SN74AHC244PWR

Overview

Category: Integrated Circuit (IC)

Use: Buffer/Line Driver

Characteristics: - High-Speed CMOS Logic - 3-State Outputs - Wide Operating Voltage Range: 2 V to 5.5 V - High-Drive Outputs (-24 mA at 3.3 V) - Low Power Consumption - Schmitt-Trigger Inputs

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74AHC244PWR is a high-speed CMOS buffer/line driver IC that provides 3-state outputs. It operates within a wide voltage range and offers high-drive outputs with low power consumption. The Schmitt-trigger inputs ensure reliable operation in noisy environments.

Packaging/Quantity: The SN74AHC244PWR is available in a TSSOP package, which stands for Thin Shrink Small Outline Package. It is supplied in tape and reel packaging, with a quantity of 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
• Maximum Operating Frequency: 50 MHz
• Propagation Delay Time: 6 ns (typical)
• Output Current: -24 mA (at 3.3 V)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74AHC244PWR has a total of 20 pins, arranged as follows:

___________ | | 1 |1 20| VCC 2 |2 19| A1 3 |3 18| A2 4 |4 17| A3 5 |5 16| A4 6 |6 15| GND 7 |7 14| Y4 8 |8 13| Y3 9 |9 12| Y2 10 |10 11| Y1 |___________|

Functional Features

• Buffer/line driver with 3-state outputs
• High-speed CMOS logic for fast operation
• Wide operating voltage range allows compatibility with various systems
• High-drive outputs enable driving of capacitive loads and long traces
• Low power consumption for energy-efficient designs
• Schmitt-trigger inputs provide noise immunity and reliable operation

Advantages

• Fast switching speed due to high-speed CMOS technology
• Versatile voltage compatibility for integration into different systems
• Ability to drive capacitive loads and long traces without signal degradation
• Low power consumption helps in reducing overall system power requirements
• Noise immunity provided by Schmitt-trigger inputs ensures reliable operation in noisy environments

Disadvantages

• Limited maximum operating frequency compared to some other ICs
• Propagation delay time may affect timing-sensitive applications
• TSSOP package may require careful handling during assembly due to its small size

Working Principles

The SN74AHC244PWR operates as a buffer/line driver, which means it amplifies and shapes digital signals. It accepts input signals and provides amplified output signals that can drive capacitive loads or long traces. The 3-state outputs allow the device to be effectively disconnected from the bus when not actively driving it.

The IC utilizes high-speed CMOS logic, which enables fast switching between logic levels. The Schmitt-trigger inputs ensure reliable operation by providing hysteresis and noise immunity. The wide operating voltage range allows the SN74AHC244PWR to be used in various systems with different power supply voltages.

Detailed Application Field Plans

The SN74AHC244PWR is commonly used in applications that require signal buffering and driving capabilities. Some of the typical application fields include:

1. Microcontroller/Processor Interfacing: The IC can be used to interface microcontrollers or processors with other digital devices, such as memory chips or display modules.

2. Communication Systems: It finds applications in communication systems where it helps in amplifying and shaping digital signals for transmission or reception.

3. Industrial Automation: The SN74AHC244PWR is suitable for industrial automation applications, such as controlling actuators or interfacing sensors with control systems.

4. Automotive Electronics: It can be utilized in automotive electronics for signal conditioning, level shifting, or driving various components within the vehicle.

5. Consumer Electronics: The IC is commonly found in consumer electronic devices like TVs, audio systems, or gaming consoles, where it assists in signal processing and driving.

Detailed and Complete Alternative Models

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