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- W2549471323 abstract "Power dissipation during test is a significant problem as the size and complexity of systems-on-chip (SOCs) continue to grow. During scan shifting, more transitions occur in the flip-flops compared to what occurs during normal functional operation. This problem is further compounded when pseudorandom filling of the unassigned input values is employed. Excessive power dissipation during test can increase manufacturing costs by requiring the use of a more expensive chip packaging or causing unnecessary yield loss. In this project, a new test-data-compression scheme based on linear feedback shift register (LFSR) reseeding that significantly reduces power consumption during test is proposed. Test-data volume has also increased dramatically as the size and the complexity of chips grow. A large number of test pattern bits being assigned randomly cause a large number of transitions in the scan chains thereby increasing power dissipation during test drastically. To overcome this a new encoding algorithm is Proposed to achieve test data compression and low power dissipation. dissipate heat; the test must be run at a lower frequency. Therefore, both test power and test data should be considered to reduce test time effectively. Conventional test data compression schemes generally dissipate high power. Most conventional compression schemes exploit the fact that a test set has a large number of don't cares and only 1~5% of specified (care) bits. The don't cares are assigned to maximize compression. In this process, a large number of transitions may occur in test patterns. The larger the number of transitions in the test patterns, the larger the power dissipation. This dissertation addresses these two important problems in the VLSI testing area, namely test data volume and test power." @default.
- W2549471323 created "2016-11-30" @default.
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- W2549471323 date "2015-01-01" @default.
- W2549471323 modified "2023-09-23" @default.
- W2549471323 title "LOW POWER AND TEST DATA COMPRESSION IN VLSI TESTING USING NEW ENCODING SCHEME" @default.
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