Invention Grant
- Patent Title: BIST for performing parallel and serial test on memories
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Application No.: US17463937Application Date: 2021-09-01
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Publication No.: US11721407B2Publication Date: 2023-08-08
- Inventor: Takashi Yamagiwa
- Applicant: Kioxia Corporation
- Applicant Address: JP Tokyo
- Assignee: Kioxia Corporation
- Current Assignee: Kioxia Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP 21015745 2021.02.03 JP 21110627 2021.07.02
- Main IPC: G11C29/14
- IPC: G11C29/14 ; G11C29/12 ; G11C5/14 ; G11C11/4078 ; G11C11/4097

Abstract:
According to a certain embodiment, the semiconductor integrated circuit includes a plurality of memories and a first control circuit configured to control the plurality of memories. The first control circuit includes a first state transition circuit configured to execute at least one of write control and read control during an operation of the plurality of memories; and a second state transition circuit connected to the first state transition circuit, the second state transition circuit capable of causing the first state transition circuit to sequentially execute tests of the plurality of memories.
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