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MM74C73N

MM74C73N Description

The MM74C73N is a dual JK-type flip-flop integrated circuit (IC) designed for a wide range of digital logic applications. Manufactured by Fairchild Semiconductor (now part of onsemi), this IC is part of the 74C series and is housed in a through-hole package, specifically a 14-pin DIP (Dual In-line Package). The MM74C73N is characterized by its ability to operate within a broad supply voltage range of 3V to 15V, making it suitable for various power supply configurations.

Each of the two flip-flops in the MM74C73N features a single bit of storage and is triggered on the negative edge of the clock signal. This negative edge triggering ensures precise timing and synchronization in digital circuits. The IC offers complementary outputs, providing both true and inverted outputs for each flip-flop, which enhances its versatility in logic design.

MM74C73N Features

• Clock Frequency: The MM74C73N operates at a clock frequency of up to 11 MHz, ensuring high-speed performance suitable for demanding digital applications.
• Propagation Delay: With a maximum propagation delay of 110 nanoseconds at 10V and a load capacitance of 50 picofarads, the MM74C73N delivers fast signal processing capabilities.
• Low Power Consumption: The IC has a quiescent current (Iq) of only 60 microamperes, making it energy-efficient and suitable for low-power applications.
• Output Current: The MM74C73N can source and sink up to 8 milliamperes of current, providing robust output drive capabilities.
• Wide Operating Voltage Range: The ability to operate between 3V and 15V supply voltage offers flexibility in power supply design.
• Complementary Outputs: Each flip-flop provides both true and inverted outputs, enhancing the IC's functionality in various digital circuits.
• Negative Edge Triggering: Ensures precise timing and synchronization, making it ideal for applications requiring accurate clock edge detection.
• Through-Hole Mounting: The through-hole package type facilitates easy integration into printed circuit boards (PCBs) and manual soldering processes.
• ROHS3 Compliant: The MM74C73N meets the stringent environmental standards of ROHS3, ensuring compliance with global environmental regulations.

MM74C73N Applications

The MM74C73N is well-suited for a variety of applications in the electronics industry, including:

• Digital Counters: The dual JK flip-flops can be used to build binary counters, which are essential in digital systems for counting pulses or events.
• Frequency Dividers: The IC can divide input frequencies by a factor of two, making it useful in clock generation and frequency division circuits.
• Shift Registers: The flip-flops can be cascaded to create shift registers for data storage and transfer applications.
• Memory Elements: The single-bit storage capability of each flip-flop can be utilized in memory circuits, providing basic storage functions.
• Control Logic: The MM74C73N can be employed in control logic circuits to manage the flow of data and control signals in complex digital systems.

Conclusion of MM74C73N

The MM74C73N is a versatile and reliable dual JK-type flip-flop IC that offers a combination of high-speed performance, low power consumption, and robust output capabilities. Its wide operating voltage range and negative edge triggering make it suitable for a broad range of digital applications. Despite its obsolete status, the MM74C73N remains a valuable component for engineers and designers working on legacy systems or requiring specific digital logic functions. Its compliance with ROHS3 standards ensures that it meets modern environmental requirements, making it a responsible choice for sustainable electronics design.