Encyclopedia Entry: 74ACT374TTR

Product Overview

Category

The 74ACT374TTR 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 data. It serves as an octal D-type flip-flop with a transparent latch, making it suitable for various applications requiring sequential logic operations.

Characteristics

• Octal D-type flip-flop with transparent latch
• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatible with TTL input/output levels
• Schmitt-trigger action on all inputs

Package

The 74ACT374TTR is available in a small-outline transistor (SOT) package. This package offers compactness and ease of integration into electronic circuits.

Essence

The essence of the 74ACT374TTR lies in its ability to store and transfer data efficiently, enabling sequential logic operations in digital systems.

Packaging/Quantity

The 74ACT374TTR is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V (min), 3.85V (max)
• Low-Level Input Voltage: 0.8V (min), 1.65V (max)
• High-Level Output Voltage: 2.4V (min), VCC (max)
• Low-Level Output Voltage: GND (min), 0.4V (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT374TTR consists of 20 pins, each serving a specific function. The pin configuration is as follows:

1. Pin 1: Data Input (D0)
2. Pin 2: Data Input (D1)
3. Pin 3: Data Input (D2)
4. Pin 4: Data Input (D3)
5. Pin 5: Data Input (D4)
6. Pin 6: Data Input (D5)
7. Pin 7: Data Input (D6)
8. Pin 8: Data Input (D7)
9. Pin 9: Clock Input (CLK)
10. Pin 10: Output Enable (OE)
11. Pin 11: Latch Enable (LE)
12. Pin 12: Output (Q0)
13. Pin 13: Output (Q1)
14. Pin 14: Output (Q2)
15. Pin 15: Output (Q3)
16. Pin 16: Output (Q4)
17. Pin 17: Output (Q5)
18. Pin 18: Output (Q6)
19. Pin 19: Output (Q7)
20. Pin 20: Ground (GND)

Functional Features

The 74ACT374TTR offers the following functional features:

• Transparent latch for data input
• Clock input for synchronization
• Output enable and latch enable control signals
• Eight output pins for data storage and transfer

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Low power consumption contributes to energy efficiency in electronic systems.
• Wide operating voltage range enhances compatibility with various power supply configurations.
• Compatibility with TTL input/output levels simplifies integration into existing digital circuits.
• Schmitt-trigger action on all inputs ensures reliable signal processing.

Disadvantages

• Limited number of output pins restricts the simultaneous storage and transfer of data.
• May require additional external components for certain applications, such as pull-up resistors.

Working Principles

The 74ACT374TTR operates based on the principles of sequential logic. It utilizes flip-flops to store and transfer data. The transparent latch allows the input data to be directly transferred to the output when the latch enable signal is active. The clock input synchronizes the transfer of data, ensuring accurate timing.

Detailed Application Field Plans

The 74ACT374TTR finds application in various fields, including:

1. Microprocessor systems
2. Data storage devices
3. Communication equipment
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ACT374TTR. Some notable alternatives include:

1. 74HC374: High-speed CMOS octal D-type flip-flop with transparent latch.
2. CD4013: Dual D-type flip-flop with set and reset.
3. SN74LS374: Octal D-type flip-flop with 3-state outputs.

These alternative models provide options for different