SN74HCT646DW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT646DW is an octal bus transceiver and register manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features three-state outputs. The device utilizes HCT logic, ensuring TTL-compatible inputs while maintaining CMOS low power consumption characteristics. It provides bidirectional data transmission across eight bits with independent control capabilities. The component is housed in a 24-pin SOIC package and supports surface-mount installation for compact circuit designs.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver functionality with integrated registration capability
• Three-state outputs allowing direct connection to system buses
• TTL-compatible input levels for broad interface compatibility

Buffers, Drivers, Receivers, Transceivers Applications

• Bidirectional data communication on microprocessor systems
• Memory-to-memory or memory-to-I/O transfers
• Bus-oriented architectures requiring registered data storage

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DW' corresponds to the 24-SOIC package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the design accounts for the specified operating temperature range and supply voltage constraints defined in the technical datasheet.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring high-speed octal data transfer with registered output stability. The HCT series ensures compatibility with standard TTL logic families. Consider the SOIC-24 footprint for PCB layout planning. Verify that the required propagation delay and drive current meet the specific system timing requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HCT646 family of octal bus transceivers. It shares functional similarities with other ABT and LVT variants but differs in speed and voltage specifications. The HCT technology offers a balance between performance and power efficiency suitable for general-purpose digital logic applications.