Patent · US Active

Method and apparatus for reducing crowbar current and controlling slew rate

US8723573B1 · kind B1 · utility

19Cited by

4References

20Claims

0Family size

Assignee

Integrated Device Technology, Inc. · US

Inventors

Wei Wang · Jining City, CN
Yumin Zhang · Lo Wu, CN

Key dates

Filing date	Jun 20, 2012
Grant date	May 13, 2014
Priority date	—
Expiry date	Jul 5, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG11C7/1057
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An output driver that includes a pull-up network comprising a first plurality of resistive branches forming a first R-2R resistive ladder structure, wherein the resistive branches of the pull-up network are coupled to a high voltage supply through pull-up switching transistors. The output driver may further include a pull-down network comprising a second plurality of resistive branches forming a second R-2R resistive ladder structure, wherein the resistive branches of the pull-down network are coupled to a low voltage supply through pull-down switching transistors. The output driver includes a control circuit to selectively activate or deactivate each of the first plurality of resistive branches and to selectively activate or deactivate each of the second plurality of resistive branches.

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