SN74AVCH8T245PWR

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SN74AVCH8T245PWR

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IC TRANSLATION TXRX 3.6V 24TSSOP

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
Series 74AVCH
ProductStatus Active
LogicType Translation Transceiver
NumberofElements 2
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 12mA, 12mA
Voltage-Supply 1.2V ~ 3.6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width)

Visão Geral

Description

The SN74AVCH8T245PWR is an 8-bit dual-supply bus transceiver with configurable voltage-level shifting capabilities, produced by Texas Instruments. Designed for applications requiring communication between systems with different voltage levels, it supports voltage translation from 1.2V to 3.6V on either side. This device includes two separate power-supply terminals, VCCA and VCCB, allowing for independent supply voltages.
The SN74AVCH8T245PWR features direction-control and output-enable pins for bidirectional data flow control. It is designed to offer low power consumption and high-speed operation, making it suitable for high-performance systems. The device comes in a TSSOP-20 package, offering compact size and ease of integration into circuit designs.
Furthermore, it includes 3-state output configurations to prevent bus contention in applications with multiple devices connected to the bus. The device is also designed with Ioff circuitry, which prevents backflow of current during power-down conditions, enhancing reliability and protecting the circuit.

Equivalent

The SN74AVCH8T245PWR is a Texas Instruments voltage-level translating transceiver. Equivalent products include:
1. NXP's 74AVC8T245
2. ON Semiconductor's NVT4857
3. Diodes Incorporated's PI4ULS3V4857
These components perform similar functions of bidirectional voltage-level translation and are useful in mixed-voltage system applications. Always verify the specific electrical parameters and pin configurations to ensure compatibility for your application.

Features

The SN74AVCH8T245PWR is an 8-bit dual-supply bus transceiver with configurable voltage-level shifting and two ports. Key features include:
1. Dual-Supply Operation: Supports voltage-level translation between 1.2V and 3.6V on both A and B ports, making it suitable for mixed-voltage applications.
2. High-Speed Operation: Offers high-speed data transfer with a maximum data rate up to 380Mbps, suitable for high-performance applications.
3. Low Power Consumption: Incorporates power-saving features with partial power-down mode and Ioff support, preventing backflow current when the device is powered down.
4. Direction Control: Includes a direction-control input (DIR) for data direction management, providing flexibility in data flow control between buses.
5. Enable Pin: Features an output enable (OE) input to disable the outputs and reduce power consumption when not in use.
6. Robust Design: Offers overvoltage-tolerant inputs and outputs and is designed for hot-insertion, enhancing system reliability and robustness.
7. Compact Package: Available in TSSOP and other small form-factor packages, which are suitable for space-constrained applications.
These features make the SN74AVCH8T245PWR ideal for applications requiring efficient voltage translation and reliable data communication.

Pinout

The SN74AVCH8T245PWR is a dual-supply octal bus transceiver with configurable voltage-level shifting and is part of the Texas Instruments SN74AVCH8T245 series. It typically comes in a 24-pin TSSOP package. The device is designed to provide bidirectional data transfer and voltage level translation between different voltage nodes, supporting a range from 1.2V to 3.6V on both the A and B sides.
Key functions of this transceiver include:
1. Bidirectional Data Transfer: It allows for data transfer in both directions, from A to B and B to A.
2. Voltage Level Shifting: It can shift voltage levels between two different voltage nodes, making it suitable for mixed-voltage applications.
3. Enable and Direction Control: The device has DIR and OE (Output Enable) pins for controlling the direction of data flow and enabling/disabling outputs.
4. High-Speed Operation: It supports high-speed data transfer, making it suitable for various applications requiring fast communication.
These features make the SN74AVCH8T245PWR useful in applications like interfacing between low-voltage microcontrollers and higher-voltage peripherals.

Manufacturer

The SN74AVCH8T245PWR is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a broad range of analog and embedded processing products. Its products are used in various applications across different industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in the semiconductor industry, providing solutions that enhance performance and efficiency in electronic devices.

Application

The SN74AVCH8T245PWR is a dual-supply bus transceiver used for voltage level translation and signal integrity between different logic levels. Its primary applications include interfacing between devices with different supply voltages, data buses, and memory or communication systems that require bidirectional data flow. It is suitable for use in digital electronics where high-speed data transfer is critical, such as computing, telecommunications, and consumer electronics. Additionally, it can be used in portable and battery-powered devices due to its low power consumption and ability to work with a wide range of supply voltages.

Package

The SN74AVCH8T245PWR is a Texas Instruments device in a TSSOP (Thin Shrink Small Outline Package), which is a surface-mount IC package. Specifically, this package type is designed with 24 pins and features a small form factor ideal for space-constrained applications.

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