Global Patent Index - EP 2704012 A8

EP 2704012 A8 2014-04-30 - Adaptive error correction for non-volatile memories

Title (en)

Adaptive error correction for non-volatile memories

Title (de)

Adaptive Fehlerkorrektur für nichtflüchtige Speicher

Title (fr)

Correction d'erreurs adaptatives pour des mémoires non-volatiles

Publication

EP 2704012 A8 (EN)

Application

EP 13179559 A

Previously Filed Application

201213595282 20120827 US

Priority

US 201213595282 A

Abstract (en)

[origin: EP2704012A1] Methods and systems are disclosed for adaptive error correction for non-volatile memories that dynamically adjust sense amplifier read detection windows. Memory control circuitry (120) uses error correction code (ECC) routines (124) to detect bit errors that are non-correctable using these ECC routines. The memory control circuitry (120) then dynamically adjusts sense amplifier read detection windows (312) to allow for correct data to be determined. Corrected data can then be output to external circuitry. The corrected data can also be stored for later access when subsequent read operations attempt to access address locations that previously suffered bit failures. The disclosed methods and systems can also be used with respect to memories that are not non-volatile memories.

IPC 8 full level (invention and additional information)

G06F 11/10 (2006.01); G11C 11/00 (2006.01)

CPC (invention and additional information)

G06F 11/1048 (2013.01); G11C 29/026 (2013.01); G11C 29/028 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

EPO simple patent family

EP 2704012 A1 20140305; EP 2704012 A8 20140430; JP 2014044791 A 20140313; US 2014059398 A1 20140227; US 8793558 B2 20140729

INPADOC legal status


2016-08-10 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20160301

2014-10-15 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20140905

2014-10-15 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2014-03-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2014-03-05 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME