Myers Bigel Sibley & Sajovec, PA
Semiconductor device capable of rescuing defective characteristics occurring after packaging
A memory device capable of rescuing defective characteristics that occur after packaging includes a memory cell array including a plurality of memory cells and an antifuse circuit unit including at least one antifuse. The antifuse circuit unit stores a defective cell address of the memory cell array in the at least one antifuse and reads the defective cell address to an external source. The antifuse circuit unit stores a defective characteristic code in the at least one antifuse, wherein the defective characteristic code is related to at least one of a timing parameter spec., a refresh spec., an input/output (I/O) trigger voltage spec., and a data training spec. of the memory device, and outputs the defective characteristic code to an external source.
Samsung Electronics Co., Ltd.
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Seok-hun Seong-jin Jeong-kyoum Jung-hwan
Hyun Jang Kim Choi