SEMICONDUCTOR INTEGRATED CIRCUITS

Design of basic digital circuit blocks based on an OFET device charge model

Shu Shen

+ Author Affiliations

 Corresponding author: Shen Shu, Email:seth.shenshu@gmail.com

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Abstract: An OFET charge model, as well as its parameter extraction method are presented. The fitting results are also discussed and different OFET model characters are compared. Some basic OFET based digital circuit blocks, including the inverter, NAND, and ring oscillator are also developed, which would be considered to be helpful to the design of relevant applications.

Key words: OFETSPICEADSinverterNANDring oscillator



[1]
Cantatore E, Geuns T C T, Gelinck G H, et al. A 13.56 MHz RFID system based on organic transponders. IEEE J Solid-State Circuits, 2007, 42(1):84 doi: 10.1109/JSSC.2006.886556
[2]
Shen S, Tinivella R, Pirola M, et al. SPICE library for low-cost RFID applications based on pentacene organic FET. Proc 6th International Conference on Wireless Communication, Networking and Mobile Computing, 2010 https://core.ac.uk/display/11418931
[3]
Tinivella R, Shen S, Pirola M, et al. A device-level analog and digital subsystem SPICE library for the design of low-cost pentacene OFET RFIDs. Proc IMS Conference, 2010:848
[4]
Tinivella R, Camarchia V, Pirola M, et al. Simulation and design of OFET RFIDs through an analog/digital physics-based library. Org Electron, 2011, 12:1328 doi: 10.1016/j.orgel.2011.03.047
[5]
Shen S. Low cost RFID system based on all organic technology. PhD Thesis, Politecnico di Torino, Italy, 2012 https://www.elsevier.com/books/chipless-rfid-based-on-rf-encoding-particle/vena/978-1-78548-107-9
[6]
Cerdeira A, Estrada M, Garcia R, et al. New procedure for the extraction of basic a-Si:H TFT model parameters in the linear and saturation regions. Solid-State Electron, 2001, 45:1077 doi: 10.1016/S0038-1101(01)00143-5
[7]
Estrada M, Cerdeira A, Puigdollers J, et al. Accurate modeling and parameter extraction method for organic TFTs. Solid-State Electron, 2005, 49:1009 doi: 10.1016/j.sse.2005.02.004
[8]
Yasghmaszxasdeh O, Bonnasasasieuzx Y, Saboundji A, et al. A SPICE-like DC model for organic thin-film transistors. Korean Physical Society, 2007, 54(1):523
[9]
Iniguez B, Picos R, Veksler D, et al. Universal compact model for long-and short-channel thin-film transistors. Solid-State Electron, 2008, 52:400 doi: 10.1016/j.sse.2007.10.027
[10]
Estrada M, Cerdeira A, Pallares J, et al. Mobility model for compact device modeling of OTFTs made with different materials. Solid-State Electron, 2008, 52:787 doi: 10.1016/j.sse.2007.11.007
[11]
Spice Freeware online, Available from: http://www.spiceopus.si/
[12]
Agilent ADS, Version 2009, Agilent Technol. , Palo Alto, CA, 2009
[13]
Iniguez B, Pallares J, Marsal L F, et al. Compact modeling of organic thin-film transistors. Proc ICSICT, 2010:1268 https://ueaeprints.uea.ac.uk/63244/1/Accepted_manuscript.pdf
[14]
Marinov O, Deen M J, Zschieschang U, et al. Organic thin-film transistors:Part I—compact DC modeling. IEEE Trans Electron Devices, 2009, 56:2952 doi: 10.1109/TED.2009.2033308
[15]
Deen M J, Marinov O, Zschieschang U, et al. Organic thin-film transistors:Part Ⅱ—parameter extraction. IEEE Trans Electron Devices, 2009, 56:2962 doi: 10.1109/TED.2009.2033309
Fig. 1.  Measured (symbols) and modeled (solid lines) output characteristics with $V_{\rm GS}$ from $-20.1$ to $-0.1$ V.

Fig. 2.  Measured (symbols) and modeled (solid lines) transfer characteristics with $V_{\rm DS}$ from $-20.1$ to $-0.1$ V.

Fig. 3.  Zero-$V_{\rm GS}$ load inverter schematic implementation.

Fig. 4.  Input–output static inverter characteristic.

Fig. 5.  Transient simulation ($V_{\rm SS}$ $=$ 0 V, $V_{\rm DD}$ $=$ $-10$ V), with a 500 Hz symmetrical square wave at the input.

Fig. 6.  Zero-$V_{\rm GS}$ NAND2 schematic implementation.

Fig. 7.  Transient simulation ($V_{\rm SS}$ $=$ 0 V, $V_{\rm DD}$ $=$ $-10$ V), with two 500 Hz symmetrical square wave inputs with different delays.

