Invention Grant
US09007856B2 Repair control circuit and semiconductor memory device including the same
有权
修理控制电路和包括其的半导体存储器件
- Patent Title: Repair control circuit and semiconductor memory device including the same
- Patent Title (中): 修理控制电路和包括其的半导体存储器件
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Application No.: US13804690Application Date: 2013-03-14
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Publication No.: US09007856B2Publication Date: 2015-04-14
- Inventor: Jong-Pil Son , Jae-Sung Kim , Uk-Song Kang , Young-Soo Sohn
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si, Gyeonggi-do
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si, Gyeonggi-do
- Agency: Lee & Morse, P.C.
- Priority: KR10-2013-0023938 20130306
- Main IPC: G11C7/00
- IPC: G11C7/00 ; G11C29/04 ; G11C29/44

Abstract:
A repair control circuit of controlling a repair operation of a semiconductor memory device includes a row matching block and a column matching block. The row matching block stores fail group information indicating one or more fail row groups among a plurality of row groups. The row groups are determined by grouping a plurality of row addresses corresponding to a plurality of wordlines. The row matching block generates a group match signal based on input row address and the fail group information, such that the group match signal indicates the fail row group including the input row address. The column matching block stores fail column addresses of the fail memory cells, and generates a repair control signal based on input column address, the group match signal and the fail column addresses, such that the repair control signal indicates whether the repair operation is executed or not.
Public/Granted literature
- US20140140153A1 REPAIR CONTROL CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE INCLUDING THE SAME Public/Granted day:2014-05-22
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