Encyclopedia Entry: 74ABT574CMSA

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-speed, Octal D-type Flip-Flop with 3-State Outputs
• Package: Surface Mount (SMD)
• Essence: The 74ABT574CMSA is a versatile IC that can store and manipulate digital information. It is commonly used in various electronic systems for data storage and signal processing.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

The 74ABT574CMSA has the following specifications:

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL-Compatible
• Number of Flip-Flops: 8 (Octal)
• Output Type: 3-State
• Propagation Delay: 2.5 ns (Max)
• Output Current: ±24 mA (Max)

Detailed Pin Configuration

The pin configuration of the 74ABT574CMSA is 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. CP (Clock Pulse Input)
11. OE (Output Enable Input)
12. Q0 (Flip-Flop Output 0)
13. Q1 (Flip-Flop Output 1)
14. Q2 (Flip-Flop Output 2)
15. Q3 (Flip-Flop Output 3)
16. Q4 (Flip-Flop Output 4)
17. Q5 (Flip-Flop Output 5)
18. Q6 (Flip-Flop Output 6)
19. Q7 (Flip-Flop Output 7)
20. VCC (Supply Voltage)

Functional Features

The 74ABT574CMSA offers the following functional features:

• Octal Flip-Flops: It consists of eight individual D-type flip-flops, allowing simultaneous storage and retrieval of digital data.
• 3-State Outputs: The outputs can be put into a high-impedance state, enabling multiple devices to share a common bus without interference.
• TTL-Compatible: The IC is compatible with TTL logic levels, making it suitable for integration with existing TTL-based systems.
• High-Speed Operation: With a maximum propagation delay of 2.5 ns, it enables rapid data processing in time-critical applications.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - 3-state outputs enable bus sharing and reduce signal interference. - Compatibility with TTL logic levels simplifies integration with existing systems.

Disadvantages: - Limited voltage supply range (4.5V to 5.5V). - May not be suitable for applications requiring higher output currents.

Working Principles

The 74ABT574CMSA operates based on the principles of sequential logic. It utilizes D-type flip-flops to store and transfer digital information. The clock pulse input (CP) triggers the flip-flops to latch the data inputs (D0-D7) at the rising edge of the clock signal. The stored data can then be accessed from the corresponding flip-flop outputs (Q0-Q7). The output enable input (OE) controls the 3-state outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The 74ABT574CMSA finds applications in various fields, including:

1. Microprocessor Systems: It can be used for address and data bus interfacing between microprocessors and memory devices.
2. Digital Communication Systems: The IC facilitates data buffering and synchronization in communication systems.
3. Industrial Control Systems: It is suitable for controlling and monitoring digital signals in industrial automation and control systems.
4. Test and Measurement Equipment: The IC aids in signal processing and data storage in test and measurement instruments.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ABT574CMSA are:

1. SN74LS374: Octal D-type Flip-Flop with 3-State Outputs
2. CD4013B: Dual D-type Flip-Flop with Set and Reset
3. MC74HC574A: Octal D-type Flip-Flop with 3-State Outputs

These alternatives can be considered based on specific requirements and compatibility