Encyclopedia Entry: 74LV244PW/AUJ

Product Overview

Category

The 74LV244PW/AUJ belongs to the category of integrated circuits (ICs), specifically a type of digital logic gate.

Use

This product is commonly used in electronic devices and systems for signal amplification, buffering, and level shifting purposes.

Characteristics

• The 74LV244PW/AUJ is a high-speed octal buffer/line driver with 3-state outputs.
• It operates at a voltage range of 1.65V to 5.5V, making it compatible with various power supply levels.
• This IC offers low power consumption and high noise immunity.
• It has a wide operating temperature range, typically from -40°C to +125°C.
• The 74LV244PW/AUJ is RoHS compliant, ensuring environmental friendliness.

Package and Quantity

This product is available in a small-sized TSSOP (Thin Shrink Small Outline Package) package. Each package contains one 74LV244PW/AUJ IC.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 30MHz
• Number of Inputs/Outputs: 8
• Logic Family: LV (Low-Voltage)
• Output Type: 3-State

Pin Configuration

The 74LV244PW/AUJ IC has a total of 20 pins, which are assigned as follows:

Pin 1: Output Y1 Pin 2: Output Y2 Pin 3: Output Y3 Pin 4: Output Y4 Pin 5: Output Y5 Pin 6: Output Y6 Pin 7: Output Y7 Pin 8: Output Y8 Pin 9: GND (Ground) Pin 10: Input G1 Pin 11: Input G2 Pin 12: Input G3 Pin 13: Input G4 Pin 14: Input G5 Pin 15: Input G6 Pin 16: Input G7 Pin 17: Input G8 Pin 18: VCC (Power Supply) Pin 19: Output Enable (OE) Pin 20: NC (No Connection)

Functional Features

• The 74LV244PW/AUJ provides eight independent buffer gates with 3-state outputs.
• It allows bidirectional data flow, making it suitable for bus-oriented applications.
• The output enable (OE) pin controls the tri-state outputs, enabling or disabling them as needed.
• This IC offers high-speed operation and low power consumption, ensuring efficient signal processing.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various systems. - High noise immunity ensures reliable signal transmission. - Small package size saves board space in electronic designs. - RoHS compliance promotes environmental sustainability.

Disadvantages: - Limited maximum operating frequency compared to some other ICs. - Lack of built-in protection features against overvoltage or ESD events.

Working Principles

The 74LV244PW/AUJ operates based on the principles of digital logic gates. It receives input signals from the G1-G8 pins and amplifies or buffers them accordingly. The OE pin controls the output state, enabling or disabling the outputs. The IC's internal circuitry ensures proper signal level shifting and noise suppression.

Application Field Plans

The 74LV244PW/AUJ finds extensive use in various electronic applications, including but not limited to: - Microcontrollers and microprocessors - Data communication systems - Industrial automation equipment - Automotive electronics - Consumer electronics

Alternative Models

For similar functionality, the following alternative models can be considered: - 74HC244: High-speed octal buffer/line driver with 3-state outputs. - SN74LV244A: Low-voltage octal buffer/line driver with 3-state outputs. - CD74HCT244: High-speed CMOS octal buffer/line driver with 3-state outputs.

These alternative models offer comparable features and can be used as substitutes for the 74LV244PW/AUJ in various applications.

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