74AVCB164245GRG4

Overview

The SN74AVCB164245GRG4 is a dual 8-bit bus transceiver from the AVC logic family, featuring configurable voltage translation and three-state outputs. It operates on two independent power supplies ranging from 1.4 V to 3.6 V, enabling bidirectional data transfer between buses with different voltage levels. The device utilizes a 48-pin TSSOP package and supports an operating temperature range of -40 °C to +85 °C.

Feature Summary

• Configurable voltage translation allows operation across various supply voltages for seamless interface between different logic families.
• Dual independent power supply architecture enables flexible level shifting between dissimilar voltage domains.
• Three-state outputs provide high-impedance states to prevent bus contention during inactive periods.

Applications

• Bidirectional level shifting between disparate voltage buses
• Voltage translation in mixed-signal systems
• High-speed data routing in portable electronics

Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's current datasheet to confirm lead-free compliance and RoHS status. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Cross-reference the component marking code with official documentation to authenticate the source and avoid counterfeit components.

Selection Notes

Select this component when interfacing between logic families requiring distinct supply voltages within the 1.4 V to 3.6 V range. The dual-supply design accommodates complex system architectures needing multiple voltage rails. Evaluate the propagation delay specifications against your maximum clock frequency requirements to ensure signal integrity is maintained across the translation boundary.

Part Context

This device belongs to Texas Instruments' AVC series, designed for low-voltage applications. It serves as a bridge for communication between subsystems operating at different potential levels. The dual 8-bit configuration provides efficient data path management for wide-bus interfaces commonly found in modern digital processing units.

Replacement Considerations

SN74AVCB164245GRE4

FAQ

What is the function of the G4 suffix?

The G4 suffix indicates that the device is manufactured using lead-free materials and complies with RoHS standards.

How does the device handle voltage differences?

It uses two independent power supplies (VCCA and VCCB) to facilitate bidirectional data transfer between buses operating at different voltage levels.