Patent · US Expired

Method and apparatus for a power-on-reset system

US6259286A · kind A · utility

12Cited by
2References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 1999
Grant dateJul 10, 2001
Priority date
Expiry dateOct 15, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K2217/0036
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for a power-on reset system is provided. The power-on reset system comprises a voltage sense circuit for determining whether a voltage level is above a threshold and a write/rewrite verifier circuit for determining whether the voltage level is high enough to write to and rewrite a memory cell content. A power-on reset pulse emitted by the power-on reset system if the voltage level is above the threshold and high enough to write to and rewrite the memory cell. For one embodiment, this is system generates an initial POR pulse upon power-up but can thereafter be selectively disabled and consume zero power.

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