74LVC4245AD

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74LVC4245AD

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Bus Transceivers XCVR 8BIT LVL SHIFTR

  • メーカーNexperia

  • メーカー品番 #74LVC4245AD

  • 在庫状況6226

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
StandardPackQty 30

概要

Description

The 74LVC4245AD is an octal dual-supply translating transceiver featuring non-inverting inputs and outputs. It is designed for asynchronous two-way communication between data buses, suitable for applications requiring translation between different logic levels. The device allows for the bridging of systems with differing voltage requirements by offering dual power supply pins: VCCA (1.2V to 3.6V) and VCCB (1.2V to 5.5V), making it flexible for various interfacing needs.
Key features include eight bidirectional data lines, direction and output enable controls, and the capability to interface directly with TTL devices. The device's high-speed CMOS construction ensures low power consumption and high noise immunity. Its versatility makes it ideal for use in mixed-voltage systems, where it can facilitate communication between components operating at different voltage levels, such as microcontrollers and peripheral devices. The 74LVC4245AD is commonly used in computing and consumer electronics, ensuring reliable data transfer and level translation across connected systems.

Equivalent

The 74LVC4245AD is an 8-bit dual-supply translating transceiver. Equivalent products include:
1. SN74LVC4245A by Texas Instruments
2. MC74LCX4245 by ON Semiconductor
3. ST1LVC4245 by STMicroelectronics
These components generally offer similar functionality and pin-to-pin compatibility, allowing them to be used as substitutes in most applications. Always verify electrical specifications and package type to ensure compatibility in your specific circuit design.

Features

The 74LVC4245AD is an octal dual supply translating transceiver with 3-state outputs. It is designed to allow bidirectional level translation and can operate with a voltage range of 1.2V to 3.6V on the A port and 2.7V to 5.5V on the B port, making it suitable for interfacing between different voltage levels. Key features include:
1. Dual Supply Voltages: Supports interfacing between different voltage levels, with V_CCA for A-port and V_CCB for B-port.
2. 3-State Outputs: Outputs can be set to a high-impedance state, allowing multiple devices to share a common bus.
3. Bidirectional Data Flow: The device can handle data transfer in both directions.
4. High Noise Immunity: Designed with CMOS technology to provide high noise immunity and low static power consumption.
5. Bus Hold on A Port: Eliminates the need for external pull-up resistors on unused inputs.
6. Schmitt Trigger Action: Inputs are capable of handling slower input rise and fall times to improve noise tolerance.
These features make it suitable for applications requiring voltage translation and bus interface.

Pinout

The 74LVC4245AD is an octal dual supply translating transceiver with 3-state outputs. It has a total of 24 pins.
Here is a brief overview of its key functions:
- It allows bidirectional voltage translation between different logic levels (e.g., 3.3V and 5V systems).
- It has two supply pins: VCCA for the A-side (lower voltage) and VCCB for the B-side (higher voltage).
- OE (Output Enable) pin controls the 3-state outputs.
- DIR (Direction) pin determines the direction of data flow between A and B ports.
- A and B are the data ports, with A1 to A8 on the A side and B1 to B8 on the B side.
- GND is the ground pin.
The device is used in applications where voltage level translation is required between different logic families, making it suitable for interfacing between different voltage levels in mixed-signal environments.

Manufacturer

The 74LVC4245AD is manufactured by Nexperia, which is a global semiconductor company. Nexperia specializes in the production of discrete components, logic devices, and MOSFETs (metal-oxide-semiconductor field-effect transistors). The company was founded in 2017 after being spun off from NXP Semiconductors, and it is headquartered in Nijmegen, Netherlands.
Nexperia is known for its focus on efficient manufacturing processes, aiming to produce high-volume semiconductor components that meet the demands of a broad range of applications. These applications include automotive, industrial, computing, consumer electronics, and communications. The company emphasizes quality, reliability, and the continual enhancement of its product portfolio to cater to evolving technological needs. Nexperia operates globally, with manufacturing facilities and sales offices strategically located to serve its international customer base effectively.

Application

The 74LVC4245AD is an octal dual supply translating transceiver, useful in a variety of applications including interfacing mixed-voltage systems, level shifting between different logic levels, and bidirectional data bus communication. It is commonly used in digital electronics where devices with different supply voltages need to communicate, such as interfacing microcontrollers with sensors or peripherals operating at different voltages. The device supports applications in consumer electronics, computing, and industrial control systems, facilitating reliable data transmission in environments where voltage level translation is required. Its ability to handle high-speed data makes it suitable for applications demanding efficient and fast communication.

Package

The 74LVC4245AD is available in a TSSOP-20 package type. TSSOP (Thin Shrink Small Outline Package) is a rectangular, thin, and compact package ideal for high-density applications.

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