Patent SG-11201901213Y-A (SG)
Title: Storing memory array operational information in nonvolatile subarrays
Inventor: Kawamura Christopher
IPC: G11C11/22
Filed: 2017-08-28
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 111111111111111111111111111111111111111111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\" WO 2018/052696 Al 22 March 2018 (22.03.2018) WIP0 I PCT (51) International Patent Classification: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, Gl1C 11/22 (2006.01) CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (21) International Application Number: DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, PCT/US2017/048906 HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (22) International Filing Date: MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 28 August 2017 (28.08.2017) OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (25) Filing Language: English SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (26) Publication Language: English (84) Designated States (unless otherwise indicated, for every (30) Priority Data: kind of regional protection available): ARIPO (BW, GH, 15/267,817 16 September 2016 (16.09.2016) US GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (71) Applicant: MICRON TECHNOLOGY, INC. [US/US]; TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, 8000 S. Federal Way, Boise, ID 83716-9632 (US). EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, (72) Inventors: KAWAMURA, Christopher, John; 8000 S. MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Federal Way, Boise, ID 83716-9632 (US). DERNER, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, Scott, James; 8000 S. Federal Way, Boise, ID 83716-9632 KM, ML, MR, NE, SN, TD, TG). (US). INGALLS, Charles, L.; 8000 S. Federal Way, Boise, _ ID 83716-9632 (US). Declarations under Rule 4.17: — as to applicant's entitlement to apply for and be granted a (74) Agent: HARRIS, Philip, W.; Holland & Hart LLP, P.O. patent (Rule 4.17(ii)) Box 11583, Salt Lake City, UT 84147 (US). — as to the applicant's entitlement to claim the priority of the _ =_ (81) Designated States (unless otherwise indicated, for every earlier application (Rule 4.17(iii)) kind of national protection available): AE, AG, AL, AM, = (54) Title: STORING MEMORY ARRAY OPERATIONAL INFORMATION IN NONVOLATILE SUBARRAYS (57) : Methods, systems, and apparatuses for storing operational information related to operation of a non-volatile array are described. For 1w_, J-, b — example, the operational information may be stored in a in a subarray of a memory array for use in analyzing errors in the operation of memory array. = — . : se.. In some examples, an array driver may be located between a command = Neu - v° 1 thie memeY mr\" 1013 mix= decoder and a memory array. The array driver may receive a signal pattern 110 410 IB12 used to execute an access instruction for accessing non-volatile memory = 3oL 1111 11111MW cells of a memory array and may access the first set of non-volatile memory = = = 410 , - • 111 es a s c in co stm rdig c n tio t n o ( t e e „ h .g si t g h na e in b l p a a ry ttern rep . r T e h a se e rr n ta t a dr io y n c )f iv th er e m ac a a c y es in s ls o st s m tor th c e tio n e ) 4,0 access at a non-volatile subarray of the memory array. 425 41 . Command c c = 4117L) D11, c r ( a - 11 435 0 440 4 , 5 0 1 C•1 1 1 in © ,—, '10 0 © FIG. 4 C•1 O [Continued on next page] WO 2018/052696 Al D ill Published: — with international search report (Art. 21(3))