DM74LS670N

The DM74LS670N is an IC component that belongs to the 74LS family of integrated circuits. It is a 4-bit binary counter with synchronous reset. Here are its key features: 1. Binary Counter: The DM74LS670N can count in binary format from 0000 to 1111. It has four input lines (A, B, C, and D), each representing one bit of the binary number. 2. Synchronous Reset: It includes a synchronous reset input (CLR) that allows the counter to be reset to zero when activated. The reset is synchronized with the clock signal, ensuring that the reset occurs at the appropriate time. 3. Synchronous Counting: The counting happens synchronously with the clock input (CLK) signal. On each rising edge of the clock signal, the counter increments its internal value by one. 4. Ripple Carry Output: The DM74LS670N also provides a ripple carry output (RCO) pin. This pin can be connected to the carry input (CRY) pin of another counter to cascade multiple counters and create a larger counting range. 5. Active High Inputs: The A, B, C, and D inputs are active-high, which means that a high logic level (1) is required to activate the corresponding input. The synchronous reset input (CLR) is also active-high