74AVCH2T45DCTTE4

Overview

The SN74AVCH2T45DCTTE4 is a dual-bit, dual-supply bus transceiver featuring configurable voltage translation and three-state outputs. It operates with supply voltages ranging from 1.2 V to 3.6 V on both ports A and B. The device supports data rates up to 500 Mbps and exhibits a propagation delay of 5.4 ns. It functions within an ambient temperature range of -40°C to +85°C and utilizes an 8-pin SM-8 surface-mount package.

Feature Summary

• Configurable voltage translation between two independent power domains
• Bidirectional data transfer capability across two channels
• Three-state outputs for bus line isolation

Applications

• Mobile applications requiring low-voltage level shifting
• Consumer electronics with mixed voltage logic interfaces
• Industrial processing control systems
• Telecommunications equipment signal translation

Procurement Notes

Verify the specific suffix 'E4' indicates lead-free compliance and RoHS standards during acquisition. Confirm the SM-8 package variant matches the target PCB footprint requirements. Ensure the ordering part number aligns with the required tape-and-reel quantity specifications for the manufacturing process.

Selection Notes

Select this component when interfacing circuits operating at different voltage levels within the 1.2 V to 3.6 V range. The dual-supply architecture allows flexible configuration for various logic families. Consider the 5.4 ns propagation delay for timing-sensitive bidirectional data paths in compact designs.

Part Context

This device belongs to the Texas Instruments 74AVCH series of high-speed bus transceivers. It is designed for efficient voltage translation in space-constrained environments. The part integrates configurable level-shifting capabilities to simplify system design by eliminating external translation components.

Replacement Considerations

SN74AVCH2T45DCUT serves as a direct functional substitute within the same family.