Patent · US Expired

One step write circuit arrangement for EEPROMS

US4578777A · kind A · utility

37Cited by
5References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 1983
Grant dateMar 25, 1986
Priority date
Expiry dateJul 11, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/10
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A novel write circuit arrangement for an EEPROM type memory system operable in response to the difference between the information stored in each addressed cell and the information to the be stored therein during a writing cycle and writing information into only those addressed cells for which a difference exists regardless of whether the difference indicates to charge or discharge the cell. The arrangement also can simultaneously charge one cell of a byte while discharging another cell of the same byte.

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