74ACTQ245SCX

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACTQ245SCX is an octal bidirectional transceiver utilizing FACT Quiet Series technology. It features non-inverting 3-state outputs with a supply voltage range of 4.5V to 5.5V. The device provides 24mA current sinking capability at both ports and operates within a temperature range of -40°C to +85°C. Propagation delay is typically 5.5ns at 5.0V with a 50pF load. The 'X' suffix indicates tape and reel packaging.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Utilizes FACT Quiet Series/G165 technology for quiet output switching and improved dynamic threshold performance.
• Features GTO output control and undershoot correction for superior noise immunity.
• Provides split ground bus architecture to minimize simultaneous switching noise.
• Includes Output Enable input for easy cascading and bus isolation.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented applications requiring bidirectional data transfer
• Memory address registers buffering
• High-speed asynchronous two-way data communication

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering code against manufacturer documentation to confirm package type and lead-free status. Ensure the 'X' suffix requirement matches the intended tape and reel configuration. Cross-reference RoHS compliance details with the latest JEDEC standards before finalizing procurement specifications.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring reduced quiescent current and lower simultaneous switching noise compared to standard ACT logic. The device is suitable for systems needing balanced propagation delays and high latch-up immunity. Verify that the 4.5V to 5.5V operating voltage aligns with the system power rails.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ACTQ series, which integrates Fairchild's Quiet Series technology into the standard ACT logic family. It serves as an octal bus transceiver designed to improve dynamic threshold performance while maintaining pin-to-pin compatibility with existing ACT245 implementations.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The datasheet lists the 74ACTQ245SC (tube) as a similar package option. Other variants in the 74ACTQ family include QSOP, SSOP, TSSOP, and PDIP packages. Verify functional equivalence and package dimensions when substituting.

Buffers, Drivers, Receivers, Transceivers FAQ

What does the 'X' suffix indicate for this part number?

The 'X' suffix indicates that the device is available in Tape and Reel packaging.

How does the device handle simultaneous switching noise?

It utilizes FACT Quiet Series/G165 technology, featuring GTO output control and undershoot correction to guarantee quiet output switching and improved dynamic threshold performance.