Encyclopedia Entry: 74ACT11074D

Product Overview

Category

The 74ACT11074D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as data storage, signal processing, and control systems.

Characteristics

• The 74ACT11074D is a dual positive-edge-triggered D-type flip-flop.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers high-speed performance with a propagation delay of only a few nanoseconds.
• It has a compact package size, making it suitable for space-constrained designs.

Package and Quantity

The 74ACT11074D is available in a standard 14-pin dual in-line package (DIP). It is commonly sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• Maximum Operating Frequency: 100 MHz
• Output Drive Capability: 24 mA

Pin Configuration

The pin configuration of the 74ACT11074D is as follows:

+---+--+---+ Q1 --|1 +--+ 14|-- VCC D1 --|2 13|-- Q2 CLK --|3 12|-- D2 CLR --|4 11|-- PR PRE --|5 10|-- CLR Q1 --|6 9|-- CLK D1 --|7 8|-- GND +----------+

Functional Features

• Positive-edge-triggered operation: The flip-flop captures the input data at the rising edge of the clock signal.
• Dual flip-flop: The IC contains two independent D-type flip-flops, allowing for simultaneous operation or separate usage.
• Clear and preset inputs: The CLR and PR pins provide control over the output state, allowing for easy initialization.

Advantages

• High-speed performance enables efficient data processing in time-critical applications.
• Wide voltage range compatibility allows for versatile integration with various digital systems.
• Compact package size facilitates space-saving designs.

Disadvantages

• Limited output drive capability may restrict its use in high-current applications.
• Requires careful consideration of power supply voltage to ensure proper functionality.

Working Principles

The 74ACT11074D operates based on positive-edge-triggered D-type flip-flop logic. When the clock signal rises from low to high, the input data (D) is captured and stored in the flip-flop. The stored data is then available at the corresponding output (Q). The clear (CLR) and preset (PR) inputs allow for additional control over the output state.

Application Field Plans

The 74ACT11074D finds extensive application in various digital systems, including: 1. Data storage systems: Used to store and retrieve digital information efficiently. 2. Signal processing circuits: Enables manipulation and analysis of digital signals. 3. Control systems: Facilitates precise timing and synchronization in control applications.

Alternative Models

Several alternative models can be considered as substitutes for the 74ACT11074D, including: - 74HC74: A similar dual D-type flip-flop with a wider supply voltage range. - CD4013: Dual D-type flip-flop with complementary outputs and higher output drive capability. - SN74LS74: Dual D-type flip-flop with Schottky diode clamping for improved noise immunity.

In conclusion, the 74ACT11074D is a versatile integrated circuit commonly used in digital electronics. Its high-speed performance, wide voltage range compatibility, and compact package make it suitable for various applications. However, its limited output drive capability and sensitivity to power supply voltage should be considered during design.