Memory devices with improved refreshing operation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10475490
APP PUB NO 20180033471A1
SERIAL NO

15728375

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A memory device includes memory cells and a refresh module. The memory cells are coupled to a bit line, in which at least one memory cell of the memory cells is configured to store predetermined data. The refresh module is configured to refresh the at least one memory cell if a target memory cell of the memory cells is programmed or erased, in order to keep at least one cell current of the at least one memory cell away from a predetermined verify current level.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chih, Yue-Der Hsinchu, TW 110 812
Kuo, Cheng-Hsiung Jhubei, TW 52 249
Li, Gu-Huan Zhubei, TW 33 77
Liu, Chien-Yin Hsinchu, TW 23 72

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 May 12, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 12, 2031
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00