دانش و فناوری هوافضا

دانش و فناوری هوافضا

ارائه فلیپ-فلاپ سه ارزشی با توان بسیار پایین با بهره‌گیری از ترانزیستورهای اثرمیدانی نانولوله‌های کربنی

نوع مقاله : مقاله پژوهشی

نویسندگان
1 دانشجوی دکتری، دانشکده مهندسی کامپیوتر، واحد کرمان، دانشگاه آزاد اسلامی، کرمان، ایران
2 دانشیار، دانشکده مهندسی کامپیوتر، واحد کرمان، دانشگاه آزاد اسلامی ، کرمان، ایران
3 استادیار، دانشکده مهندسی کامپیوتر، واحد بم، دانشگاه آزاد اسلامی ، بم، ایران
چکیده
در این مقاله ما ابتدا به بررسی ترانزیستورهای نانولوله کربنی می‌پردازیم. ترانزیستورهای نانولوله کربنی به خاطر داشتن ولتاژ آستانه متغیر و قابل کنترل می‌توانند برای پیاده سازی منطق‌های چندارزشی مورد استفاده قرار گیرند.در این مقاله به بررسی مدارهای فلیپ-فلاپ سه ارزشی می‌پردازیم. این مدارها کاربرد بسیار زیادی در سیستم‌های الکترونیک دیجیتال دارند. با استفاده از منطق‌های چند ارزشی، یک ساختار جدید فلیپ-فلاپ نوع D ارائه می‌کنیم. مدار ارائه شده توان مصرفی بسیار پایینی (بیش از 61 درصد کاهش) نسبت به دیگر ساختارها دارد. همچنین مدار ارائه شده تعداد ترانزیستور کمتری نسبت به مدارهای مورد مقایسه داشته که نتیجه آن کاهش مساحت مصرفی روی تراشه است. این مدار توان مصرفی استاتیک برای تولید ارزش میانی نداشته که این خود باعث می‌شود نسبت به تغییرات مشخصه‌های ترانزیستوری بسیار مقاوم باشد. همچنین در ادامه ساختار ارائه شده را در دما و ولتاژ منبع تغذیه مختلف کاری شبیه سازی کرده و نتایج آن را با ساختارهای دیگر مورد مقایسه قرار دادیم. ساختار ارائه شده نتایج بهتری نسبت به ساختار مقایسه شده داشته و نسبت به این تغییرات بسیار مقاوم می باشد. مدار ارائه شده به دلیل داشتن توان مصرفی بسیار پایین در کاربردهای هوافضا قابل استفاده می باشد.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Proposing an ultra low power three-valued flip-flop by using carbon nanotube field effect transistor

نویسندگان English

Mahmoud Yazdanpanah 1
Peiman Keshavarzian 2
Mokhtar Mohammadi Ghanatghestani 3
1 Department of Computer Engineering,Kerman Branch,Islamic Azad University, Kerman, Iran.
2 Department of Computer Engineering,Kerman Branch,Islamic Azad University, Kerman, Iran.
3 Department of Computer Engineering,Bam Branch,Islamic Azad University, Bam, Iran
چکیده English

This paper explores the use of carbon nanotube transistors for implementing multi-valued logic, made possible by their highly controllable threshold voltage. The ability to tune the threshold voltage enables the generation of multiple sensitivity levels, which makes these devices particularly attractive for advanced and scalable circuit designs. In this study, a novel three-valued D Flip-Flop structure is introduced, described in detail, and thoroughly analyzed. The proposed circuit achieves more than 61% reduction in power consumption compared to conventional binary-based designs. In addition, it requires fewer transistors overall, which translates into a smaller chip area and improved integration density. Unlike other available structures, the design does not consume static power to generate intermediate logic values, thereby improving its robustness against variations in transistor characteristics and fabrication uncertainties. To validate its effectiveness, the circuit was simulated under a wide range of operating temperatures and supply voltages. The results confirm superior performance, strong tolerance to environmental variations, and extremely low power consumption, making it especially suitable for aerospace applications.

کلیدواژه‌ها English

Low Power
Carbon Nanotube
Flip-Flop
Multi-Valued
Area Consumption
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