MC74AC4040DG

The MC74AC4040DG is a 12-stage Binary Ripple Counter consists of 12 flip-flops. The output of each flip-flop feeds the next and the frequency at each output is half that of the preceding one. The state of the counter advances on the negative-going edge of the Clock input. Reset is asynchronous and active-high. State changes of the Q outputs do not occur simultaneously because of internal ripple delays. Therefore, decoded output signals are subject to decoding spikes and may have to be gated with the Clock of the MC74AC4040 for some designs.

• 24mA outputs source/sink
• High noise immunity

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