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74AVC1T45W6-7

DIO74AVC1T45W6-7

Diodes Incorporated
Voltage Level Translator Bidirectional 1 Circuit 1 Channel SOT-26
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Overview

The 74AVC1T45W6-7 is a single-bit, dual-supply transceiver that allows for bidirectional voltage level translation between 1.2V and 3.6V. It features a tri-state output and is designed to support partial-power-down mode operation with IOFF. This device is suitable for applications requiring reliable voltage translation in a compact SOT-26 package.

Why Choose This Part

This transceiver offers a wide supply voltage range from 1.2V to 3.6V on both sides, making it versatile for many mixed-voltage designs. Its IOFF feature supports partial-power-down mode, which helps reduce current consumption in power-sensitive applications. Additionally, the inputs can accept up to 4.6V, providing a degree of overvoltage tolerance, and it meets robust ESD protection standards.

Applications

I2C or SPI Bus Translation
Enabling communication between microcontrollers or peripherals operating at different voltage levels on an I2C or SPI bus.
UART Level Shifting
Translating logic levels for UART interfaces when connecting devices with mismatched supply voltages, maintaining data integrity.
GPIO Voltage Adaptation
Adapting general-purpose input/output (GPIO) signals between two voltage domains, ensuring proper signal recognition and avoiding overvoltage conditions.
Low-Power Handheld Devices
Providing efficient voltage translation in battery-powered devices where components may operate at various supply rails and power consumption is critical due to its IOFF support.
Mixed-Voltage System Interfacing
Bridging logic levels in systems that integrate components from different technology nodes, such as a 1.8V microcontroller interacting with a 3.3V peripheral.

Key Specifications

Output Type Tri-State
Channel Type Bidirectional
Mounting Type Surface Mount
Package / Case SOT-23-6
Voltage - VCCA 1.2 V ~ 3.6 V
Voltage - VCCB 1.2 V ~ 3.6 V
Translator Type Voltage Level
Number of Circuits 1
Channels per Circuit 1
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package SOT-26

Getting Started

To get started with the 74AVC1T45W6-7, integrate it into your existing PCB design. Connect VCCA and VCCB to the respective supply voltages for the two domains you wish to translate between. The direction (DIR) pin controls the data flow, while the OE (Output Enable) pin can be used to place the outputs in a high-impedance state. Standard PCB design practices for high-speed signals and proper power decoupling should be followed.

Also Consider

SN74AVC1T45 TITexas Instruments - This is a direct alternative from a different manufacturer, offering similar single-bit, dual-supply bidirectional translation with IOFF in a SC-70-6 package.