Publication Details
Polymorphic RTL Computational Elements
Šimek Václav, Ing. (DCSY)
Nevoral Jan, Ing., Ph.D. (DCSY)
Polymorphic gate, ambipolar transistor, polymorphic
electronics, digital circuit.
The concept of polymorphic electronics allows to efficiently implement two or
more functions in a single circuit, whereas the currently selected function
depends on the state of the circuit operating environment. The key components of
such circuits are polymorphic gates. Since the introduction of polymorphic
electronics, few tens of polymorphic gates have been published. However, a large
number of them exhibit parameters that fall behind ubiquitous CMOS technology. As
a result of that, the perspective of their utilisation for real applications
becomes rather bleak. This paper shows a new approach to polymorphic electronics.
It is based on gates whose behaviour depends on the polarity of dedicated power
supply rails. Such approach allows to design gates with significantly improved
parameters. Several sets of bi-functional polymorphic gates were designed and
validated by HSPICE simulations. The advantage of newly designed gates is
demonstrated at two higher levels of abstraction - bi-functional RTL components
and applications (bi-functional image filters). Both designed RTL components and
image filters showed to be significantly area-efficient compared to the best
known solutions.
@inproceedings{BUT185178,
author="Richard {Růžička} and Václav {Šimek} and Jan {Nevoral}",
title="Polymorphic RTL Computational Elements",
booktitle="Proceedings of the DSD 2023",
year="2023",
pages="523--530",
publisher="IEEE Computer Society",
address="Durres",
doi="10.1109/DSD60849.2023.00078",
isbn="979-8-3503-4419-6"
}