Encyclopedia Entry: 74ABT2244CSCX

Product Overview

Category

The 74ABT2244CSCX belongs to the category of integrated circuits (ICs) and specifically falls under the family of ABT series ICs.

Use

This IC is commonly used in digital electronic systems for signal amplification, buffering, and level shifting purposes. It is designed to provide high-speed performance while maintaining low power consumption.

Characteristics

• High-speed operation: The 74ABT2244CSCX is capable of operating at high frequencies, making it suitable for applications that require fast data transfer.
• Low power consumption: This IC is designed to minimize power consumption, ensuring efficient energy usage.
• Wide voltage range: It can operate within a wide voltage range, allowing compatibility with various digital systems.
• Output drive capability: The 74ABT2244CSCX has a high output drive capability, enabling it to drive multiple loads without significant degradation in performance.

Package and Quantity

The 74ABT2244CSCX is available in a small outline package (SOIC) with 20 pins. It is typically sold in reels or tubes containing multiple units, depending on the supplier. The exact packaging and quantity may vary based on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±24mA
• Propagation Delay: 3.5ns (max)
• Input Capacitance: 4pF (typ)

Pin Configuration

The 74ABT2244CSCX IC has a total of 20 pins, which are assigned specific functions as follows:

1. OE (Output Enable) 1
2. A1 (Input) 1
3. B1 (Input/Output) 1
4. Y1 (Output) 1
5. GND (Ground)
6. Y2 (Output) 2
7. B2 (Input/Output) 2
8. A2 (Input) 2
9. OE (Output Enable) 2
10. VCC (Supply Voltage)
11. B3 (Input/Output) 3
12. A3 (Input) 3
13. OE (Output Enable) 3
14. Y3 (Output) 3
15. GND (Ground)
16. Y4 (Output) 4
17. OE (Output Enable) 4
18. A4 (Input) 4
19. B4 (Input/Output) 4
20. VCC (Supply Voltage)

Functional Features

• Output Enable Control: The IC features individual output enable pins for each set of four bidirectional buffers, allowing selective control over the outputs.
• Bidirectional Buffering: It provides bidirectional buffering for data signals, enabling seamless communication between different parts of a digital system.
• High-Speed Operation: The 74ABT2244CSCX offers fast propagation delay, making it suitable for applications that require quick data transfer.
• Noise Immunity: This IC incorporates noise immunity techniques to minimize the impact of external disturbances on signal integrity.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• Low power consumption ensures energy efficiency.
• Wide voltage range allows compatibility with various systems.
• Output drive capability facilitates driving multiple loads.

Disadvantages

• Limited number of bidirectional buffers (four sets of four) may restrict its application in complex systems requiring a higher number of buffers.
• Propagation delay may introduce timing constraints in certain applications.

Working Principles

The 74ABT2244CSCX operates based on the principles of digital logic. It utilizes a combination of transistors, resistors, and other electronic components to amplify, buffer, and shift the levels of digital signals. The IC follows specific input/output voltage thresholds and logical operations to ensure accurate signal processing.

Application Field Plans

The 74ABT2244CSCX finds application in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Data communication systems - Memory interfaces - Industrial automation systems - Automotive electronics

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to the 74ABT2244CSCX include: - 74HC244: A CMOS-based octal buffer/line driver IC. - SN74LS244: A TTL-based octal buffer/line driver IC. - CD74ACT244: An advanced CMOS octal buffer/line driver IC.

These alternative models offer comparable features and can be used as substitutes depending on specific system