MC74AC244DTR2

Product Overview

Category: Integrated Circuit (IC)

Use: The MC74AC244DTR2 is a high-speed octal buffer/line driver with 3-state outputs. It is designed to be used as a voltage level translator and signal amplifier in various electronic applications.

Characteristics: - High-speed operation - 3-state outputs for bus-oriented applications - Wide operating voltage range - Low power consumption - Schmitt trigger inputs for noise immunity

Package: The MC74AC244DTR2 is available in a small outline package (SOT-363) which provides compactness and ease of integration into circuit designs.

Essence: This IC serves as a versatile buffer/line driver, enabling efficient voltage level translation and signal amplification in electronic systems.

Packaging/Quantity: The MC74AC244DTR2 is typically packaged in reels, containing 3000 units per reel.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 7 ns
• Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

The MC74AC244DTR2 has a total of 20 pins, arranged as follows:

__ __ A1 |1 \__/ 20| VCC A2 |2 19| OE# B1 |3 18| I/O1 B2 |4 17| I/O2 C1 |5 16| I/O3 C2 |6 15| I/O4 D1 |7 14| I/O5 D2 |8 13| I/O6 GND |9 12| I/O7 OE# |10 11| I/O8 ‾‾ ‾‾

Functional Features

• High-speed operation: The MC74AC244DTR2 is designed to operate at high speeds, making it suitable for time-critical applications.
• 3-state outputs: The 3-state outputs allow the IC to be used in bus-oriented systems, where multiple devices can share a common data bus.
• Wide operating voltage range: The IC can operate within a wide voltage range, providing flexibility in various electronic systems.
• Low power consumption: The MC74AC244DTR2 consumes minimal power, contributing to energy-efficient designs.
• Schmitt trigger inputs: The Schmitt trigger inputs ensure noise immunity, enabling reliable signal processing even in noisy environments.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transmission. - 3-state outputs enable easy integration into bus-oriented systems. - Wide operating voltage range provides versatility in different applications. - Low power consumption contributes to energy efficiency. - Schmitt trigger inputs ensure reliable signal processing in noisy environments.

Disadvantages: - Limited number of input/output channels (8 channels). - May not be suitable for applications requiring a higher number of channels.

Working Principles

The MC74AC244DTR2 operates as a buffer/line driver by amplifying and translating voltage levels. It receives input signals and amplifies them to a higher voltage level, allowing for proper signal transmission. The 3-state outputs provide flexibility in controlling the output state, enabling multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The MC74AC244DTR2 finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

In microcontroller and microprocessor-based systems, the IC can be used for voltage level translation between different logic families. In data communication systems, it serves as a signal amplifier to ensure reliable data transmission. In industrial automation and automotive electronics, it facilitates interfacing between different components. In consumer electronics, it can be utilized for level shifting and buffering signals.

Detailed and Complete Alternative Models

1. SN74AC244: This is an alternative model from Texas Instruments that offers similar functionality and characteristics.
2. 74HC244: This model from NXP Semiconductors provides octal buffer/line driver functionality with 3-state outputs.
3. CD74AC244: Manufactured by Texas Instruments, this model is another alternative with comparable features.

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

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