onsemi

MC74HCT74ADG

MC74HCT74ADG Description

The MC74HCT74ADG is a dual D-type flip-flop IC designed for high-performance digital applications. Manufactured by onsemi, this device is part of the 74HCT series and is housed in a surface-mount 14SOIC package. It features two independent D-type flip-flops, each capable of storing a single bit of data. The MC74HCT74ADG operates within a supply voltage range of 4.5V to 5.5V and is optimized for clock frequencies up to 30 MHz. This IC is designed to provide complementary outputs and is triggered on the positive edge of the clock signal. It also includes set (preset) and reset functions, which allow for additional control over the flip-flop's state.

MC74HCT74ADG Features

• High Clock Frequency: The MC74HCT74ADG supports clock frequencies up to 30 MHz, making it suitable for high-speed digital applications.
• Low Power Consumption: With a quiescent current of only 2 µA, this IC is highly energy-efficient, making it ideal for battery-powered and low-power applications.
• Complementary Outputs: The device provides complementary outputs, which can be useful for driving differential signals or reducing the need for additional inverters.
• Positive Edge Triggering: The flip-flops are triggered on the positive edge of the clock signal, ensuring reliable and predictable data latching.
• Set and Reset Functions: The inclusion of set (preset) and reset functions allows for additional control over the flip-flop's state, enhancing its versatility.
• Wide Supply Voltage Range: The IC operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply design.
• Low Input Capacitance: With an input capacitance of 10 pF, the MC74HCT74ADG minimizes loading effects on the driving circuitry.
• High Output Current Capability: The device can source and sink up to 4 mA, making it capable of driving moderate loads directly.
• Moisture Sensitivity Level 1: The MC74HCT74ADG is classified as MSL 1, indicating it is not sensitive to moisture and can be stored without special handling.
• Compliance: The IC is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

MC74HCT74ADG Applications

The MC74HCT74ADG is well-suited for a variety of digital applications where reliable data storage and control are required. Some specific use cases include:

• Digital Counters: The dual D-type flip-flops can be cascaded to create binary counters for timing and sequencing applications.
• Data Latching: The positive edge triggering and complementary outputs make this IC ideal for latching data in synchronous digital systems.
• Frequency Division: The flip-flops can be used to divide clock frequencies, providing lower-frequency clock signals for various digital circuits.
• State Machines: The set and reset functions allow for the implementation of simple state machines in digital control systems.
• Communication Interfaces: The device can be used in UARTs, SPI, and I2C interfaces for data buffering and synchronization.
• Memory Circuits: The flip-flops can serve as basic memory elements in simple digital memory circuits.

Conclusion of MC74HCT74ADG

The MC74HCT74ADG is a versatile and high-performance dual D-type flip-flop IC that offers several advantages over similar models. Its high clock frequency, low power consumption, and complementary outputs make it suitable for a wide range of digital applications. The inclusion of set and reset functions, along with its wide supply voltage range and low input capacitance, further enhance its flexibility and reliability. With its compliance to environmental and safety standards, the MC74HCT74ADG is an excellent choice for engineers designing high-speed, low-power digital circuits.