The 74HC393 is a dual 4-stage binary ripple counter. Each counter features a clock input, an overriding asynchronous master reset input and 4 buffered parallel outputs..
The 74HC393 is a widely used ic chip. Its main function is as a binary counter. A binary counter is similar to a Decade counter such as the well known 4017 Johnson counter, but the 74HC393 counter functions slightly differently
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