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BUY MM74C93N https://www.utsource.net/itm/p/438954.html
4-Bit Decade Counter 4-Bit Binary Counter
The MM74C93N is a 4-bit binary counter with a synchronous reset. It is a 14-pin DIP (dual in-line package) manufactured by National Semiconductor. Description: The MM74C93N is a 4-bit binary counter with synchronous reset. It has four flip-flops, each with a single data input (D) and a single clock input (CP). The counter can be reset to all zeros by a low level on the reset input (R). The counter advances one count on the positive transition of the clock input. Features: 4-bit binary counter Synchronous reset Clock input (CP) Reset input (R) Single data input (D) 14-pin DIP package Applications: Frequency division Timing Pulse generation Sequential control (For reference only)