Encyclopedia Entry: 74ACTQ543QSC

Product Overview

Category

The 74ACTQ543QSC belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with various logic families

Package

The 74ACTQ543QSC is available in a small outline integrated circuit (SOIC) package.

Essence

This IC serves as an octal transparent latch with three-state outputs, designed to store and control data in digital systems.

Packaging/Quantity

The 74ACTQ543QSC is typically packaged in reels or tubes, with quantities varying depending on the manufacturer.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 200MHz

Detailed Pin Configuration

The 74ACTQ543QSC has a total of 20 pins, which are assigned specific functions as follows:

1. Pin 1: Output Enable (OE)
2. Pin 2: Data Input D0
3. Pin 3: Data Input D1
4. Pin 4: Data Input D2
5. Pin 5: Data Input D3
6. Pin 6: Data Input D4
7. Pin 7: Data Input D5
8. Pin 8: Data Input D6
9. Pin 9: Data Input D7
10. Pin 10: GND (Ground)
11. Pin 11: Clock Input (CLK)
12. Pin 12: Latch Enable (LE)
13. Pin 13: Output Q0
14. Pin 14: Output Q1
15. Pin 15: Output Q2
16. Pin 16: Output Q3
17. Pin 17: Output Q4
18. Pin 18: Output Q5
19. Pin 19: Output Q6
20. Pin 20: Output Q7

Functional Features

• Octal transparent latch with three-state outputs
• Data inputs are latched to the outputs when the latch enable (LE) signal is high
• Outputs can be disabled by setting the output enable (OE) signal low
• High-speed operation allows for efficient data storage and retrieval

Advantages and Disadvantages

Advantages

• High-speed operation enables quick data processing
• Low power consumption helps conserve energy
• Wide operating voltage range provides flexibility in various applications
• Compatibility with different logic families enhances versatility

Disadvantages

• Limited number of output pins may restrict certain complex applications
• Sensitivity to electrostatic discharge (ESD) requires proper handling precautions

Working Principles

The 74ACTQ543QSC operates based on the principle of transparent latching. When the latch enable (LE) signal is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7). The outputs can be enabled or disabled using the output enable (OE) signal. This IC utilizes advanced semiconductor technology to achieve high-speed operation and low power consumption.

Detailed Application Field Plans

The 74ACTQ543QSC finds extensive use in various digital systems, including but not limited to: - Microprocessors - Memory modules - Communication devices - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74ACTQ543QSC include: - 74HC543: High-speed CMOS octal latch with three-state outputs - 74LS543: Low-power Schottky TTL octal transparent latch - CD74ACT573: Octal transparent latch with tri-state outputs

These alternative models offer different specifications and characteristics, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the 74ACTQ543QSC is a high-speed octal transparent latch IC that provides efficient data storage and manipulation capabilities in digital electronic systems. Its compatibility with various logic families, low power consumption, and wide operating voltage range make it a versatile choice for numerous applications. However, its limited number of output pins and sensitivity to ESD should be considered when implementing this IC.