Patent · US Expired

Semiconductor memory device

US6563759B2 · kind B2 · utility

90Cited by
4References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 2001
Grant dateMay 13, 2003
Priority date
Expiry dateJun 4, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C11/4087
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a clock synchronous memory like a double data rate synchronous DRAM, a register is provided which is capable of setting a value (advanced latency) for specifying an input or entry cycle for a read or write command. Further, a timing adjustment register (124, 125) for delaying a signal by a predetermined cycle time according to the advanced latency set to the register is provided on a signal path in a column address system, which is formed between a column address latch circuit (110) and a column decoder (116).

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