Encyclopedia Entry: 74ABT2244CSC

Product Overview

Category

The 74ABT2244CSC belongs to the category of integrated circuits (ICs) and specifically falls under the family of ABT series logic devices.

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 operation while maintaining low power consumption.

Characteristics

• High-speed operation: The 74ABT2244CSC is capable of operating at high frequencies, making it suitable for applications requiring fast data transmission.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide voltage range: It can operate within a wide voltage range, typically between 2V and 5.5V, allowing compatibility with various digital systems.
• Output drive capability: The 74ABT2244CSC has a high output drive capability, enabling it to drive multiple loads without significant degradation in performance.

Package and Quantity

The 74ABT2244CSC is available in a small outline integrated circuit (SOIC) package. It consists of 20 pins and is surface mountable. It is commonly supplied in reels or tubes, with quantities varying based on the manufacturer's packaging standards.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA
• Propagation Delay: <10ns

Pin Configuration

The pin configuration of the 74ABT2244CSC is as follows:

┌───┐ A1 -|1 20|- VCC B1 -|2 19|- B2 A2 -|3 18|- OE# B3 -|4 17|- Y1 A3 -|5 16|- Y2 GND -|6 15|- Y3 Y4 -|7 14|- A4 Y5 -|8 13|- B4 Y6 -|9 12|- A5 Y7 -|10 11|- B5 └───┘

Functional Features

• Bidirectional Buffering: The 74ABT2244CSC provides bidirectional buffering, allowing data to be transmitted in both directions.
• Output Enable Control: The OE# pin enables or disables the outputs, providing control over the data flow.
• High-Speed Operation: This IC is designed for high-speed operation, making it suitable for time-critical applications.

Advantages and Disadvantages

Advantages

• High-speed operation allows for fast data transmission.
• Low power consumption makes it energy-efficient.
• Wide voltage range ensures compatibility with various digital systems.
• Output drive capability enables driving multiple loads without performance degradation.

Disadvantages

• Limited number of input/output pins (20 pins) may restrict its use in complex systems requiring more connections.
• Propagation delay, although minimal, can still introduce a slight delay in signal transmission.

Working Principles

The 74ABT2244CSC operates based on complementary metal-oxide-semiconductor (CMOS) technology. It utilizes a combination of transistors and logic gates to amplify and buffer digital signals. The inputs are buffered and amplified before being transmitted to the outputs. The output enable control allows for selective activation or deactivation of the outputs.

Application Field Plans

The 74ABT2244CSC 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 74ABT2244CSC include: - 74HC244: A CMOS-based octal buffer/line driver with similar characteristics. - SN74LS244: A TTL-based octal buffer/line driver offering comparable performance.

These alternative models can be considered based on specific application requirements and compatibility with existing systems.

In conclusion, the 74ABT2244CSC is a high-speed, low-power IC belonging to the ABT series logic devices. It offers bidirectional buffering, wide voltage range, and high output drive capability. While it has limitations in terms of pin count, it finds applications in various digital systems and has alternative models available in the market.