Encyclopedia Entry: 74ABT244PW,118

Product Overview

Category

The 74ABT244PW,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This product is commonly used in digital electronics for signal amplification, buffering, and level shifting purposes. It serves as a bidirectional octal buffer/line driver with 3-state outputs.

Characteristics

• High-speed operation: The 74ABT244PW,118 offers fast switching times, making it suitable for applications requiring quick data transfer.
• Wide voltage range: It operates within a broad voltage range, typically between 4.5V and 5.5V.
• Low power consumption: This IC is designed to consume minimal power, ensuring energy efficiency.
• 3-state outputs: The 74ABT244PW,118 features three-state outputs, allowing multiple devices to share a common bus without interference.

Package and Quantity

The 74ABT244PW,118 is available in a standard TSSOP (Thin Shrink Small Outline Package) package. It is supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Family: ABT
• Number of Channels: 8
• Input/Output Type: Tri-State
• Operating Temperature Range: -40°C to +85°C
• Package Type: TSSOP-20

Pin Configuration

The pin configuration of the 74ABT244PW,118 is as follows:

┌───┐ OE1 ──┤ 1 │── VCC A1-1 ──┤ 2 │── A1-2 B1-1 ──┤ 3 │── B1-2 A1-3 ──┤ 4 │── A1-4 B1-3 ──┤ 5 │── B1-4 GND ──┤ 6 │── OE2 B1-5 ──┤ 7 │── A1-5 A1-6 ──┤ 8 │── B1-6 B1-7 ──┤ 9 │── A1-7 A1-8 ──┤10 │── B1-8 Y1-1 ──┤11 │── Y1-2 Y1-3 ──┤12 │── Y1-4 Y1-5 ──┤13 │── Y1-6 Y1-7 ──┤14 │── Y1-8 GND2 ──┤15 │── OE3 Y2-1 ──┤16 │── A2-1 A2-2 ──┤17 │── B2-1 B2-2 ──┤18 │── A2-3 B2-3 ──┤19 │── B2-4 VCC2 ──┤20 │── OE4 └───┘

Functional Features

The 74ABT244PW,118 offers the following functional features:

• Bidirectional Buffering: It allows bidirectional data transfer between different parts of a circuit.
• Tri-State Outputs: The three-state outputs enable the device to be effectively connected to a common bus, providing flexibility in controlling data flow.
• High-Speed Operation: With fast switching times, this IC ensures efficient data transfer in time-critical applications.

Advantages and Disadvantages

Advantages

• Fast switching times enable quick data transfer.
• Low power consumption ensures energy efficiency.
• Tri-state outputs allow multiple devices to share a common bus without interference.

Disadvantages

• Limited voltage range (4.5V to 5.5V) may not be suitable for all applications requiring different voltage levels.
• The TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The 74ABT244PW,118 operates based on the principles of digital logic gates. It acts as an octal buffer/line driver, amplifying and buffering digital signals while maintaining signal integrity. The tri-state outputs provide control over the direction of data flow, allowing bidirectional communication between different parts of a circuit.

Application Field Plans

The 74ABT244PW,118 finds application in various fields, including:

1. Microprocessor Systems: It is used to interface micro