Title:
【発明の名称】不揮発性記憶装置、不揮発性メモリシステムおよびその消去/書込みサイクルの数をカウントする方法
Document Type and Number:
Japanese Patent JP3410742
Kind Code:
B2
Abstract:
A nonvolatile storage system including several data storage arrays; a counter storage array for storing values indicating the remaining useful life of each of the data storage arrays; and a device for controlling access to each of the data storage arrays as a function of the values stored in each counter array. The counter array has an appreciably longer useful life than any of the data storage arrays.
Inventors:
Wilbur Davis Pricer
Application Number:
JP24790891A
Publication Date:
May 26, 2003
Filing Date:
September 26, 1991
Export Citation:
Assignee:
INTERNATIONAL BUSINESS MASCHINES CORPORATION
International Classes:
G06F12/16; G01C22/02; G11C16/02; G11C17/00; G11C29/00; G11C29/04; (IPC1-7): G06F12/16; G11C16/02; G11C29/00
Domestic Patent References:
| JP62283496A | ||||
| JP1286199A | ||||
| JP63305444A | ||||
| JP586596A | ||||
| JP636600U |
Attorney, Agent or Firm:
Hiroshi Sakaguchi (1 person outside)