Patent · US Expired

Voltage supply circuit, in particular for a DRAM memory circuit, as well as a method for controlling a supply source

US7379373B2 · kind B2 · utility

4Cited by

26References

19Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Harald Lorenz · Bad Neuenahr-Ahrweiler, DE
Manfred Menke · Ritterhude, DE
Helmut Seitz · Stuttgart, DE

Key dates

Filing date	Dec 5, 2005
Grant date	May 27, 2008
Priority date	—
Expiry date	Dec 5, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG11C5/14
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A voltage supply circuit for providing an internal supply voltage in an integrated circuit is provided. The voltage supply circuit comprises a supply source for setting the internal supply voltage on a supply voltage line and a control circuit which is connected to the supply source for switching on and off the supply source. The control circuit can itself be switched off and regularly switched on again, wherein the control circuit includes a control unit in order to switch the supply source on and off in such a way that the internal supply voltage on the supply voltage line differs essentially by no more than a limit value as a result of capacitive charge storage.

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