74FST3345DT

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74FST3345DT is an 8-bit bus switch integrated circuit belonging to the 74FST logic family. It provides high-speed CMOS TTL-compatible bus switching with low on-resistance, enabling inputs to connect to outputs without adding propagation delay or generating additional ground bounce noise. The device features four switch connections between two ports and includes control inputs compatible with TTL levels. It operates within a supply voltage range of 2.7V to 3.6V and is housed in a 24-pin SSOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight bits of high-speed CMOS bus switching functionality
• Features low on-resistance for minimal signal degradation
• Includes control inputs compatible with TTL logic levels
• Ensures zero bounce operation in flow-through mode

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data bus interconnects
• Portable battery-powered systems
• Consumer electronics requiring low power consumption
• Industrial control systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DT' against the manufacturer's current datasheet to confirm the exact package type and tape-and-reel specifications. Confirm RoHS compliance status as manufacturing standards may evolve. Check for obsolescence notices or product change notifications (PCN) prior to finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits that require bidirectional data transfer with minimal insertion loss. Ensure the system voltage aligns with the 2.7V to 3.6V operating range. Consider the 24-pin SSOP footprint during PCB layout planning to ensure adequate clearance and thermal management for the surface-mount package.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74FST series, which combines the speed of bipolar logic with the low power consumption of CMOS technology. The 74FST3345 specifically addresses applications needing fast switching speeds while maintaining compatibility with standard TTL logic levels, making it suitable for modern digital interfaces.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include the FST3345WMX from onsemi. Other compatible options may include equivalent 8-bit bus switches from Fairchild Semiconductor or Nexperia, provided pinouts and electrical characteristics match the original design requirements.