74ACTQ245QSC

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACTQ245QSC is an octal bidirectional transceiver utilizing FACT Quiet Series/G165 technology. It features eight non-inverting buffers with 3-STATE outputs, designed for bus-oriented applications. The device operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature from -40°C to +85°C. It provides a current sinking capability of 24 mA at both A and B ports. The component is housed in a 20-Lead Quarter Size Outline Package (QSOP).

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Utilizes FACT Quiet Series/G165 technology to guarantee quiet output switching and improved dynamic threshold performance.
• Features GTO output control and undershoot corrector for superior noise immunity.
• Includes split ground bus architecture to enhance overall circuit performance.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented data communication systems
• Driving bus lines
• Buffering memory address registers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific QSOP package designation (MQA20) against mechanical constraints. Confirm that the 4.5V to 5.5V supply requirement aligns with system power rails. Ensure thermal management meets the -40°C to +85°C operational range. Validate pinout compatibility with existing PCB layouts before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when low simultaneous switching noise is critical. The ACTQ variant ensures TTL-compatible input thresholds while maintaining CMOS output drive capabilities. Consider the compact QSOP footprint if board space is limited compared to standard SOIC packages.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ACTQ family, which integrates advanced logic technologies for high-speed digital applications. It serves as a robust solution for managing bidirectional data flow across multiple buses while minimizing electromagnetic interference through specialized internal circuitry.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check datasheets for 74ACT245 equivalents from other manufacturers to ensure pinout and electrical parameter compatibility. Verify package dimensions match the QSOP form factor if substituting with parts in different physical enclosures.

Buffers, Drivers, Receivers, Transceivers FAQ

How does the GTO feature improve performance?

The GTO (Gate Turn-Off) output control works with the undershoot corrector to minimize output noise during switching transitions, ensuring cleaner signal integrity on the bus.

What is the function of the split ground bus?

The split ground bus design helps reduce ground bounce and improves dynamic threshold performance, contributing to the device's overall noise immunity.