Patent · US Expired

Isolation between power supplies of an analog-digital circuit

US6157073A · kind A · utility

116Cited by
6References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 28, 1998
Grant dateDec 5, 2000
Priority date
Expiry dateSep 28, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D89/601
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to a composite integrated circuit including at least one well that separates analog and digital blocks of the circuit, this well being connected to a first terminal of a power supply of biasing of one of the two blocks, and being of type opposite to that of the circuit substrate, and a resistor being interposed on the well biasing link.

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