74AVC8T245PW

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74AVC8T245PW

+Nomenclature

Bus Transceivers

  • FabricantLe nexperia

  • Pièce fabricant #74AVC8T245PW

  • En stock17304

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Présentation

Description

The 74AVC8T245PW is an advanced high-speed CMOS 8-bit bus transceiver with 3-state outputs, designed for asynchronous communication between data buses. It is part of the 74AVC series and operates at low voltage, making it suitable for applications requiring low power consumption and high-speed operation.
This device enables bidirectional data transfer, controlled by a direction pin (DIR) and an output enable pin (OE). The DIR pin determines the direction of data flow, while the OE pin controls the output state, allowing the outputs to be placed in a high-impedance state.
Key features include compatibility with low voltage levels ranging from 0.8V to 3.6V, allowing it to interface with a variety of voltage levels in mixed-voltage systems. The 74AVC8T245PW also offers high drive capability and features over-voltage-tolerant inputs, enhancing its versatility.
The device is typically housed in a TSSOP (Thin Shrink Small Outline Package), which provides a compact form factor suitable for limited-space applications. It is widely used in mobile devices, computing systems, and other electronics requiring efficient data bus transceiving.

Equivalent

The 74AVC8T245PW is a dual-supply octal bus transceiver with 3-state outputs. Equivalent products include:
1. SN74AVC8T245 from Texas Instruments
2. MC74AVC8T245 from ON Semiconductor
3. 74AVCH8T245 from Fairchild Semiconductor (now part of ON Semiconductor)
4. 8T245 from Lattice Semiconductor
Always verify compatibility regarding pin configuration, electrical characteristics, and supplier specifics before substituting.

Features

The 74AVC8T245PW is a dual supply octal bus transceiver with configurable voltage translation. It features bidirectional, non-inverting data paths and is designed for asynchronous communication between data buses. Key features include:
1. Dual Supply Operation: It supports two separate supply voltages, allowing for voltage translation between different logic levels.

2. Wide Voltage Range: The device operates with a voltage range from 0.8V to 3.6V on both the A and B ports, accommodating various power supply levels.
3. Enable Pins: Includes an output enable (OE) pin for each direction, allowing individual control of data flow. This feature is useful for isolating buses when not in use.
4. High-Speed Performance: Capable of handling high-speed data transfer rates due to low propagation delay and dynamic outputs.
5. Low Power Consumption: Designed with low power consumption in mind, making it suitable for battery-powered applications.
6. Latch-Up Performance: Offers robust latch-up protection, compliant with JESD78 standards.
7. ESD Protection: Enhanced protection against electrostatic discharge, ensuring reliability in various applications.
These features make it ideal for applications requiring flexible voltage translation and efficient data communication.

Pinout

The 74AVC8T245PW is an 8-bit transceiver with direction pin and dual supply voltages, used for bidirectional voltage-level translation and isolation. It features 20 pins in total. The device is typically housed in a TSSOP (Thin Shrink Small Outline Package) or similar package, and the pin functions are as follows:
1. A1 to A8: Data inputs/outputs for port A.
2. B1 to B8: Data inputs/outputs for port B.
3. VCCA: Supply voltage for port A.
4. VCCB: Supply voltage for port B. This allows for different voltage levels on each side.
5. DIR: Direction control pin. Determines the direction of data flow between the A and B ports.
6. OE: Output enable pin. Enables or disables the outputs when driven accordingly.
7. GND: Ground reference for the device.
The device is primarily used in applications that require voltage translation between different logic levels, such as interfacing between components of varying voltage standards within a circuit.

Manufacturer

The 74AVC8T245PW is manufactured by Nexperia. Nexperia is a global semiconductor company known for producing discrete and logic devices as well as power MOSFETs. It was originally part of NXP Semiconductors but became an independent entity in 2017. The company focuses on efficiency and reliable performance, predominantly supplying the automotive, computing, consumer electronics, and industrial markets. Headquartered in Nijmegen, Netherlands, Nexperia operates globally and is recognized for producing high-volume, high-quality semiconductor components.

Application

The 74AVC8T245PW is a dual supply translating transceiver, often used in applications requiring voltage level translation and signal integrity between different voltage domains. Key application areas include:
1. Mixed Voltage Systems: Facilitates communication between components operating at different voltage levels, such as between a 3.3V processor and a 1.8V peripheral.
2. Mobile Devices: Supports low power and space-efficient designs in smartphones and tablets.
3. Consumer Electronics: Used in TVs, gaming consoles, and other devices requiring multiple voltage levels.
4. Computing: Ensures compatibility between chips in laptops and PCs.
5. Telecommunications: Supports reliable data transfer in networking equipment.
Its wide application range is due to its bidirectional voltage translation and high-speed operation.

Package

The 74AVC8T245PW is an 8-bit dual supply translating transceiver from Nexperia, with a TSSOP (Thin Shrink Small Outline Package) type.

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