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_q12x_

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To construct an 8 bit counter to connect to A11 (msb) through to A3(lsb) on the 2732 cascade two 7493s together so that Qd of the first ic connects to clkAbar of the second. Remember to connect Qa to clkB bar on each chip.

Use the pulse circuit in # to produce a negative going pulse upon depression of the push button and connect it to clkAbar of the first ic.
 

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