Transistor gate count8/3/2023 ![]() Rawat, G., Rathod, K., Goyal, S., Kala, S., Mittal, P.: Design and analysis of ALU: Vedic mathematics approach. Negi, A., Saxena, D., Suneja, K.: High Level Synthesis of Chaos based Text Encryption Using Modified Hill Cipher Algorithm In: 2015 19th International Symposium on VLSI Design and Test, 2015 Manikantta Reddy, K., Nithin Kumar, Y.B., Dheeraj Sharma, M., Vasantha, H.: Low power, high speed error tolerant multiplier using approximate adders. In: Proceedings of the 25th IEEE/ACM Great Lakes Symposium on VLSI, pp. Jiang, H., Han, J., Lombardi, F.: A comparative review and evaluation of approximate adders. (2014)Īguirre-Hernandez, M., Linares-Aranda, M.: CMOS full-adders for energy-efficient arithmetic applications. Nanu, D., Roshini, P.K.: Approximate adder design using CPL logic for image compression. In: Proceedings of 17th IEEE/ACM International Symposium on Low-power Electronics and Design, pp. Gupta, V., Mohapatra, D., Park, S.P., Raghunathan, A., Roy, K.: IMPACT: imprecise adders for low-power approximate computing. In: IEEE/ACM International Symposium on Nanoscale Architectures, 2015 Yang, Z., Han, J., Lombardi, F.: Transmission gate-based approximate adders for inexact computing. In: IEEE International Conference on Nanotechnology, 2013 Yang, Z., Jain, A., Liang, J., Han, J., Lombardi, F.: Approximate XOR/XNOR-based adders for inexact computing. (2013)ĭilli kumar, B., Bharathi, M.: Low power multiplexer based full adder using pass transistor logic. ![]() Gupta, V., Mohapatra, D.: Low-power digital signal processing using approximate adders. Mishra, N., Mittal, P., Kumar, B.: Analytical modelling for static and dynamic response of organic pseudo all-p inverter circuits. In: International Conference on Computing Communication and Automation (2015) Rathod, A.P.S., Lakhera, P., Baliga, A.K., Mittal, P.: Performance Comparison of pass transistor and CMOS logic configuration based de-multiplexers. All circuits are simulated with the gpdk 90-nm technology in Cadence Virtuoso. The proposed adder minimizes the circuit area (number of transistors) substantially relative to current designs. Simulation results for proposed adders indicate that in contrast to the traditional adder for the random inputs, the adder suggested can achieve reduction of up to 40% power-delay product. The propagation delay in the circuit is significantly reduced due to low power. By decreasing the transistor count connected in series, energy consumption can be decreased. Approximate adder has been designed to decrease circuit complexity at transistor level. Thinking about the benefit of unwinding in precision, several approximate adders made from different techniques are proposed in this paper for error resilient applications. Thus, it is not important to give exactly correct output. Chances are that no matter if someone's building a whole CPU or something more special-purpose and limited, that someone will be doing so in terms of already-assembled-and-composable gates rather than transistors directly, if only for the sake of one's own sanity.In most digital applications like audio, speech, graphics and video, people can easily gather valuable data from output having small errors. ![]() Building a whole general-purpose CPU from individual transistors is much easier when those transistors are already arranged on a little board you can plug into your bigger board. "Chips" are just discrete components, whether crafted from a single chunk of silicon or itself built out of discrete components and treated as a single discrete unit. One of the key advantages of a general-purpose CPU is that it's general purpose and can be made to do all sorts of different things, but there are certainly plenty of cases where that ain't necessary and you'd need a fraction of that capability at most. There are multiple ways to skin a cat, though (perhaps literally this would be the post-apocalypse, after all!), and you're right that there are numerous ways to put transistors to use besides building full-blown CPUs. There are examples elsewhere in these comments (linked by myself and others) of CPUs with similar (if not greater) transistor counts soldered together by hand out of TTL chips or even out of individual discrete transistors.
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