SG11201809295PA - Inverter-based resistors, analog-to-digital converters, and methods for dynamically generating resistance in a digital-only circuit - Google Patents

Abstract

508 502 NN NP 0.6V) 0 (0/1.2V) 506 510 Figure 5A r 500 W O 20 17 / 188897 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 02 November 2017 (02.11.2017) WIP0 I PC T 0111111010 0111 Holm o oimIE (10) International Publication Number WO 2017/188897 Al (51) International Patent Classification: H01L 29/8605 (2006.01) H031111/12 (2006.01) H03K 19/0948 (2006.01) H03111 3/00 (2006.01) (21) International Application Number: PCT/SG2017/050228 (22) International Filing Date: 25 April 2017 (25.04.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 10201603270Q 25 April 2016 (25.04.2016) SG (71) Applicant: AGENCY FOR SCIENCE, TECHNOLO- GY AND RESEARCH [SG/SG]; 1 Fusionopolis Way, #20-10 Connexis North Tower, Singapore 138632 (SG). (72) Inventor: NISHIDA, Yoshio; c/o Industry Development, Institute of Microelectronics, 2 Fusionopolis Way, #08-02 Innovis Tower, Singapore 138634 (SG). (74) Agent: SPRUSON & FERGUSON (ASIA) PTE LTD; P.O. Box 1531, Robinson Road Post Office, Singapore 903031 (SG). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3)) (54) Title: INVERTER-BASED RESISTORS, ANALOG-TO-DIGITAL CONVERTERS, AND METHODS FOR DYNAMICALLY GENERATING RESISTANCE IN A DIGITAL-ONLY CIRCUIT (57) : According to various embodiments, an invert- er-based resistor may be provided. The inverter- based resistor may include at least one digital inverter, wherein each of the at least one digital inverter is configured to receive an input and provide an output, each of the at least one digital inverter further includes a positive voltage rail and a negative voltage rail, where- in the digital inverter input is connected to the inverter output and the positive voltage rail is connected to the negative voltage rail, and wherein a current flowing through the inverter-based resistor varies in direction and magnitude in response to a digital input provided to the positive voltage rail and the negative voltage rail.