Fig. 8.  Ring oscillator electrical scheme.

Fig. 9.  Time domain response of the 11-stage ring oscillator with an oscillation frequency around 2 kHz.

Table 1.   Parameters of the OFET charge model.

[1]
Cantatore E, Geuns T C T, Gelinck G H, et al. A 13.56 MHz RFID system based on organic transponders. IEEE J Solid-State Circuits, 2007, 42(1):84 doi: 10.1109/JSSC.2006.886556
[2]
Shen S, Tinivella R, Pirola M, et al. SPICE library for low-cost RFID applications based on pentacene organic FET. Proc 6th International Conference on Wireless Communication, Networking and Mobile Computing, 2010 https://core.ac.uk/display/11418931
[3]
Tinivella R, Shen S, Pirola M, et al. A device-level analog and digital subsystem SPICE library for the design of low-cost pentacene OFET RFIDs. Proc IMS Conference, 2010:848
[4]
Tinivella R, Camarchia V, Pirola M, et al. Simulation and design of OFET RFIDs through an analog/digital physics-based library. Org Electron, 2011, 12:1328 doi: 10.1016/j.orgel.2011.03.047
[5]
Shen S. Low cost RFID system based on all organic technology. PhD Thesis, Politecnico di Torino, Italy, 2012 https://www.elsevier.com/books/chipless-rfid-based-on-rf-encoding-particle/vena/978-1-78548-107-9
[6]
Cerdeira A, Estrada M, Garcia R, et al. New procedure for the extraction of basic a-Si:H TFT model parameters in the linear and saturation regions. Solid-State Electron, 2001, 45:1077 doi: 10.1016/S0038-1101(01)00143-5
[7]
Estrada M, Cerdeira A, Puigdollers J, et al. Accurate modeling and parameter extraction method for organic TFTs. Solid-State Electron, 2005, 49:1009 doi: 10.1016/j.sse.2005.02.004
[8]
Yasghmaszxasdeh O, Bonnasasasieuzx Y, Saboundji A, et al. A SPICE-like DC model for organic thin-film transistors. Korean Physical Society, 2007, 54(1):523
[9]
Iniguez B, Picos R, Veksler D, et al. Universal compact model for long-and short-channel thin-film transistors. Solid-State Electron, 2008, 52:400 doi: 10.1016/j.sse.2007.10.027
[10]
Estrada M, Cerdeira A, Pallares J, et al. Mobility model for compact device modeling of OTFTs made with different materials. Solid-State Electron, 2008, 52:787 doi: 10.1016/j.sse.2007.11.007
[11]
Spice Freeware online, Available from: http://www.spiceopus.si/
[12]
Agilent ADS, Version 2009, Agilent Technol. , Palo Alto, CA, 2009
[13]
Iniguez B, Pallares J, Marsal L F, et al. Compact modeling of organic thin-film transistors. Proc ICSICT, 2010:1268 https://ueaeprints.uea.ac.uk/63244/1/Accepted_manuscript.pdf
[14]
Marinov O, Deen M J, Zschieschang U, et al. Organic thin-film transistors:Part I—compact DC modeling. IEEE Trans Electron Devices, 2009, 56:2952 doi: 10.1109/TED.2009.2033308
[15]
Deen M J, Marinov O, Zschieschang U, et al. Organic thin-film transistors:Part Ⅱ—parameter extraction. IEEE Trans Electron Devices, 2009, 56:2962 doi: 10.1109/TED.2009.2033309
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    Received: 10 August 2012 Revised: 18 November 2012 Online: Published: 01 May 2013

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      Shu Shen. Design of basic digital circuit blocks based on an OFET device charge model[J]. Journal of Semiconductors, 2013, 34(5): 055003. doi: 10.1088/1674-4926/34/5/055003 S Shen. Design of basic digital circuit blocks based on an OFET device charge model[J]. J. Semicond., 2013, 34(5): 055003. doi: 10.1088/1674-4926/34/5/055003.Export: BibTex EndNote
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      Shu Shen. Design of basic digital circuit blocks based on an OFET device charge model[J]. Journal of Semiconductors, 2013, 34(5): 055003. doi: 10.1088/1674-4926/34/5/055003

      S Shen. Design of basic digital circuit blocks based on an OFET device charge model[J]. J. Semicond., 2013, 34(5): 055003. doi: 10.1088/1674-4926/34/5/055003.
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      Design of basic digital circuit blocks based on an OFET device charge model

      doi: 10.1088/1674-4926/34/5/055003
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      Project supported by the NAMATECH Project of Regione Piemonte, Italy

      the NAMATECH Project of Regione Piemonte, Italy 

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      • Corresponding author: Shen Shu, Email:seth.shenshu@gmail.com
      • Received Date: 2012-08-10
      • Revised Date: 2012-11-18
      • Published Date: 2013-05-01

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