Encyclopedia Entry: 74ACT574SCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage and Transfer
• Characteristics: High-Speed, Octal D-Type Flip-Flop with 3-State Outputs
• Package: SC70-20
• Essence: The 74ACT574SCX is a versatile integrated circuit that provides high-speed data storage and transfer capabilities. It is commonly used in digital systems where efficient data handling is required.
• Packaging/Quantity: The 74ACT574SCX is typically packaged in an SC70-20 package and is available in various quantities.

Specifications

• Logic Family: ACT
• Number of Flip-Flops: 8 (Octal)
• Output Type: 3-State
• Operating Voltage Range: 2.0V to 6.0V
• Propagation Delay: 5.5ns (Max) at 5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74ACT574SCX has a total of 20 pins, which are assigned specific functions as follows:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. OE (Output Enable)
11. CP (Clock Pulse)
12. MR (Master Reset)
13. Q0 (Flip-Flop Output 0)
14. Q1 (Flip-Flop Output 1)
15. Q2 (Flip-Flop Output 2)
16. Q3 (Flip-Flop Output 3)
17. Q4 (Flip-Flop Output 4)
18. Q5 (Flip-Flop Output 5)
19. Q6 (Flip-Flop Output 6)
20. VCC (Power Supply)

Functional Features

• The 74ACT574SCX is equipped with eight D-type flip-flops that can store and transfer data.
• It supports 3-state outputs, allowing multiple devices to share a common bus without interference.
• The integrated circuit operates at high speed, making it suitable for applications requiring rapid data handling.
• It has an output enable pin (OE) that controls the activation of the flip-flop outputs.
• The master reset pin (MR) allows for resetting all flip-flops simultaneously.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data handling. - 3-state outputs facilitate bus sharing among multiple devices. - Octal configuration provides ample storage capacity. - Compact SC70-20 package saves board space.

Disadvantages: - Limited operating voltage range (2.0V to 6.0V). - Propagation delay may affect timing-sensitive applications. - Lack of built-in protection features against electrical faults.

Working Principles

The 74ACT574SCX operates based on the principles of digital logic circuits. It utilizes D-type flip-flops to store and transfer data. The clock pulse (CP) triggers the flip-flops to capture the input data and update the outputs accordingly. The output enable (OE) pin controls whether the flip-flop outputs are active or in a high-impedance state. The master reset (MR) pin resets all flip-flops simultaneously, clearing their stored data.

Application Field Plans

The 74ACT574SCX finds applications in various digital systems where efficient data storage and transfer are crucial. Some potential application fields include: - Microprocessors and microcontrollers - Communication systems - Data acquisition systems - Industrial automation - Embedded systems

Alternative Models

• 74HC574: High-Speed CMOS Octal D-Type Flip-Flop with 3-State Outputs
• 74LS574: Low-Power Schottky Octal D-Type Flip-Flop with 3-State Outputs
• 74F574: Fast CMOS Octal D-Type Flip-Flop with 3-State Outputs

These alternative models offer similar functionality to the 74ACT574SCX and can be considered as substitutes depending on specific requirements.

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