74ACQ245SC

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACQ245SC is an octal bidirectional transceiver utilizing FACT Quiet Series technology. It features eight non-inverting buffers with three-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. Propagation delays are guaranteed at 10.5 ns maximum under specified conditions.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Utilizes FACT Quiet Series /c165 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.
• Guarantees simultaneous switching noise levels and pin-to-pin skew AC performance.

Buffers, Drivers, Receivers, Transceivers Applications

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

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering code suffix against the manufacturer's documentation to confirm package type and lead-free status. Confirm that the component meets JEDEC J-STD-020B standards if lead-free packaging is required. Ensure compatibility with the intended system voltage and temperature ranges before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring reduced quiescent supply current and improved latch-up immunity compared to standard ACT devices. The device offers faster propagation delays than the standard ACT245 while maintaining robust noise characteristics suitable for high-density bus architectures.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ACQ/ACTQ family of octal bidirectional transceivers manufactured by Fairchild Semiconductor (now onsemi). It is part of the Quiet Series/G165 line, which emphasizes low noise and high performance through specialized internal circuitry designed to minimize signal integrity issues in complex digital systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers: 74ACT245SC, MC74ACT245DWR2G, CD74ACT245M96, SN74ACT245DWR.

Buffers, Drivers, Receivers, Transceivers FAQ

What technology ensures the quiet output switching of this device?

The device utilizes Fairchild Quiet Series /c165 technology, which includes GTO output control and an undershoot corrector to guarantee quiet output switching.

How does the Output Enable input affect the A and B ports?

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