Patent · US Expired

Circuit configuration for switching over a receiver circuit in particular in DRAM memories and DRAM memory having the circuit configuration

US6456553B1 · kind B1 · utility

6Cited by

3References

8Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Eckhard Brass · Unterhaching, DE
Thoai-Thai Le · Cary, US
Jürgen Lindolf · Friedberg, DE
Joachim Schnabel · Hersbruck, DE

Key dates

Filing date	Jul 3, 2001
Grant date	Sep 24, 2002
Priority date	—
Expiry date	Jul 3, 2021

Classification

Technology area (CPC G)Physics
CPC primaryG11C11/4074
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A circuit configuration for switching over a receiver circuit, in particular in DRAM memories, between a standby mode and an operating mode, includes a differential amplifier functioning as a receiver receiving a control voltage derived from a reference current and generated or fed in for setting a correct operating point of said differential amplifier. A line feeds a current for generating the control voltage. Switching elements are disposed in said line for each receiver. The switching elements are permanently closed in the operating mode by an enable signal present at said switching elements for continuously supplying the current for generating the control voltage. The switching elements are closed at discrete times or periodically in the standby mode by feeding a refresh signal for discontinuously refreshing the control voltage. A DRAM memory having the circuit configuration is also provided.

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