74LVC1T45

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74LVC1T45

+物料清單

Translation - Voltage Levels

  • 製造商二極體公司

  • 製造商部分 #74LVC1T45

  • 有存貨16553

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概述

Description

The 74LVC1T45 is a single-bit, dual-supply bus transceiver designed for translating logic levels between different voltage domains. It belongs to the 74LVC family of low-voltage CMOS devices. This chip is particularly useful for interfacing components with differing power supply requirements, as it supports voltage translation between 1.2V to 5.5V on either side of the I/O.
Key features include direction control, allowing for bidirectional data flow, and a high-speed data rate, making it suitable for high-performance applications. The device is typically used in applications like mobile phones, computing, and other portable electronics where differing voltage levels need to be managed efficiently.
Its design ensures low power consumption and high noise immunity, making it ideal for battery-powered devices. Additionally, the 74LVC1T45 offers over-voltage tolerant inputs (up to 5.5V) regardless of the supply voltage, adding robustness to its operation. Common packages include SOT-23 and SC-70, allowing for easy integration into compact circuit designs.

Equivalent

The 74LVC1T45 is a single-bit dual supply translating transceiver with configurable voltage translation. Equivalent products include:
1. SN74LVC1T45 from Texas Instruments
2. MC74LVXT1T45 from ON Semiconductor
3. 74AXP1T45 from Nexperia
4. GTLP1T45 from Diodes Incorporated
These alternatives provide similar voltage level translation and functionality across different suppliers. Always check specific datasheets for pin compatibility and electrical characteristics.

Features

The 74LVC1T45 is a single-bit bidirectional voltage level translator with configurable direction. It is designed to translate signals between different voltage levels from 1.2V to 5.5V. Key features include:
1. Bidirectional Translation: Allows for seamless level shifting in both directions, making it versatile for various applications.
2. Wide Voltage Range: Supports a wide range of input and output voltages, accommodating 1.2V to 5.5V.
3. Enable Pin: Includes an output enable (OE) pin for controlling the data flow direction, enhancing flexibility.
4. High-Speed Operation: Capable of operating at high frequencies, making it suitable for fast data transfer applications.
5. Low Power Consumption: Designed for low power dissipation, ensuring energy efficiency.
6. Compact Package: Available in small package options like SOT and XSON, suitable for space-constrained designs.
7. Robust Performance: Features such as over-voltage tolerant inputs and high drive capabilities enhance its reliability.
These features make the 74LVC1T45 ideal for interfacing components with different logic levels in mixed-voltage systems.

Pinout

The 74LVC1T45 is a single-bit dual-supply bus transceiver designed for asynchronous communication between data buses. It has a total of 6 pins. This device allows for bidirectional level shifting and is commonly used for voltage translation between different parts of a digital circuit.
The functions of the pins are as follows:
1. VCCA: Supply voltage for the A-side, can operate from 1.2V to 3.6V.
2. GND: Ground reference for both sides.
3. A: Data input/output (I/O) on the A-side.
4. DIR: Direction control input, determining the data flow direction (from A to B or B to A).
5. B: Data input/output (I/O) on the B-side.
6. VCCB: Supply voltage for the B-side, can operate from 1.65V to 5.5V.
The 74LVC1T45 facilitates communication between components operating at different voltage levels, making it suitable for mixed-voltage systems. Its direction control and dual supply configuration enable flexible data routing and voltage level translation.

Manufacturer

The 74LVC1T45 is manufactured by Nexperia. Nexperia is a global semiconductor company that specializes in producing discrete devices, logic devices, and MOSFETs. Originally part of NXP Semiconductors, Nexperia became an independent company in 2017 after being bought by a consortium led by a Chinese investment firm. Nexperia focuses on efficiency and performance in its semiconductor components, catering to a wide range of applications in automotive, industrial, consumer, computing, and communication sectors.

Application

The 74LVC1T45 is a single-bit dual-supply transceiver designed for voltage level translation applications. Its primary application areas include:
1. Mixed-Voltage Systems: Facilitates communication between components operating at different voltage levels, such as 1.2V to 5.5V.
2. Portable Devices: Used in smartphones, tablets, and other portable electronics for efficient low-power voltage level translation.
3. Data Communication: Ensures compatibility between legacy devices and modern components in communication interfaces.
4. IoT Devices: Enables integration of diverse sensors and modules with varying voltage requirements.
5. Automotive Electronics: Supports in-vehicle networks with mixed-voltage systems.
These applications benefit from the device's bidirectional data flow and ability to handle diverse voltage levels efficiently.

Package

The 74LVC1T45 is typically available in small surface-mount packages such as the SOT-23-6 or SOT-353. These compact package types are designed for efficient use of board space in electronic circuits.

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