Encyclopedia Entry: 74ABT2244CMSA

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ABT2244CMSA is a high-speed octal buffer/line driver designed for use in various digital applications. It provides non-inverting buffers with 3-state outputs, making it suitable for interfacing between different logic families.

Characteristics: - High-speed operation - Non-inverting buffers - 3-state outputs - Wide operating voltage range - Low power consumption

Package: The 74ABT2244CMSA is available in a small outline integrated circuit (SOIC) package. This package offers compactness and ease of installation.

Essence: The essence of the 74ABT2244CMSA lies in its ability to provide efficient buffering and line driving capabilities, ensuring reliable signal transmission between different components of a digital system.

Packaging/Quantity: The 74ABT2244CMSA is typically sold in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6 ns
• Maximum Output Current: ±24 mA

Detailed Pin Configuration

The 74ABT2244CMSA features a 20-pin configuration. The pinout diagram and description are as follows:

+---\/---+ OE --|1 20|-- VCC A1I --|2 19|-- B1O A2I --|3 18|-- B2O A3I --|4 17|-- B3O A4I --|5 16|-- B4O A5I --|6 15|-- B5O A6I --|7 14|-- B6O A7I --|8 13|-- B7O GND --|9 12|-- B8O A8I --|10 11|-- OE# +--------+

• OE: Output Enable (Active Low)
• A1I to A8I: Input Buffers
• B1O to B8O: Output Buffers
• VCC: Supply Voltage
• GND: Ground

Functional Features

The 74ABT2244CMSA offers the following functional features:

1. High-Speed Operation: The IC is designed to operate at high speeds, allowing for efficient data transmission in digital systems.
2. Non-Inverting Buffers: The buffers provide a one-to-one signal mapping, ensuring that the output matches the input logic level.
3. 3-State Outputs: The 3-state outputs allow for easy bus sharing and bidirectional communication between multiple devices.
4. Wide Operating Voltage Range: The IC can operate within a voltage range of 4.5V to 5.5V, making it compatible with various power supply configurations.
5. Low Power Consumption: The 74ABT2244CMSA consumes minimal power, contributing to energy efficiency in electronic systems.

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data transmission. - Non-inverting buffers ensure accurate signal reproduction. - 3-state outputs facilitate bus sharing and bidirectional communication. - Wide operating voltage range enhances compatibility. - Low power consumption contributes to energy efficiency.

Disadvantages: - Limited output current may restrict use in certain applications requiring higher drive capabilities. - The SOIC package may not be suitable for all installation requirements, such as those needing through-hole mounting.

Working Principles

The 74ABT2244CMSA operates based on the principles of buffering and line driving. It receives input signals and amplifies them to ensure proper voltage levels for transmission. The non-inverting nature of the buffers maintains signal integrity by preserving the logic state. The 3-state outputs allow the IC to disconnect from the bus when not actively transmitting data, preventing signal interference.

Detailed Application Field Plans

The 74ABT2244CMSA finds application in various digital systems, including but not limited to: - Microprocessor-based systems - Data communication networks - Memory interfaces - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ABT2244CMSA include: - 74HC244: A standard CMOS octal buffer/line driver with 3-state outputs. - SN74LS244: A TTL octal buffer/line driver