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: Each half of the chip takes two sets of 2-input AND gates, feeds them into an OR gate, and then inverts the final result (

: The AND-OR structure acts as a simple multiplexer, allowing you to "buffer" one of two signals based on a control line. : Each half of the chip takes two

: One of the two gates in the 7450 package typically features an expander node (pins for "X" and " X̄cap X bar feeds them into an OR gate