74LVC244AD

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74LVC244AD

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Buffers & Line Drivers OCTAL BUFF/LDRVR 3ST 3.3V

  • FabricanteNexperia

  • Peça do Fabricante #74LVC244AD

  • Em Estoque21115

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Especificações

Atributo Valor
StandardPackQty 38

Visão Geral

Description

The 74LVC244AD is a high-performance CMOS octal buffer/line driver designed for a wide range of digital applications. It features eight non-inverting buffers with 3-state outputs, making it ideal for driving bus lines or buffer memory address registers. Operating from a wide voltage range of 1.2V to 3.6V, it provides compatibility with low-voltage systems while maintaining TTL input levels for interfacing with traditional logic families.
This IC offers low power consumption with minimal static power dissipation, making it suitable for battery-powered devices. The 74LVC244AD is renowned for its high-speed operation, with propagation delays and output transition times optimized for faster data processing. It includes standard ESD protection, which enhances its robustness in various environments.
The device's 3-state capability allows multiple devices to connect to a common bus without interference, ensuring efficient data handling. With its compact design and reliable performance, the 74LVC244AD is widely used in computing and communication equipment.

Equivalent

The 74LVC244AD is an octal buffer/line driver with 3-state outputs. Equivalent products include:
1. SN74LVC244A from Texas Instruments
2. MC74LCX244 from ON Semiconductor
3. TC74LCX244 from Toshiba
4. 74AHC244 from Nexperia
5. CD74HC244 from Texas Instruments
These chips function similarly, offering logic level voltage compatibility and 3-state outputs, suitable for bus interface and signal buffering applications. Always verify pin configurations and electrical characteristics when selecting equivalents.

Features

The 74LVC244AD is a non-inverting octal buffer/line driver with 3-state outputs. Key features include:
1. High-Speed Operation: Designed for high-speed communication, it offers fast propagation delays.
2. Wide Operating Voltage Range: Functions over a broad voltage range, typically from 1.2V to 3.6V.
3. Low Power Consumption: Utilizes low power, making it ideal for battery-operated devices.
4. 3-State Outputs: Allows outputs to be in high, low, or high-impedance state, facilitating bus-oriented applications.
5. Drive Capability: Capable of driving up to 50pF loads.
6. Latch-Up Performance: Exhibits high immunity to latch-up, ensuring stable operation.
7. ESD Protection: Built-in electrostatic discharge protection enhances reliability.
8. Multiple Package Options: Available in various packages for versatile design integration.
These features make the 74LVC244AD suitable for applications in computing, networking, and digital systems where buffering and driving signals over a bus are required.

Pinout

The 74LVC244AD is an octal buffer/line driver with 3-state outputs, commonly used in digital circuits to manage signal integrity and drive capacity. It features 20 pins in its standard package. The pin configuration includes:
- VCC (Pin 20): Positive power supply.
- GND (Pin 10): Ground.
- A0 to A7 (Pins 2, 4, 6, 8, 11, 13, 15, 17): Data inputs.
- Y0 to Y7 (Pins 3, 5, 7, 9, 12, 14, 16, 18): Data outputs.
- OE1 and OE2 (Pins 1 and 19): Output enable inputs (active low).
The device operates as two separate 4-bit buffers or drivers, with each group controlled by its own output enable pin. When the output enable pin is low, the corresponding outputs are enabled; when high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit. This functionality allows for easy management of data flow and bus control in digital systems, making the 74LVC244AD suitable for various applications requiring buffering and driving of data signals.

Manufacturer

The 74LVC244AD is manufactured by Nexperia. Nexperia is a global semiconductor company that specializes in the production of discrete and power devices, as well as logic and MOSFETs. Originally part of NXP Semiconductors, Nexperia was established as an independent company in 2017 when it was divested. Headquartered in Nijmegen, Netherlands, Nexperia caters to the automotive, mobile, industrial, and computing sectors, among others, and is recognized for its efficient manufacturing processes and high-quality product offerings. The company emphasizes energy-efficient and environmentally friendly solutions in its product designs.

Application

The 74LVC244AD is a high-speed CMOS octal buffer/line driver with 3-state outputs, used primarily in digital circuits. Key application areas include:
1. Signal Buffering: Enhances drive capability for microcontrollers or processors by buffering data signals.
2. Data Transmission: Facilitates reliable data transfer over buses by addressing signal integrity issues.
3. Bus Driver: Utilized in memory or microprocessor systems for driving bus lines.
4. Level Shifting: Converts voltage levels between different parts of a system.
5. Isolation: Provides electrical isolation between different sections of a circuit.
These features make it suitable for use in computing, consumer electronics, communication equipment, and industrial control systems.

Package

The 74LVC244AD is available in a SOIC-20 (Small Outline Integrated Circuit) package. This package type allows for surface-mount technology, which is commonly used in modern electronic assemblies to save space and offer efficient integration on printed circuit boards (PCBs).

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