Now showing items 1-16 of 16

    • Adaptation and Evaluation of the Output-Deviations Metric to Target Small-Delay Defects in Industrial Circuits 

      Chakrabarty, Krishnendu; Tehranipoor, Mohammad; Yilmaz, Mahmut (2010-03-29)
      Timing-related defects are a major cause for test escapes and field returns for very-deep-sub-micron (VDSM) integrated circuits (ICs). Small-delay variations induced by crosstalk, process variations, power-supply noise, ...
    • CoSyn: Efficient Single-Cell Analysis Using a Hybrid Microfluidic Platform 

      Ibrahim, Mohamed; Chakrabarty, Krishnendu; Schlichtmann, Ulf (2016-11-18)
      Single-cell genomics is used to advance our understanding of diseases such as cancer. Microfluidic solutions have recently been developed to classify cell types or perform single-cell biochemical analysis on pre-isolated ...
    • Efficient Board-Level Functional-Fault Diagnosis with Missing Syndromes 

      Jin, Shi; Ye, Fangming; Zhang, Zhaobo; Chakrabarty, Krishnendu; Gu, Xinli (2015-07-01)
      Functional fault diagnosis is widely used in board manufacturing to ensure product quality and improve product yield. Advanced machine-learning techniques have recently been advocated for reasoning-based diagnosis; these ...
    • Error recovery in cyberphysical digital microfluidic biochips 

      Chakrabarty, Krishnendu; Ho, TY; Luo, Y (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2013-01-07)
      Droplet-based digital microfluidics technology has now come of age, and software-controlled biochips for healthcare applications are starting to emerge. However, today's digital microfluidic biochips suffer from the drawback ...
    • Execution of Provably Secure Assays on MEDA Biochips to Thwart Attacks 

      Chakrabarty, Krishnendu; Liang, Tung-Che; Shayan, Mohammed; Karri, Ramesh (2018)
      Digital microfluidic biochips (DMFBs) have emerged as a promising platform for DNA sequencing, clinical chemistry, and point-of-care diagnostics. Recent research has shown that DMFBs are susceptible to various types of malicious ...
    • Fault Tolerance for RRAM-Based Matrix Operations 

      Chakrabarty, Krishnendu; Liu, Mengyun; Xia, Lixue; Wang, Yu
      An RRAM-based computing system (RCS) provides an energy efficient hardware implementation of vector-matrix multiplication for machine-learning hardware. However, it is vulnerable to faults due to the immature RRAM fabrication ...
    • Fault-Tolerant Valve-Based Microfluidic Routing Fabric for Droplet Barcoding in Single-Cell Analysis 

      Moradi, Yasamin; Ibrahim, Mohamed; Chakrabarty, Krishnendu; Schlichtmann, Ulf (2017-12-11)
      High-throughput single-cell genomics is used to gain insights into diseases such as cancer. Motivated by this important application, microfluidics has emerged as a key technology for developing comprehensive biochemical ...
    • Functional test-sequence grading at register-transfer level 

      Chakrabarty, Krishnendu; Fang, H; Jas, A; Patil, S; Tirumurti, C (IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 2012-01-01)
      We propose output deviations as a surrogate metric to grade functional test sequences at the register-transfer level without explicit fault simulation. Experimental results for the open-source Biquad filter core and the ...
    • Generation of compact stuck-at test sets targeting unmodeled defects 

      Chakrabarty, Krishnendu; Kavousianos, X (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2011-05-01)
      This letter presents a new method to generate compact stuck-at test sets that offer high defect coverage. The proposed method first selects the most effective patterns from a large $N$-detect repository, by using a new output ...
    • Real-Time and Online Digital-Print Factory Workflow Optimization 

      Duan, Qing; Agrawal, Mukesh; Chakrabarty, Krishnendu; Zeng, Jun; Dispoto, Gary (2012-03-30)
      On-demand digital-print service offers mass customization and exemplifies personalized manufacturing services. We describe a real-time and online optimization technique based on genetic algorithms (GA) for print factory ...
    • Synthesis of a Cyberphysical Hybrid Microfluidic Platform for Single-Cell Analysis 

      Ibrahim, Mohamed; Chakrabarty, Krishnendu; Ulf, Schlichtmann (2017-10-16)
      Single-cell genomics is used to advance our understanding of diseases such as cancer. Microfluidic solutions have recently been developed to classify cell types or perform single-cell biochemical analysis on pre-isolated ...
    • Synthesis of Reconfigurable Flow-Based Biochips for Scalable Single-Cell Screening 

      Ibrahim, Mohamed; Sridhar, Aditya; Chakrabarty, Krishnendu; Schlichtmann, Ulf (2018-01-11)
      Single-cell screening is used to sort a stream of cells into clusters (or types) based on pre-specified biomarkers, thus supporting type-driven biochemical analysis. Reconfigurable flowbased microfluidic biochips (RFBs) ...
    • Test-Cost Modeling and Optimal Test-Flow Selection of 3D-Stacked ICs 

      Agrawal, Mukesh; Chakrabarty, Krishnendu (2015-03-02)
      Three-dimensional (3D) integration is an attractive technology platform for next-generation ICs. Despite the benefits offered by 3D integration, test cost remains a major concern, and analysis and tools are needed to understand ...
    • Test-Cost Optimization and Test-Flow Selection for 3D-Stacked ICs 

      Agrawal, Mukesh; Chakrabarty, Krishnendu; Eklow, Bill (2012-10-26)
      Three-dimensional (3D) integration is an attractive technology platform for next-generation ICs. Despite the benefits offered by 3D integration, test cost remains a major concern, and analysis and tools are needed to understand ...
    • Test-pattern selection for screening small-delay defects in very-deep submicrometer integrated circuits 

      Chakrabarty, Krishnendu; Tehranipoor, Mohammad; Yilmaz, Mahmut (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2010-05-01)
      Timing-related defects are major contributors to test escapes and in-field reliability problems for very-deep submicrometer integrated circuits. Small delay variations induced by crosstalk, process variations, power-supply ...
    • Time-division multiplexing for testing SoCs with DVS and multiple voltage islands 

      Chakrabarty, Krishnendu; Jain, A; Kavousianos, X; Parekhji, R (Proceedings - 2012 17th IEEE European Test Symposium, ETS 2012, 2012-08-13)
      Dynamic voltage scaling (DVS) has been widely adopted in multicore SoCs for reducing dynamic power consumption. Despite its benefits, the use of DVS increases test time because high product quality can only be ensured by ...