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    • 7. 发明申请
    • POST PACKAGE REPAIR OF MEMORY DEVICES
    • 邮件包修复记忆设备
    • US20150135038A1
    • 2015-05-14
    • US14077630
    • 2013-11-12
    • MICRON TECHNOLOGY, INC.
    • Alan J. WilsonJeffrey Wright
    • G11C29/00
    • G11C29/76G11C8/06G11C29/789G11C29/802G11C2029/4402
    • Apparatuses and methods for post package repair are disclosed. An apparatus can include memory cells in a package. A storage element can store information responsive to a post-package repair mode being activated. The information can identify an address mapped to a portion of the memory cells to be repaired. The storage element can store the information responsive to data received from nodes of the package. A walking token circuit can interrogate the information stored in the storage element in a serial fashion responsive to the post-package repair mode being activated. A mapping circuit can remap, responsive to the interrogation, the address to be repaired to another portion of the memory cells.
    • 公开了用于后包装修复的装置和方法。 装置可以包括封装中的存储器单元。 存储元件可以存储响应于被激活的封装后修复模式的信息。 信息可以标识映射到要修复的存储器单元的一部分的地址。 存储元件可以响应于从包的节点接收的数据来存储信息。 行走令牌电路可以响应于被激活的封装后修复模式,以串行方式询问存储在存储元件中的信息。 映射电路可以根据询问将要修复的地址重新映射到存储器单元的另一部分。
    • 10. 发明申请
    • SEMICONDUCTOR STORAGE DEVICE AND TESTING METHOD
    • 半导体存储器件和测试方法
    • US20140247679A1
    • 2014-09-04
    • US14277856
    • 2014-05-15
    • FUJITSU LIMITED
    • Seiji Murata
    • G11C29/12G11C29/00
    • G11C29/12G11C7/10G11C11/41G11C29/04G11C29/24G11C29/70G11C29/802
    • A plurality of writing circuits respectively writes data to a plurality of memory cell arrays and a redundant cell array. A holding circuit, which is arranged for each memory cell array, holds data input as a storage target. A first selection circuit, which is arranged for each of the writing circuits of the memory cell arrays, selects data to be output to the writing circuits from among pieces of data input from the holding circuit of the memory cell array and holding circuits of other memory cell arrays. A switching circuit makes two or more first selection circuits select same data and to input the same data to three or more writing circuits so that the same data is written to two or more memory cell arrays and the redundant cell array when a prescribed signal becomes active.
    • 多个写入电路分别将数据写入多个存储单元阵列和冗余单元阵列。 为每个存储单元阵列布置的保持电路保持输入的数据作为存储目标。 为存储单元阵列的每个写入电路设置的第一选择电路从从存储单元阵列的保持电路输入的数据和其它存储器的保持电路中选择要输出到写入电路的数据 单元阵列。 开关电路使两个或多个第一选择电路选择相同的数据并将相同的数据输入到三个或更多个写入电路,使得当规定的信号变为有效时,将相同的数据写入两个或更多个存储单元阵列和冗余单元阵列 。