Youtor
Carry Look Ahead Adder CLA Explained
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http://youtube.com/watch?v=SQKdnxysXnw
In this video, the Carry Look Ahead Adder (Look Ahead Carry Adder) is explained in detail and the design of the 16-bit adder using 4-bit Carry Look ahead (CLA) blocks is also explained at the later part of the video. • Timestamps: • 0:00 Limitation of Ripple Carry Adder • 2:00 Carry Generation and Carry Propagation logic in CLA • 4:40 Carry Look Ahead logic for 4-bit Adder • 10:28 Delay Comparison between Ripple Carry Adder and Carry Look Ahead Adder • 13:30 Limitations of Carry Look Ahead Adder • 14:52 16-bit Adder using 4-bit CLA blocks • Digital Electronics (Playlist): • • Digital Electronics • Carry Look Ahead Adder: • In Carry Look Ahead Adder, using the Carry Look Ahead logic (the additional combinational circuit), the carry bit of each adder is generated at the same time. • In this Look Ahead Carry Adder, each stage of the adder receives the carry bit at the same time. And hence, the speed of the addition is much faster than Ripple Carry Adder. • As the number of bits in the adder circuit increases, the improvement in the speed is more prominent. • Limitation of Carry Look Ahead Adder: • As the number of bits in the adder increases, the cost and the complexity of the design increase. • This video will be helpful to all the students of science and engineering in understanding the Carry Look Ahead Adder (CLA). • #ALLABOUTELECTRONICS • #CarryLookAheadAdder • #LookAheadCarryAdder • #DigitalElectronics • Support the channel through a membership program: • / @allaboutelectronics • -------------------------------------------------------------------------------------------------- • Follow my second channel: • / @allaboutelectronics-quiz • Follow me on Facebook: • / allaboutelecronics • Follow me on Instagram: • / all_about.electronics • -------------------------------------------------------------------------------------------------- • Music Credit: http://www.bensound.com
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