Semiconductor storage device, control device, and electronic apparatus
US6751716B2 · kind B2 · utility
29Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2001 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Aug 16, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/1466
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A semiconductor storage device including: a memory having a memory space, a plurality of addresses of the memory space each having data stored therein; and a security circuit for controlling a security function which activates or deactivates at least a part of the memory space according to whether, in the case where an address input to the security-circuit matches at least one key-address included in the security circuit, data stored in the address in the memory space is manipulated under a condition equal to a predetermined condition or under a condition not equal to the predetermined condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.