Encyclopedia Entry: 74ACT374SCX

Product Overview

Category

The 74ACT374SCX belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronics for storing and transferring binary data. It serves as a D-type transparent latch with 3-state outputs.

Characteristics

• High-speed operation: The 74ACT374SCX offers fast switching times, making it suitable for applications requiring quick data transfer.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 6V.
• Compatibility: The 74ACT374SCX is compatible with both TTL and CMOS logic families.

Package and Quantity

The 74ACT374SCX is available in a small outline integrated circuit (SOIC) package. It consists of 20 pins and is surface mountable. It is commonly sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Maximum Propagation Delay: 7 ns

Pin Configuration

The 74ACT374SCX has a total of 20 pins, each serving a specific function. Here is a detailed pin configuration:

1. GND: Ground reference for the IC.
2. D0-D7: Data inputs for the flip-flop.
3. CP: Clock input for controlling the latch operation.
4. OE: Output enable input for enabling/disabling the output.
5. Q0-Q7: Outputs for the stored data.
6. VCC: Positive power supply voltage.

Functional Features

The 74ACT374SCX offers the following functional features:

• Transparent Latch: The IC allows data to pass through when the latch is transparent, controlled by the clock input.
• 3-State Outputs: The outputs can be disabled using the output enable (OE) input, allowing multiple devices to share a common bus.
• Edge-Triggered Operation: The flip-flop captures the input data on the rising edge of the clock signal.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• Low power consumption makes it suitable for portable and battery-powered devices.
• Wide operating voltage range provides flexibility in various applications.
• Compatibility with TTL and CMOS logic families simplifies integration into existing systems.

Disadvantages

• Limited number of outputs (8 in total).
• Not suitable for applications requiring higher clock frequencies beyond 100 MHz.

Working Principles

The 74ACT374SCX operates based on the principles of digital logic. When the clock input (CP) receives a rising edge, the flip-flop captures the data present at the D0-D7 inputs. This data is then stored and transferred to the corresponding Q0-Q7 outputs. The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

Application Field Plans

The 74ACT374SCX finds application in various fields, including:

1. Microcontrollers: Used for interfacing with external memory or peripherals.
2. Data Communication: Facilitates data buffering and synchronization in communication systems.
3. Industrial Automation: Enables control and monitoring of digital signals in automated systems.
4. Automotive Electronics: Utilized in vehicle control units for data storage and transfer.

Alternative Models

There are several alternative models available that offer similar functionality to the 74ACT374SCX. Some notable alternatives include:

1. 74HC374: A CMOS-based flip-flop with comparable characteristics and pin configuration.
2. CD4013: A dual D-type flip-flop IC with additional features such as set and reset inputs.
3. SN74LS374: A TTL-based latch with 3-state outputs, suitable for lower voltage applications.

These alternative models can be considered based on specific requirements and compatibility with existing systems.

In conclusion, the 74ACT374SCX is a versatile integrated circuit used for storing and transferring binary data. Its high-speed operation, low power consumption, and wide voltage range make it suitable for various digital electronics applications.