Semiconductor device verifying signal supplied from outside
US11922994B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2022 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Jul 25, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C8/12
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a semiconductor device that includes an access control circuit generating an internal command based on a verification result signal and an external command. The external command indicates at least one of a first command that enables the access control circuit to access a first circuit and a second command that enables the access control circuit not to access the first circuit or enables the access control circuit to maintain a current state of the first circuit. The access control circuit, when the verification result signal indicates a first logic level, generates the internal command based on the external command. The access control circuit, when the verification result signal indicates a second logic level, generates the internal command that corresponds to a second command even if the external command indicates a first command.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.