Department of Electronics and Communication Engineering,Indian Institue of Technology Roorkee
Bishnu Prasad Das
Bishnu Prasad Das Associate professor +91-1332-284798
Areas of Interest
  • VLSI Circuit and System Level Designs, Cyber Physical System Designs and FPGA based Designs., Standard Cell library Design, Resilient circuit design, Hardware security, Variability Measurement
Professional Background
2012-01-012013-01-01Post Doctoral ResearcherCMU, Pittsburgh, USA
2009-01-012012-01-01Post Doctoral ResearcherKyoto University, Japan
Honors and Awards
Young Faculty Research Fellowship (YFRF)Ministry of Electronics &: Information Technology (MeitY), Government of India2018
Educational Details
Ph.D.Electronics Design & TechnologyIISc, Bangalore2009
Sponsored Research Projects
TopicFunding AgencyStart DatePeriod
Design and on-chip characterization of standard cell libraryFIG2015-015 years 8 months
Design of Voltage-Scalable and Process Variation Tolerant Standard Cell LibrarySERB2016-014 years 8 months
SMDP C2SD (Chips to Systems Design)MEITY2015-015 years 8 months
Teaching Engagements
TitleCourse CodeClass NameSemester
Analog VLSI Circuit DesignECN-581M.Tech., B.Tech IV, Ph.DAutumn
VLSI Physical DesignECN-591M.Tech., B.Tech IV, Ph.DSpring
Digital System DesignECN-578M.Tech., B.Tech IV, Ph.DAutumn
IC Application LaboratoryECN-351B.Tech IIIAutumn
Digital Electronic Circuits LaboratoryECN-252B.Tech II Spring
Microelectronic Devices,Technology and CircuitsECN-341B.Tech IIIAutumn
Training and SeminarEC-491B.Tech IVAutumn
Digital Logic DesignECN-104BTech (CSE)Spring
PHDs Supervised
TopicScholar NameStatus of PHDRegistration Date
Resilient Circuit DesignSannena GovindaO2014-01
Sub-threshold Standard Cell DesignPriyamvada SharmaO2014-01
On-chip Process Variation MeasurementPoorvi JainO2015-01
Memory DesignPrasanna Kumar SaragadaO2017-01
DSP architecturesAnu VermaO2018-01
RF Circuit DesignAnshul VermaO2019-01
Soil SensorsAranya GuptaO2020-01
Books Authored

1. Bishnu Prasad Das, Bharadwaj Amrutur and Hidetoshi Onodera, “On-chip gate delay variability measurement in scaled technology node", in Book title: Nano-CMOS and Post-CMOS Electronics: Vol 2. Circuits and Design, Edited by S. P. Mohanty and A. Srivastava, The Institute of Engineering and Technology (IET), UK, 2015, ISBN: 978-1-84919-999-5.

Available :

Refereed Journal Papers


P1. Bharadwaj Amrutur and Bishnu Prasad Das, “Gate Delay Measurement Circuit and Method of Determining a Delay of a Logic Gate” US patent No. 8,224,604 B1 and date of Patent July 17, 2012. 

P2. Lawrence Pileggi, Bishnu P. Das, Kaushik Vaidyanathan, “Testing integrated circuits during split fabrication,” Application No: PCT/US2015/012220, Publication no: WO2015160405 A3, Publication date, Dec 10, 2015.

Journal Papers

J8. Poorvi Jain and Bishnu Prasad Das, "On-Chip Threshold Voltage Variability Estimation Using Reconfigurable Ring Oscillator, "Accepted in IEEE Transactions on Semiconductor Manufacturing.

J7. Govinda Sannena and Bishnu Prasad Das, "Low Overhead Warning Flip-flop Based on Charge Sharing for Timing Slack Monitoring," in IEEE Transactions on Very Large Scale Integration Systems (Accepted For Publication).

J6. Govinda Sannena and Bishnu Prasad Das, "Metastability immune and area efficient error masking flip-flop for timing error resilient designs", in Elsevier Integration, the VLSI Journal (Accepted For Publication). 

J5. Bishnu Prasad Das and Hidetoshi Onodera, “Frequency-Independent Warning Detection Sequential for Dynamic Voltage and Frequency Scaling in ASICs,” in IEEE Transactions on Very Large Scale Integration Systems, vol. 22, no. 12, pp. 2535-2548, Dec. 2014.

J4. Bishnu Prasad Das and Hidetoshi Onodera, “On-chip Measurement of Rise/Fall Gate Delay Using Reconfigurable Ring Oscillator,”  IEEE Transactions on Circuits and Systems II, Vol. 61, No. 3, Mar 2014, pp. 183-187.

J3. Bishnu Prasad Das and Hidetoshi Onodera, “Area-Efficient Reconfigurable-Array-Based Oscillator for Standard Cell Characterization,” IET Circuits Devices Syst., Vol. 6, Iss. 6, pp. 429–436, Nov. 2012.

