SN74AHC244QPWR

Overview

Category: Integrated Circuit (IC)

Use: Buffer/Line Driver

Characteristics: - High-speed CMOS technology - 3-state outputs - Low power consumption - Wide operating voltage range - Schmitt-trigger inputs for noise immunity - Available in TSSOP package

Package: TSSOP-20

Essence: The SN74AHC244QPWR is a high-performance buffer/line driver IC that provides a non-inverting buffer with 3-state outputs. It is designed using high-speed CMOS technology, making it suitable for various applications requiring signal buffering and driving capabilities.

Packaging/Quantity: The SN74AHC244QPWR is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)
• Output Current: ±8 mA

Pin Configuration

The SN74AHC244QPWR has a TSSOP-20 package with the following pin configuration:

__ __ 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 OE | 10 11 | GND ‾‾ ‾‾

Functional Features

• Non-inverting buffer with 3-state outputs
• High-speed operation suitable for various applications
• Schmitt-trigger inputs provide noise immunity
• Low power consumption for energy-efficient designs
• Wide operating voltage range allows compatibility with different systems

Advantages and Disadvantages

Advantages: - High-speed CMOS technology ensures fast signal processing - 3-state outputs allow multiple devices to share a common bus - Schmitt-trigger inputs provide robustness against noise - Low power consumption extends battery life in portable applications

Disadvantages: - Limited output current may not be suitable for driving heavy loads - TSSOP package may require careful handling during assembly

Working Principles

The SN74AHC244QPWR operates as a non-inverting buffer/line driver. It takes input signals and provides amplified, non-inverted outputs. The 3-state outputs allow the device to be effectively disconnected from the bus when not in use, preventing interference with other devices connected to the same bus.

The Schmitt-trigger inputs ensure reliable operation by providing hysteresis and noise immunity. This makes the IC less susceptible to signal distortions caused by external noise sources.

Detailed Application Field Plans

The SN74AHC244QPWR is widely used in various applications, including:

1. Microcontroller interfacing: It can be used to buffer and drive signals between microcontrollers and peripheral devices, such as sensors, displays, and memory modules.
2. Communication systems: The IC can be employed in communication systems to amplify and transmit signals between different components, ensuring reliable data transfer.
3. Industrial automation: It finds application in industrial automation systems where it can interface between control units and actuators, providing signal amplification and driving capabilities.
4. Automotive electronics: The SN74AHC244QPWR can be utilized in automotive electronics for signal buffering and driving in various subsystems, such as infotainment systems and control modules.

Detailed and Complete Alternative Models

1. SN74AHC244QDRQ1: Similar to SN74AHC244QPWR, but available in SOIC-20 package.
2. SN74AHC244D: DIP-20 package variant of SN74AHC244QPWR.
3. SN74AHC244NSR: Smaller footprint version in SOP-20 package.

These alternative models offer similar functionality and characteristics, allowing designers to choose the most suitable package for their specific application requirements.

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