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74AC74PC

74AC74PC Description

The 74AC74PC is a dual D-type flip-flop IC designed for high-speed digital applications. Manufactured by Fairchild Semiconductor (now part of onsemi), this logic IC chip is part of the 74AC series, renowned for its fast switching speeds and low power consumption. The 74AC74PC features two independent D-type flip-flops, each capable of storing a single bit of data. This dual-element design allows for efficient use of board space and reduced component count in digital circuits.

The 74AC74PC operates over a wide supply voltage range of 2V to 6V, making it versatile for various power supply configurations. It has a maximum clock frequency of 160 MHz, ensuring high-speed operation suitable for demanding digital applications. The maximum propagation delay is 10ns at 5V with a maximum load capacitance of 50pF, providing reliable and fast signal processing.

Each flip-flop in the 74AC74PC is edge-triggered on the positive edge of the clock signal, ensuring precise timing control. The IC features complementary outputs, which can be useful for driving various types of loads and simplifying circuit design. The quiescent current is low at 20 µA, contributing to energy efficiency and reduced power dissipation.

The 74AC74PC is housed in a through-hole package, specifically a tube, making it suitable for applications where physical robustness and ease of installation are required. The input capacitance is 4.5 pF, and the output current capability is 24mA for both high and low states, ensuring strong drive capabilities for downstream components.

74AC74PC Features

• High-Speed Operation: With a maximum clock frequency of 160 MHz and a propagation delay of 10ns at 5V, the 74AC74PC ensures fast and reliable signal processing.
• Wide Voltage Range: Operates from 2V to 6V, providing flexibility in power supply design.
• Low Power Consumption: Quiescent current of 20 µA minimizes power usage and heat generation.
• Dual D-Type Flip-Flops: Two independent flip-flops allow for efficient use of board space and reduced component count.
• Edge-Triggered: Positive edge triggering ensures precise timing control.
• Complementary Outputs: Simplifies circuit design and can drive various types of loads.
• Strong Drive Capability: Outputs can source and sink up to 24mA, ensuring robust performance.
• Through-Hole Packaging: Tube packaging provides physical robustness and ease of installation.
• ROHS3 Compliant: Ensures environmental compliance and suitability for modern manufacturing processes.

74AC74PC Applications

The 74AC74PC is ideal for a variety of digital applications where high-speed data storage and processing are required. Its dual D-type flip-flops make it suitable for:

• Digital Clock Circuits: Provides precise timing control for clock signals.
• Data Latching: Stores and latches data bits in digital systems.
• Sequential Logic Circuits: Used in state machines and other sequential logic applications.
• Memory Elements: Acts as a basic memory element in digital circuits.
• Signal Processing: Efficiently processes digital signals in high-speed applications.

The wide operating voltage range and low power consumption make the 74AC74PC suitable for battery-powered devices and systems with varying power supply requirements. Its strong drive capability ensures compatibility with a wide range of downstream components, making it a versatile choice for various digital designs.

Conclusion of 74AC74PC

The 74AC74PC is a high-performance dual D-type flip-flop IC that offers significant advantages over similar models. Its high-speed operation, wide voltage range, and low power consumption make it suitable for a variety of demanding digital applications. The dual flip-flop design, edge-triggered operation, and complementary outputs provide precise timing control and simplified circuit design. While the 74AC74PC is now obsolete, its robust performance and versatility continue to make it a reliable choice for engineers and designers in the electronics industry.