Semiconductor memory device
US5901101A · kind A · utility
46Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1997 |
| Grant date | May 4, 1999 |
| Priority date | — |
| Expiry date | Aug 28, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/406
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a semiconductor memory device operable in synchronism with a clock signal externally supplied thereto, there are provided a first part which detects a state of a predetermined signal after a given command is input to the semiconductor memory; and a second part which sets, on the basis of the state of the predetermined signal, the semiconductor memory device to a self-refresh mode in which a refresh operation is carried out without an external signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.