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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1, Number 3, May 2009

Issue on Electrical & Electronics

Page(s): 301-304

Implementation of BIST Capability using LFSR Techniques in UART

Shikha Kakar, Balwinder Singh, and Arun Khosla

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Abstract

The increasing growth of sub-micron technology has resulted in the difficulty of VLSI testing. Test and design for testability are recognized today as critical to a successful design. Built-in-Self-Test (BIST) is becoming an alternative solution to the rising costs of external electrical testing and increasing complexity of devices Small increase in the cost of system reduces large testing cost. BIST is a design technique that allows a circuit to test itself Test pattern generator (TPG) using Linear Feedback Shift Resister (LFSR) is proposed which is more suitable for BIST architecture. We have implemented Universal asynchronous receiver transmitter (UART) with BIST capability using different LFSR techniques and compared these techniques for the logic utilization in SPARTAN3 XC3S200-4FT256 FPGA device.

Index Terms

BIST, VLSI Testing, Test Pattern Generation UART, LFSR

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