Patent · US Expired

Semiconductor memory

US4788665A · kind A · utility

65Cited by
2References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 1987
Grant dateNov 29, 1988
Priority date
Expiry dateJul 21, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C2216/14
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An electrically programmable read only memory is equipped with latch circuits for sequentially introducing series signals which are fed through external terminals. The converter includes sequentially operated switch elements and latch circuits in order to convert the series signals into parallel signals. The thus converted parallel signals are written simultaneously in a memory array via address decoder operated selection switch elements. According to this method, the writing operations into the memory array can be conducted at a high speed even when one writing operation is relatively long as a result of the parallel signal action.

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