The MM74HC393J is an integrated circuit (IC) component that belongs to the 74HC family. It is a dual 4-stage binary ripple counter with separate clock and reset inputs. This IC is widely used in electronic circuits for applications that involve counting or frequency division.
The key features of the MM74HC393J include:
1. Dual 4-Stage Counter: This IC comprises two separate 4-stage binary ripple counters, which can be used either independently or in a combined manner to form an 8-stage counter.
2. High-Speed Operation: The MM74HC393J operates at high-speed, making it suitable for applications that require quick counting capabilities.
3. Clock and Reset Inputs: Each counter within the IC has a dedicated clock input (CP0, CP1) and a reset input (MR0, MR1). The clock input allows the counter to increment on each rising edge, while the reset input sets the counter to its initial state.
4. Asynchronous Reset: The reset inputs of the MM74HC393J are asynchronous, which means that regardless of the clock input state, applying a low logic level to the reset input will immediately reset the counter.
5. Cascadable: The IC can be cascaded with additional counters to form a larger counter with more stages. By connecting the Carry Output (CO) of one counter to the Clock Input (CP0/CP1) of the next counter, the stages can be increased
