Encyclopedia Entry: 74VHCT573ASJ

Product Overview

Category

The 74VHCT573ASJ belongs to the category of integrated circuits (ICs) and specifically falls under the family of VHCT series ICs.

Use

This IC is commonly used in digital electronic systems for data storage and transfer. It serves as an octal transparent latch with 3-state outputs.

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with TTL inputs
• 3-state outputs for bus-oriented applications

Package

The 74VHCT573ASJ is available in a small outline integrated circuit (SOIC) package. This package type provides ease of handling and efficient use of board space.

Essence

The essence of the 74VHCT573ASJ lies in its ability to store and transfer data efficiently within digital systems, enabling seamless communication between different components.

Packaging/Quantity

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

Specifications

• Supply Voltage: 2.0V - 5.5V
• Input Voltage: 0V - VCC
• Output Voltage: 0V - VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 80MHz

Detailed Pin Configuration

The 74VHCT573ASJ has a total of 20 pins, each serving a specific function. The pin configuration 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. 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 key functional features of the 74VHCT573ASJ include:

• Octal transparent latch with 3-state outputs
• High-speed operation, suitable for time-critical applications
• Compatibility with TTL inputs, allowing seamless integration with existing systems
• Output enable and latch enable control signals for flexible data transfer

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer
• Low power consumption contributes to energy efficiency
• Compatibility with TTL inputs simplifies system integration
• 3-state outputs facilitate bus-oriented applications

Disadvantages

• Limited voltage range (2.0V - 5.5V) may restrict certain applications
• Not suitable for high-frequency applications exceeding 80MHz

Working Principles

The 74VHCT573ASJ operates based on the principle of transparent latching. When the latch enable (LE) signal is active, the input data is transferred to the outputs. The output enable (OE) signal controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The 74VHCT573ASJ finds extensive use in various digital electronic systems, including but not limited to:

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

Detailed and Complete Alternative Models

1. 74HC573: Similar octal transparent latch with 3-state outputs, compatible with CMOS inputs.
2. SN74LS373: Octal latch with 3-state outputs, compatible with TTL inputs.

These alternative models offer similar functionality to the 74VHCT573ASJ and can be considered as substitutes depending on specific requirements.

In conclusion, the 74VHCT573ASJ is a versatile integrated circuit that enables efficient data storage and transfer within digital electronic systems. Its high-speed operation, low power consumption, and compatibility with TTL inputs make it a valuable component in various applications.