Encyclopedia Entry: 74ABT74D,118

Product Overview

Category

The 74ABT74D,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is commonly used in digital electronics for storing and manipulating binary data. It serves as a fundamental building block in various applications such as counters, registers, and memory units.

Characteristics

• High-speed operation: The 74ABT74D,118 offers fast switching times, making it suitable for high-frequency applications.
• Low power consumption: This IC is designed to minimize power consumption, ensuring energy efficiency.
• Wide operating voltage range: It can operate within a broad voltage range, typically between 2V and 5.5V.
• Compatibility: The 74ABT74D,118 is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic families.
• Robustness: It exhibits excellent noise immunity and can withstand voltage spikes and fluctuations.

Package and Quantity

The 74ABT74D,118 is available in a small-outline integrated circuit (SOIC) package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL and CMOS
• Flip-Flop Type: D-Type
• Number of Flip-Flops: 2
• Logic Family: ABT

Detailed Pin Configuration

The 74ABT74D,118 features a 14-pin SOIC package with the following pin configuration:

Pin 1: GND Pin 2: Q1 Pin 3: D1 Pin 4: CLK1 Pin 5: PRESET1 Pin 6: CLEAR1 Pin 7: VCC Pin 8: D2 Pin 9: Q2 Pin 10: CLK2 Pin 11: PRESET2 Pin 12: CLEAR2 Pin 13: GND Pin 14: NC (No Connection)

Functional Features

The 74ABT74D,118 is equipped with two independent D-type flip-flops. Each flip-flop has a data input (D), clock input (CLK), preset input (PRESET), and clear input (CLEAR). The flip-flops store the incoming data based on the clock signal and can be asynchronously reset or set using the preset and clear inputs.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range allows for versatile applications.
• Compatibility with TTL and CMOS logic families simplifies integration into existing systems.
• Robustness ensures reliable performance in noisy environments.

Disadvantages

• Limited number of flip-flops per IC may restrict certain complex applications.
• Lack of specific features, such as edge-triggered functionality, may require additional components for specific use cases.

Working Principles

The 74ABT74D,118 operates based on the principles of sequential logic. The flip-flops within the IC store binary data based on the clock signal. When the clock transitions from low to high (or high to low, depending on the configuration), the data at the input (D) is transferred to the output (Q). The preset and clear inputs allow for asynchronous control over the stored data.

Detailed Application Field Plans

The 74ABT74D,118 finds extensive application in various digital systems, including: - Counters: It can be used to build synchronous or asynchronous counters for counting events or generating specific sequences. - Registers: The IC is suitable for constructing shift registers, which are essential in data storage and transfer operations. - Memory Units: It can be employed in memory units to store temporary or permanent data.

Detailed Alternative Models

Several alternative models with similar functionality to the 74ABT74D,118 include: - SN74LS74A - CD4013BE - MC74HC74AN

These alternatives offer comparable features and can be substituted based on specific requirements.

In conclusion, the 74ABT74D,118 is a versatile flip-flop IC that provides high-speed operation, low power consumption, and compatibility with TTL and CMOS logic families. Its applications range from counters and registers to memory units, making it an essential component in digital electronics.

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