SN74LVC244AZQNR

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SN74LVC244AZQNR

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IC BUFFER NON-INVERT 3.6V 20-BGA

  • FabricanteTexas Instruments

  • Peça do Fabricante #SN74LVC244AZQNR

  • Em Estoque6045

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Especificações

Atributo Valor
Series 74LVC
Part Status Obsolete
Base Product Number 74LVC244
Logic Type Buffer, Non-Inverting
Number of Elements 2
Number of Bits per Element 4
Output Type 3-State
Current - Output High, Low 24mA, 24mA
Voltage - Supply 1.65V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-VFBGA
Supplier Device Package 20-BGA MICROSTAR JUNIOR (4x3)
Packaging Tape & Reel (TR)

Visão Geral

Description

The SN74LVC244AZQNR is a high-performance, octal buffer/driver designed for 3.3V and 5V logic systems. It features eight non-inverting outputs, which can drive capacitive loads up to 15 pF. This device is particularly useful for enhancing signal integrity and reducing noise in digital circuits. The part is optimized for low power consumption while maintaining fast switching speeds, making it suitable for various applications, including data communication and interfacing.
The inputs of the SN74LVC244AZQNR are compatible with standard TTL and CMOS logic levels, and the device supports both active-high and active-low logic. Its wide operating temperature range (-40°C to +125°C) ensures reliable performance in demanding environments. The package comes in a 20-pin TSSOP format, facilitating easy integration into space-constrained designs. With its robust design and versatility, the SN74LVC244AZQNR is commonly used in memory applications, bus buffering, and as a level shifter.

Equivalent

The SN74LVC244AZQNR is an octal buffer/driver with 3-state outputs. Equivalent products include:
1. SN74HCT244N
2. SN74LS244N
3. 74LVC244A
4. 74HC244
These chips share similar functionalities but may differ in voltage levels, speed, and power consumption. Always check specifications for compatibility with your application.

Features

The SN74LVC244AZQNR is an octal buffer and driver designed for low-voltage applications. Key features include:
1. High-Speed Operation: Supports data rates up to 250 Mbps, making it suitable for high-performance applications.
2. Wide Voltage Range: Operates with supply voltages from 1.65V to 5.5V, allowing compatibility with various logic levels.
3. Low Power Consumption: Consumes minimal power, ideal for battery-operated devices.
4. High Drive Capability: Outputs can drive 15mA, enabling connection to multiple loads.
5. Wide Temperature Range: Operates in temperatures from -40°C to 125°C, suitable for industrial applications.
6. 3-State Outputs: Each output can be enabled or disabled, providing flexibility in bus systems.
7. Improved Noise Margin: High noise immunity enhances reliability in signal integrity.
8. Compact Package: Available in a 20-pin TSSOP for space-constrained designs.
These features make the SN74LVC244AZQNR a versatile choice for various digital logic applications.

Pinout

The SN74LVC244AZQNR is an octal buffer/driver with 3-state outputs. It has a total of 20 pins. The pin functions are as follows:
- Pins 1-8 (A1-A8): These are the inputs for the data that is to be buffered.
- Pins 19-12 (Y1-Y8): These are the corresponding outputs of the buffered data.
- Pin 9 (GND): Ground connection.
- Pin 10 (VCC): Supply voltage (typically 3.3V or 5V).
- Pin 11 (OE): Output enable control. When low, the outputs are enabled; when high, the outputs are in a high-impedance state.
- Pin 20 (DIR): Direction control for operation in certain configurations (specific to A/B applications).
The device is commonly used in digital circuits for signal buffering and driving applications.

Manufacturer

The manufacturer of the SN74LVC244AZQNR is Texas Instruments (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, specializing in the design and manufacturing of a wide range of semiconductor products and solutions. Founded in 1930, TI is known for its innovations in analog, digital signal processing, embedded processing, and microcontrollers, serving various industries, including automotive, industrial, communications, and consumer electronics. The SN74LVC244AZQNR is a line driver and buffer that is part of TI's extensive portfolio of logic devices, catering to applications requiring high-speed data transfer and signal conditioning. TI emphasizes reliability, performance, and quality in its products, making it a key player in the electronics industry.

Application

The SN74LVC244AZQNR is a high-speed buffer/driver with six outputs, commonly used in digital circuits. Its primary application areas include:
1. Bus Driving: It can drive high-capacitance loads and improve signal integrity on data buses.
2. Level Shifting: Converts signals between different voltage levels in mixed-voltage systems.
3. Signal Conditioning: Enhances signal quality in applications like communication, data processing, and memory interfacing.
4. Fan-out Expansion: Distributes signals to multiple destinations without degradation.
5. Isolation: Provides isolation between different parts of a circuit to prevent interference.
It is ideal for use in high-speed applications where low power consumption and high noise immunity are critical.

Package

The SN74LVC244AZQNR is packaged in a TSSOP (Thin Shrink Small Outline Package) with a 20-lead configuration.

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