74ACQ245SJX

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACQ245SJX is an octal bidirectional transceiver utilizing FACT Quiet Series 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 2.0V to 6.0V 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 Small Outline Package (SOP) with EIAJ TYPE II dimensions.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Utilizes FACT Quiet Series/G165 technology to ensure quiet output switching and improved dynamic threshold performance.
• Features GTO output control and undershoot corrector mechanisms alongside a split ground bus architecture.
• Provides guaranteed simultaneous switching noise levels and pin-to-pin skew AC performance.
• Offers enhanced latch-up immunity compared to standard logic families.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented data transmission systems
• Memory address register buffering
• High-speed digital signal routing

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering code suffix against manufacturer documentation to confirm package type and reel specifications. Confirm RoHS compliance status as indicated by JEDEC standards. Ensure the selected variant matches the required lead-free or standard packaging configuration for your assembly process.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when low electromagnetic interference and high noise immunity are critical requirements. The device is suitable for designs requiring robust latch-up protection and precise timing skew control across multiple channels. Consider the wide supply voltage range for flexible power domain integration.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ACQ/ACTQ family of octal bus transceivers manufactured under Fairchild Semiconductor's Quiet Series technology. The series is engineered to reduce quiescent current and output leakage significantly while maintaining high-speed performance characteristics suitable for complex digital interfaces.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Standard ACT245 variants may be considered if noise performance requirements are less stringent. Verify pin compatibility and electrical parameter alignment before substitution.

Buffers, Drivers, Receivers, Transceivers FAQ

What technology ensures the quiet output switching performance?

The device utilizes FACT Quiet Series/G165 technology, which includes GTO output control and an undershoot corrector.

How does the Output Enable input function?

When the Output Enable input is HIGH, it disables both A and B ports by placing them in a HIGH-Z state.