J2. Bishnu Prasad Das, Bharadwaj Amrutur, H.S.Jamadagni, N.V.Arvind, V. Visvanathan, “Voltage and Temperature Aware SSTA Using Neural Network Delay Model,” IEEE Transactions on Semiconductor Manufacturing, vol. 24, No. 4, pp. 533- 544, Nov. 2011.

J1. Bishnu Prasad Das, Bharadwaj Amrutur, H.S.Jamadagni, N.V.Arvind, V. Visvanathan, “Within-Die Gate Delay Variability Measurement using Re-configurable Ring Oscillator,” IEEE Transactions on Semiconductor Manufacturing, Vol. 22, No. 2, pp. 256-267, May 2009.

Conference papers

C17. Poorvi Jain and Bishnu Prasad Das, "On-Chip Threshold Voltage Variability Detector Targeting Supply of Ring Oscillator for Characterizing Local Device Mismatch", Accepted in ICMTS conference 2019 at Kita-kyushu City, Japan

C16. Swaati and Bishnu Prasad Das, " A 10T Subthreshold SRAM Cell with Minimal Bitline Switching for Ultra-low Power Applications",  21st International Symposium on VLSI Design and Test (VDAT), 2017, Roorkee, India.

C15. Poorvi Jain and Bishnu Prasad Das, "Within-Die Threshold Voltage Variability Estimation Using Reconfigurable Ring Oscillator", IEEE VLSI Design conference, 2017, Hyderabad, India.

C14. Govinda Sannena and Bishnu Prasad Das, "Area and Power-efficient Timing Error Predictor for Dynamic Voltage and Frequency Scaling Application,"  IEEE  International Symposium on Nanoelectronic and Information Systems (iNIS), December 19-21, 2016, Gwalior, India

C13. Govinda Sannena and Bishnu Prasad Das, "A Metastability Immune Timing Error Masking FlipFlop for Dynamic Variation Tolerance," ACM GLSVLSI, Boston, USA, May, 2016.

C12. Kaushik Vaidyanathan, Bishnu P Das and Larry Pileggi“Detecting Reliability Attacks during Split Fabrication using Test-only BEOL Stack,” IEEE/ACM Design Automation Conference (DAC), June, 2014

C11. Kaushik Vaidyanathan, Bishnu P Das, Ekin Sumbul, Renzhi Liu, Larry Pileggi, “Building trusted ICs using split fabrication,” IEEE International Symposium on Hardware-Oriented Security and Trust (HOST), 2014

C10.  Bishnu Prasad Das and Hidetoshi Onodera, “Reconfigurable Array-Based Area-Efficient Test Structure for Standard Cell Characterization,” IEEE Twelfth Workshop on RTL and High Level Testing, 2011.

C9. Bishnu Prasad Das and Hidetoshi Onodera, “Warning Prediction Sequential for Transient Error Prevention,” IEEE International Symposium on Defect and Fault Tolerance in VLSI Systems 2010.

C8.  Bishnu Prasad Das and Hidetoshi Onodera, “Accurate Individual Gate Delay Measurement to Study Within-die Variations”, IEICE Spring meeting, Sendai, Japan, March 2010

C7.  Bishnu Prasad Das, “Delay Variability: Modeling and On-chip Measurement”, PhD Forum, Design Automation & Test in Europe, Nice, France, April, 2009

C6.  Bishnu Prasad Das, Bharadwaj Amrutur, H.S.Jamadagni, N.V.Arvind, V. Visvanathan, “Within-Die Gate Delay Variability Measurement using Re-configurable Ring Oscillator”, IEEE Custom Integrated Circuits Conference (CICC), San Jose, USA, September 2008.

C5.  Bishnu Prasad Das, Janakiraman V, B Amrutur, H.S. Jamadagni, N.V. Arvind, “Voltage and Temperature Scalable Gate Delay and Slew Models Including Intra-Gate Variations”, IEEE VLSI Design Conference, Hyderabad, India, Jan 2008

C4. Janakiraman V, Bishnu Prasad Das, B Amrutur, “Voltage and temperature scalable standard cell leakage models based on stacks for statistical leakage characterization”, IEEE VLSI Design Conference, Hyderabad, India, Jan 2008.

C3.  Bishnu Prasad Das, Bharadwaj Amrutur, H S Jamadagni Voltage scalable statistical gate delay models using neural networks, 11th IEEE VLSI Design And Test Symposium, Kolkota, India, 2007.

C2.  Janakiraman, Bishnu Prasad Das, Vish Visvanathan and B. Amrutur, "Leakage modeling of logic gates considering effect of input vectors", 11th IEEE VLSI Design And Test Symposium, Kolkota, India, 2007

C1. Bishnu Prasad Das, Bharadwaj Amrutur, H.S.Jamadagni, “Critical Path Modeling for Dynamic Voltage Scaling (DVS) in Low Power Applications”, 10th IEEE VLSI Design and Test Symposium, Goa, India, 2006.


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