Encyclopedia Entry: 74ACQ533SC

Product Overview

Category

The 74ACQ533SC belongs to the category of integrated circuits (ICs), specifically digital logic ICs.

Use

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

Characteristics

• Octal transparent latch
• 3-state outputs
• High-speed operation
• Low power consumption
• Wide operating voltage range

Package

The 74ACQ533SC is available in a standard 20-pin small outline integrated circuit (SOIC) package.

Essence

The essence of the 74ACQ533SC lies in its ability to store and control data, providing a reliable and efficient solution for digital systems.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Propagation Delay: 5 ns (typical)

Detailed Pin Configuration

The 74ACQ533SC has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

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. LE (Latch Enable)
11. OE (Output 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 main functional features of the 74ACQ533SC include:

• Transparent latch operation
• 3-state outputs for bus-oriented applications
• Latch enable and output enable control signals
• High-speed data transfer capability
• Low power consumption
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range enhances compatibility with different systems.
• 3-state outputs facilitate bus-oriented applications.

Disadvantages

• Limited number of inputs and outputs restricts scalability.
• Propagation delay may affect real-time applications with strict timing requirements.

Working Principles

The 74ACQ533SC operates based on the principles of digital logic. It utilizes transparent latches to store and control data. When the latch enable (LE) signal is active, the input data is transferred to the outputs. The output enable (OE) signal controls whether the outputs are in a high-impedance state or actively driving the connected circuitry.

Detailed Application Field Plans

The 74ACQ533SC finds application in various fields where data storage and manipulation are required. Some specific application areas include:

1. Microprocessor-based systems
2. Data communication equipment
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ACQ533SC. Some notable alternatives include:

1. 74HC533: High-speed CMOS octal transparent latch
2. CD74ACT533: Octal transparent latch with 3-state outputs
3. SN74LVC533A: Low-voltage CMOS octal transparent latch

These alternative models provide options for different voltage ranges, power consumption levels, and package types, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the 74ACQ533SC is a versatile integrated circuit used for data storage and manipulation in various electronic devices. Its high-speed operation, low power consumption, and wide operating voltage range make it a reliable choice for digital systems. However, designers should consider its limitations in terms of scalability and propagation delay when selecting this IC for their applications.