Encyclopedia Entry: 74ACT573MTR

Product Overview

Category

The 74ACT573MTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for data storage and transfer purposes.

Characteristics

• The 74ACT573MTR is a latch-type transparent D flip-flop with 3-state outputs.
• It operates on a wide voltage range, typically between 2.0V and 6.0V.
• This IC offers high-speed performance and low power consumption.
• It is designed to be compatible with TTL (Transistor-Transistor Logic) inputs and outputs.

Package and Quantity

The 74ACT573MTR is available in a small-outline transistor (SOT) package. It is supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• High-Level Input Voltage: 2.0V (minimum), 6.0V (maximum)
• Low-Level Input Voltage: 0.8V (minimum), 2.4V (maximum)
• High-Level Output Voltage: 2.5V (minimum), VCC (maximum)
• Low-Level Output Voltage: 0.0V (minimum), 0.4V (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74ACT573MTR has a total of 20 pins, which are assigned 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. LE (Latch Enable)
12. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Supply Voltage)

Functional Features

The 74ACT573MTR offers the following functional features:

• Transparent latch operation: The data inputs (D0-D7) are transferred to the outputs (Q0-Q7) when the latch enable (LE) signal is high.
• Output enable control: The output enable (OE) signal allows the outputs to be in a high-impedance state when it is low, preventing any data transfer.
• 3-state outputs: The outputs can be actively driven high or low, or placed in a high-impedance state.

Advantages and Disadvantages

Advantages

• High-speed performance suitable for demanding digital applications.
• Low power consumption, making it energy-efficient.
• Wide voltage range compatibility enhances versatility.
• 3-state outputs provide flexibility in system design.

Disadvantages

• Limited number of outputs (8 in total).
• Requires external control signals for proper operation.

Working Principles

The 74ACT573MTR operates based on the principles of latch-based storage and transfer of digital data. When the latch enable (LE) signal is high, the data inputs (D0-D7) are latched and transferred to the corresponding outputs (Q0-Q7). The output enable (OE) signal controls whether the outputs are actively driven or in a high-impedance state.

Application Field Plans

The 74ACT573MTR finds applications in various digital electronic systems, including but not limited to:

1. Microprocessors and microcontrollers
2. Data storage devices
3. Communication systems
4. Industrial automation equipment
5. Automotive electronics
6. Consumer electronics

Alternative Models

Here are some alternative models that can be considered as substitutes for the 74ACT573MTR:

1. 74HC573: This IC offers similar functionality but operates at a lower voltage range.
2. 74LS573: A TTL-compatible alternative with slightly slower performance.
3. 74F573: Provides faster speed but consumes more power compared to the 74ACT573MTR.

These alternatives may vary in terms of voltage compatibility, speed, and power consumption, so careful consideration should be given to the specific requirements of the application.

In conclusion, the 74ACT573MTR is a versatile latch-type transparent D flip-flop IC that offers high-speed performance, low power consumption, and compatibility with TTL inputs and outputs. Its applications span across