Encyclopedia Entry: 74VHC573MX

Product Overview

Category

The 74VHC573MX belongs to the category of integrated circuits (ICs) and specifically falls under the family of VHC logic devices.

Use

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

Characteristics

• High-speed operation: The 74VHC573MX offers fast switching times, making it suitable for high-frequency applications.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a voltage range of 2.0V to 5.5V, providing flexibility in various electronic systems.
• 3-state outputs: The 74VHC573MX features 3-state outputs, allowing multiple devices to share a common bus.

Package and Quantity

The 74VHC573MX is available in a small outline integrated circuit (SOIC) package. It typically comes in a quantity of 25 units per reel.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 200MHz
• Number of Latches: 8

Pin Configuration

The 74VHC573MX 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. 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 74VHC573MX operates as an octal transparent latch with 3-state outputs. It allows data to be stored and transferred between different parts of a digital system. The latch is transparent when the latch enable (LE) input is high, allowing the data inputs (D0-D7) to pass through to the outputs (Q0-Q7). When the LE input is low, the latch holds the last data value received.

The output enable (OE) input controls the 3-state outputs. When OE is high, the outputs are in the high-impedance state, allowing other devices to drive the shared bus. When OE is low, the outputs reflect the data stored in the latch.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range provides flexibility in various systems.
• 3-state outputs allow multiple devices to share a common bus.

Disadvantages

• Limited number of latches (8) may not be sufficient for complex applications requiring more storage.

Working Principles

The 74VHC573MX operates based on the principles of digital logic. When the latch enable (LE) input is high, the latch is transparent, allowing data inputs to pass through to the outputs. When LE is low, the latch holds the last received data value. The output enable (OE) input controls the 3-state outputs, enabling other devices to drive the shared bus when in the high-impedance state.

Application Field Plans

The 74VHC573MX finds applications in various digital electronic systems, including but not limited to: - Microprocessors and microcontrollers - Data storage systems - Communication equipment - Industrial automation systems - Automotive electronics

Alternative Models

Several alternative models with similar functionality to the 74VHC573MX are available in the market. Some notable alternatives include: - SN74LV573A: Low-voltage octal transparent latch with 3-state outputs. - CD74HCT573: High-speed CMOS logic octal transparent latch. - MC74VHC573: Octal D-type flip-flop with 3-state outputs.

These alternative models can be considered based on specific requirements and compatibility with the existing system.

In conclusion, the 74VHC573MX is a versatile integrated