Patent · US Expired

Semiconductor memory device performing multi-bit Serial operation

US4835743A · kind A · utility

2Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1987
Grant dateMay 30, 1989
Priority date
Expiry dateSep 3, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C7/1033
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a semiconductor memory device capable of nibble mode operation, the time period required from the time when CAS signal falls to the time when a data output buffer activating signal rises is made different at the time of a normal mode and at the time of a nibble mode, so that the time period required for reading out data in the nibble mode is reduced as compared with a conventional device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.