(19)
(11) EP 1 309 877 A2

(12)

(88) Date of publication A3:
11.07.2002

(43) Date of publication:
14.05.2003 Bulletin 2003/20

(21) Application number: 01959122.1

(22) Date of filing: 23.07.2001
(51) International Patent Classification (IPC)7: G01R 31/3185
(86) International application number:
PCT/US0123/168
(87) International publication number:
WO 0201/4886 (21.02.2002 Gazette 2002/08)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 15.08.2000 US 225425 P
29.09.2000 US 675953

(71) Applicants:
  • Infineon Technologies North America Corp.
    San Jose, CA 95112-4508 (US)
  • International Business Machines Corporation
    Armonk, NY 10504 (US)

(72) Inventors:
  • LEHMANN, Gunther
    Poughkeepsie, NY 12603 (US)
  • FRANKOWSKY, Gerd
    85635 Hohenkirchen-Siegertsbrunn (DE)
  • HSU, Louis
    Fishkill, NY 12524 (US)
  • REITH, Armin
    81543 Munich (DE)

(74) Representative: Epping Hermann & Fischer 
Ridlerstrasse 55
80339 München
80339 München (DE)

   


(54) METHOD TO DESCRAMBLE THE DATA MAPPING IN MEMORY CIRCUITS