Encyclopedia Entry: 74ACQ244SC

Product Overview

Category

The 74ACQ244SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of buffer/line drivers.

Use

This IC is primarily used for signal buffering and line driving purposes in electronic circuits. It helps in maintaining signal integrity and ensuring proper voltage levels during data transmission.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with various logic families
• Output current capability
• ESD protection

Package

The 74ACQ244SC is available in a standard 20-pin small outline integrated circuit (SOIC) package. This package offers ease of handling, compactness, and compatibility with modern PCB designs.

Essence

The essence of the 74ACQ244SC lies in its ability to provide reliable signal buffering and line driving capabilities, making it an essential component in many electronic systems.

Packaging/Quantity

The IC is typically supplied in reels or tubes, with each reel or tube containing a specific quantity of 74ACQ244SC ICs. The exact packaging and quantity may vary depending on the manufacturer and supplier.

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 Output Current: 24mA
• Propagation Delay Time: 5ns (typical)

Detailed Pin Configuration

The 74ACQ244SC has a total of 20 pins, which are assigned specific functions as follows:

1. Pin 1: Output Enable (OE)
2. Pin 2: Input/Output (IO1)
3. Pin 3: Input/Output (IO2)
4. Pin 4: Input/Output (IO3)
5. Pin 5: Input/Output (IO4)
6. Pin 6: Input/Output (IO5)
7. Pin 7: Ground (GND)
8. Pin 8: Input/Output (IO6)
9. Pin 9: Input/Output (IO7)
10. Pin 10: Input/Output (IO8)
11. Pin 11: Input/Output (IO9)
12. Pin 12: Input/Output (IO10)
13. Pin 13: Input/Output (IO11)
14. Pin 14: Input/Output (IO12)
15. Pin 15: Input/Output (IO13)
16. Pin 16: VCC
17. Pin 17: Input/Output (IO14)
18. Pin 18: Input/Output (IO15)
19. Pin 19: Input/Output (IO16)
20. Pin 20: Output Enable (OE)

Functional Features

• High-speed signal buffering and line driving capabilities
• Bi-directional data transmission
• Output enable control for flexible operation
• Wide operating voltage range allows compatibility with various systems
• ESD protection ensures reliability in harsh environments

Advantages and Disadvantages

Advantages

• Fast signal propagation and response times
• Low power consumption
• Compatibility with multiple logic families
• Robust ESD protection

Disadvantages

• Limited output current capability
• Requires careful handling to avoid damage due to static electricity

Working Principles

The 74ACQ244SC operates based on the principles of CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes a combination of NMOS and PMOS transistors to achieve high-speed signal buffering and line driving functionality. The input signals are amplified and properly level-shifted to ensure reliable data transmission.

Detailed Application Field Plans

The 74ACQ244SC finds applications in various electronic systems, including but not limited to: - Microcontrollers - Data communication interfaces - Memory modules - Industrial automation systems - Consumer electronics

Its ability to buffer and drive signals makes it suitable for use in scenarios where signal integrity and voltage levels need to be maintained during data transmission.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACQ244SC include: - 74HC244: High-speed CMOS octal buffer/line driver - SN74LS244: Octal buffer/line driver with 3-state outputs - CD74ACT244: Octal buffer/line driver with 3-state outputs

These alternatives may have slight variations in specifications and pin configurations but serve the same purpose of signal buffering and line driving.

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