储器阵列中的备用存储器单元 存储器阵列,连接到备用存储器单元的备用线路,连接在地址线和备用线路之间的备用地址晶体管,以及连接在备用地址晶体管的源极和地之间的非易失性存储器元件。 通过将非易失性存储器元件中的任何一个置于写入状态,任何一个备用地址晶体管被调节成活动状态,使得备用线可以代替缺陷通常的线。

    Electrically erasable programmable RAM
    4.
    发明授权
    Electrically erasable programmable RAM 失效
    电可擦除可编程RAM

    公开(公告)号:US4656607A

    公开(公告)日:1987-04-07

    申请号:US632317

    申请日:1984-07-19

    摘要: In a semiconductor memory made up of semiconductor memory elements, each consisting of a transistor of an MOS structure which has a charge-storage layer and which is formed on a semiconductor substrate, the improvement wherein a switching element is provided so that positive or negative charge can be stored or discharged from the charge-storage layer in a mode for writing data, and the charge-storage layer can be allowed to float electrically when in a mode for reading data.

    摘要翻译: 在由半导体存储元件构成的半导体存储器中,每个由具有电荷存储层的MOS结构的晶体管构成,并形成在半导体衬底上,其特征在于,提供一种开关元件,使得正或负电荷 可以以用于写入数据的模式从电荷存储层存储或放电,并且当处于读取数据的模式时,可以允许电荷存储层电浮动。