SN74AVCB164245KR

Translators, Level Shifters Overview

The SN74AVCB164245KR is a 16-bit dual-supply bus transceiver from the Texas Instruments AVCB logic family. It features configurable voltage translation and three-state outputs, supporting operation across a wide supply voltage range of 1.4 V to 3.6 V for both ports A and B. The device provides bidirectional data transfer with a maximum propagation delay of 3.1 ns at 30 pF load. It includes an integrated level translator that uses the VCCA supply voltage as the reference for input high and low levels, enabling seamless interface between different voltage domains without requiring external direction control signals.

Translators, Level Shifters Feature Summary

• Configurable voltage translation using the VCCA supply rail as the input reference level
• Dual independent power supply rails allowing flexible interfacing between varying voltage domains
• Bidirectional data transfer capability with automatic direction sensing via the level translator

Translators, Level Shifters Applications

• Mobile applications requiring low-voltage operation
• Consumer electronics utilizing mixed voltage logic levels
• Computing platforms needing efficient voltage domain bridging

Translators, Level Shifters Procurement Notes

Verify the specific suffix 'KR' against official Texas Instruments documentation to confirm the exact package type and tape-and-reel specifications. Ensure the ordering part number matches the required temperature grade and packaging format for your manufacturing process. Cross-reference with the latest datasheet revision to confirm availability and compliance status.

Translators, Level Shifters Selection Notes

Select this component when designing systems that require bidirectional translation between two independent power supplies within the 1.4 V to 3.6 V range. The built-in level translator simplifies design by eliminating the need for external direction control pins. Consider the 3.1 ns propagation delay and output drive capabilities when determining signal integrity requirements for your specific bus topology.

Translators, Level Shifters Part Context

This device belongs to the Texas Instruments AVCB series, which is optimized for low-voltage mobile and consumer applications. The AVCB family offers improved performance over previous generations while maintaining compatibility with standard logic interfaces. The dual-supply architecture allows for efficient power management in systems where different subsystems operate at distinct voltage levels.

Translators, Level Shifters FAQ

How does the SN74AVCB164245KR determine data transmission direction?

The device utilizes an integrated level translator that automatically senses the direction of data flow based on the voltage difference between Port A and Port B, eliminating the need for an external direction control pin.

What is the function of the VCCA supply voltage in this transceiver?

The VCCA supply voltage serves as the reference level for the input thresholds (VIH and VIL) on Port A, ensuring proper logic level recognition regardless of the voltage applied to Port B.