TXS0108E 8-Channel Logic Level Shifter 3.3V 5V | Raspberry Pi

The TXS0108E 8-Channel Bi-Directional Logic Level Shifter is the go-to module for makers, hobbyists, and engineers who need seamless voltage translation between 3.3V and 5V systems. Whether you're working with a Raspberry Pi, Arduino, microcontroller, SD card interface, or SPI/I²C peripheral, this compact module keeps your signals clean, fast, and fully bi-directional.

Made in Mainland China.

Key Features

• Universal Voltage Translation: Converts logic levels between 3.3V and 5V (and other common voltages), making it compatible with a wide range of microcontrollers, sensors, and modules.
• Eight Independent Channels: Each of the 8 channels can be individually configured as input or output, giving you maximum flexibility for complex, multi-signal circuit designs.
• High-Speed Full-Duplex Operation: Engineered for rapid data transfer, the TXS0108E ensures fast, reliable level shifting — ideal for time-sensitive communication protocols.
• Low Power Consumption: Efficient design minimises energy draw without sacrificing performance, keeping your project's power budget in check.
• Built-In Over-Voltage & Over-Current Protection: Integrated protection circuits guard both the module and your connected devices against electrical surges and interference.
• Wide Voltage Support:
  • VCCA terminal: 1.2V – 3.6V
  • VCCB terminal: 1.65V – 5.5V
• OE Enable Pin: Output Enable (OE) is active-high; connect to the low-voltage side IO port for best results.

Common Applications

• 5V MCU ↔ 3.3V module communication (and vice versa)
• MCU ↔ SD card communication level shifting
• MCU ↔ I²C / SPI serial device level conversion
• Raspberry Pi and Arduino GPIO voltage bridging
• 1.8V ↔ 3.3V level conversion for low-power devices

Specifications

What's in the Box

• 1 × TXS0108E Logic Level Converter Module

Please Note: Due to variations in monitor settings and lighting, the actual colour of the item may differ slightly from product images. Please allow ±1–2 cm measurement tolerance due to manual measurement.

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For more information on electronics safety standards and best practices for electronic components, visit the U.S. Consumer Product Safety Commission – Electrical Safety.

Frequently Asked Questions

Q: What is the TXS0108E logic level shifter used for?

A: The TXS0108E logic level shifter is used to convert signal voltages between different logic levels — most commonly between 3.3V and 5V systems. This allows microcontrollers, sensors, and modules operating at different voltages (such as a 5V Arduino and a 3.3V Raspberry Pi GPIO) to communicate reliably without damaging components.

Q: Is the TXS0108E module truly bi-directional?

A: Yes. The TXS0108E features 8 fully bi-directional, auto-sensing channels. Each channel automatically detects signal direction, so you don't need to manually configure input or output direction — it handles the conversion seamlessly in both directions.

Q: What voltage ranges does this logic level converter support?

A: The VCCA (low-voltage) side supports 1.2V to 3.6V, while the VCCB (high-voltage) side supports 1.65V to 5.5V. This makes it suitable for 1.8V, 2.5V, 3.3V, and 5V logic systems — covering the vast majority of modern microcontrollers and peripherals.

Q: Is this module compatible with Raspberry Pi and Arduino?

A: Absolutely. The TXS0108E logic level shifter is widely used with Raspberry Pi (3.3V GPIO) and Arduino (5V logic), as well as other popular development boards. It bridges the voltage gap between these platforms, enabling reliable, high-speed communication for projects involving I²C, SPI, UART, and other protocols.

Q: How many channels does this module have?

A: This module features 8 independent bi-directional channels. Each channel can carry a separate signal, making it ideal for multi-line communication buses or projects that require multiple simultaneous voltage-translated signals.