74LVX4245TTR

Translators, Level Shifters Overview

The 74LVX4245TTR is an octal dual supply bus transceiver manufactured by STMicroelectronics in a 24-pin TSSOP package. It interfaces between a 5V A-port and a 3.3V B-port using C2MOS technology. The device supports bidirectional asynchronous communication controlled by a DIR input, with an enable input (G) for bus isolation. Operating voltage ranges are VCCA from 4.5V to 5.5V and VCCB from 2.7V to 3.6V. Propagation delay is 8.5ns maximum at VCCA=5.0V and VCCB=3.3V.

Translators, Level Shifters Feature Summary

• Configurable bidirectional data transmission between two independent power domains
• Symmetrical output impedance ensuring balanced drive capabilities
• Balanced propagation delays for consistent signal timing
• Enhanced latch-up immunity for improved reliability

Translators, Level Shifters Applications

• Interface between 5V buses and 3.3V buses in mixed supply systems
• Two-way asynchronous communication between data buses
• Level translation in mixed voltage logic environments

Translators, Level Shifters Procurement Notes

Verify the component matches the specific 24-pin TSSOP package configuration. Confirm that the operating conditions align with the specified voltage ranges for both power supplies. Ensure static discharge protection requirements are met for the intended application environment.

Translators, Level Shifters Selection Notes

Select this component when interfacing distinct voltage domains requiring high-speed data transfer. Consider the low power dissipation characteristics for energy-efficient designs. Evaluate the pin compatibility with standard 74 series devices if existing layouts require minimal modification.

Translators, Level Shifters Part Context

This part belongs to the 74LVX family of low-voltage CMOS logic devices. It provides a robust solution for translating signals between different voltage levels while maintaining high performance. The design utilizes advanced sub-micron silicon gate technology to achieve speed without excessive power consumption.

Translators, Level Shifters Replacement Considerations

Check for functional equivalents such as the 74LVXC4245 or other octal bus transceivers from different manufacturers. Verify pinout compatibility and ensure the replacement meets the same voltage and speed specifications.