What is it about?

In recent years, there is a trend towards the development of reconfigurable circuits where devices using these circuits offer flexibility and performance. In this way, different technologies are explored, such as Threshold Logic Gates (TLG) which is one of the most promising future technologies, and researchers are examining and improving different characteristics such as density, performance and power dissipation.

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Why is it important?

The main contribution is that this device is configured as a v-CMOS inverter and has the ability to program the threshold voltage of its transfer curve by applying an external voltage to the additional control gates. The results show that properly interconnecting reconfigurable blocks and selecting specific transition voltages provide Boolean functions such as AND, NAND, OR, NOR, XOR and XNOR, which can be performed without modification of the circuit configuration.

Perspectives

The results are completely consistent among the three designs, showing the feasibility of the methodology based on the floating gates of v-CMOS. Also, a group of two logical operations and two arithmetic operations was shown, producing the same results as those obtained for the commercial chip and an FPGA evaluation board. This methodology can be considered global because the same design can be made for different technologies or circuit polarization

Dr. Alejandro Medina Santiago
INAOE

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This page is a summary of: Reconfigurable Arithmetic Logic Unit Designed With Threshold Logic Gates , IET Circuits Devices & Systems, May 2018, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-cds.2018.0046.
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