Patent · US Active

Semiconductor device

US9978459B2 · kind B2 · utility

0Cited by
12References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 21, 2015
Grant dateMay 22, 2018
Priority date
Expiry dateSep 2, 2035

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C29/52
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device includes a memory array including a plurality of memory blocks, wherein the memory blocks are grouped into sub-block groups, and the sub-block groups are grouped into main block groups; an operation circuit suitable for performing a read operation and a test read operation on memory cells included in the memory block; and a read counter suitable for counting a first number of read operations for each word line in the respective main block groups and a second number of read operations for the respective sub-block groups.

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