SN74LVC646ADWG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC646ADWG4 is an octal bus transceiver and register manufactured by Texas Instruments. It operates within a supply voltage range of 1.65 V to 3.6 V and features 3-state outputs. The device utilizes LVC logic technology, allowing inputs to accept voltages up to 5.5 V while interfacing with systems operating at lower voltages. It is housed in a 24-SOIC package and supports surface mount installation. The component functions as a non-inverting transceiver with one element containing eight bits per element.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional data transmission between two buses using 3-state outputs
• Features input compatibility with 5-V signals despite low-voltage operation
• Integrates register functionality for data storage during transfer

Buffers, Drivers, Receivers, Transceivers Applications

• Mobile applications requiring low power consumption
• Consumer products utilizing 3.3-V or 2.5-V systems
• Computing platforms needing high-speed data buffering

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix G4 indicates RoHS compliance and green manufacturing status when sourcing. Confirm the 24-SOIC package dimensions match your PCB footprint requirements. Ensure the operating temperature range of -40°C to 85°C aligns with your environmental specifications. Cross-reference the datasheet for exact pinout configurations to prevent installation errors.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between 5-V tolerant logic and 1.65-V to 3.6-V systems. It is suitable for designs requiring octal width data paths with registered output capabilities. Consider the maximum propagation delay characteristics relative to your system clock speeds. Evaluate the 3-state output drive strength against your bus loading requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVC646A series of octal bus transceivers. It is designed for high-density memory and buffer applications. The LVC technology offers improved switching speeds compared to older CMOS families while maintaining low static power dissipation. It serves as a standard interface solution for mixed-voltage digital systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct equivalents such as the SN74LVC646ADWR variant which shares identical electrical characteristics but differs in tube versus tape-and-reel packaging. Verify that any substitute maintains the same 24-SOIC footprint and pin configuration to ensure mechanical compatibility without redesigning the board layout.