MC74HC244ADWG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-Speed, Octal Buffer/Line Driver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The MC74HC244ADWG is a high-speed octal buffer/line driver that operates at a voltage range of 2V to 6V. It provides non-inverting outputs and can be used for various logic level shifting applications.
• Packaging/Quantity: The MC74HC244ADWG is available in a SOIC package with a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: GND to VCC
• Output Voltage Range: GND to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 9 ns (typical)
• Output Current: ±25 mA
• Input Capacitance: 3.5 pF (typical)
• Output Capacitance: 8 pF (typical)

Pin Configuration

The MC74HC244ADWG has a total of 20 pins arranged as follows:

__ __ A1 |1 \__/ 20| VCC A2 |2 19| B1 A3 |3 18| B2 A4 |4 17| B3 A5 |5 16| B4 A6 |6 15| B5 A7 |7 14| B6 A8 |8 13| B7 GND |9 12| B8 OE1 |10 11| OE2 ‾‾ ‾‾

Functional Features

• High-Speed Operation: The MC74HC244ADWG is designed to operate at high speeds, making it suitable for applications that require fast data transfer.
• Non-Inverting Outputs: The buffer/line driver provides non-inverting outputs, ensuring that the input and output signals have the same logic level.
• Octal Configuration: With eight inputs and eight outputs, the MC74HC244ADWG can handle multiple data lines simultaneously.
• Wide Voltage Range: The IC operates within a voltage range of 2V to 6V, allowing compatibility with various systems.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• Non-inverting outputs simplify signal processing.
• Octal configuration allows handling multiple data lines.
• Wide voltage range ensures compatibility with different systems.

Disadvantages

• Limited output current may restrict use in certain applications.
• Propagation delay of 9 ns (typical) may affect timing-sensitive operations.

Working Principles

The MC74HC244ADWG functions as a buffer/line driver by amplifying and reshaping input signals. It uses CMOS technology to achieve high-speed operation and non-inverting outputs. The octal configuration allows the IC to handle multiple data lines simultaneously. When enabled, the input signals are amplified and transmitted to the corresponding outputs without any inversion.

Detailed Application Field Plans

The MC74HC244ADWG finds applications in various fields where logic level shifting is required. Some potential application areas include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers with devices operating at different voltage levels.
2. Data Communication Systems: It can be employed in data communication systems to ensure proper signal translation between different logic families.
3. Industrial Automation: The MC74HC244ADWG can be utilized in industrial automation systems for level shifting and signal buffering purposes.
4. Automotive Electronics: It finds applications in automotive electronics, such as in-vehicle communication networks, where logic level translation is necessary.

Detailed and Complete Alternative Models

1. SN74HC244N: This IC from Texas Instruments offers similar functionality to the MC74HC244ADWG and comes in a DIP (Dual Inline Package) format.
2. CD74HC244E: Manufactured by Texas Instruments, this IC is another alternative that provides octal buffer/line driver functionality in a DIP package.
3. 74HCT244: This IC from NXP Semiconductors is compatible with both CMOS and TTL logic families and offers octal buffer functionality.

These alternative models can be considered based on specific requirements and availability.

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