Patent · US Expired

Semiconductor integrated circuit having circuit for correcting data output timing

US6424592B1 · kind B1 · utility

29Cited by
6References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 30, 2000
Grant dateJul 23, 2002
Priority date—
Expiry dateNov 30, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C8/18
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor integrated circuit includes a DLL circuit generating an internal clock signal, a plurality of clock generators generating respective output clock signals based on the internal clock signal, a plurality of output buffers outputting to a plurality of data input/output pins data according to corresponding output clock signals respectively, and a selection circuit. The selection circuit outputs a code signal for allowing the timing of the earliest output clock signal to conform to the timing of the latest output clock signal. A predetermined clock generator adjusts the timing of the output clock signal according to the code signal.

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