发明名称 POST PACKAGE REPAIR DEVICE
摘要 A post package repair (PPR) device is disclosed, which relates to a technology for masking a rupture operation in case of a post package repair (PPR) operation. The post package repair (PPR) device includes: a plurality of bank groups, each including a fuse indicating repair information, configured to share a predetermined number of fuses; a resource detection unit configured to generate a resource signal which determines whether the fuses from among the plurality of bank groups are available; and a masking controller configured to output a masking signal which prevents repeated execution of a rupture operation when there is no unused fuse in response to the resource signal and a bank active signal.
申请公布号 US2016217873(A1) 申请公布日期 2016.07.28
申请号 US201514698617 申请日期 2015.04.28
申请人 SK hynix Inc. 发明人 NOH Young Kyu
分类号 G11C29/00;G11C11/4074 主分类号 G11C29/00
代理机构 代理人
主权项 1. A post package repair (PPR) device comprising: a plurality of bank groups, each including a fuse indicating repair information, configured to share a predetermined number of fuses; a resource detection unit configured to generate a resource signal which determines whether the fuses from among the plurality of bank groups are available; and a masking controller configured to output a masking signal which prevents repeated execution of a rupture operation when there is no unused fuse in response to the resource signal and a bank active signal.
地址 Icheon-si Gyeonggi-do KR