74ACQ245SC

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ACQ245SC is an octal bidirectional transceiver featuring three-state outputs. It operates within a supply voltage range of 2.0 V to 5.5 V and supports TTL-compatible input levels. The device provides high drive capability with output currents of ±12 mA at 5.0 V. It exhibits a maximum propagation delay of 8 ns and low power consumption, with a maximum quiescent current of 20 µA. The component is housed in a 20-pin SOIC package and functions as a non-inverting bus transceiver for digital signal transmission.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional data transfer capability with three-state outputs
• TTL-compatible input thresholds for versatile logic interfacing
• High drive strength supporting loads up to 12 mA
• Low power dissipation characteristics suitable for battery-operated systems

Buffers, Drivers, Receivers, Transceivers Applications

• Memory mapping control circuits
• Clock drivers and buffer stages
• Bus-oriented communications interfaces
• Multiplexer selection logic

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific manufacturer source, as this part number appears in records from both Fairchild Semiconductor and onsemi due to corporate acquisitions. Confirm the exact datasheet version and RoHS compliance status directly with the supplier. Ensure the package type matches the required PCB footprint. Check for any obsolescence notices or lifecycle status updates before finalizing procurement plans.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal bidirectional interface with three-state isolation is required. It is suitable for applications needing TTL input compatibility and moderate speed performance. Consider the 20-pin SOIC package constraints for board layout. Evaluate the 2.0 V to 5.5 V operating range against system power requirements. Compare drive current needs against the specified 12 mA limit.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the ACQ series of CMOS logic components, designed for quiet operation and low power consumption. It serves as a standard solution for expanding bidirectional data paths in digital systems. The octal configuration allows simultaneous transfer of eight bits across a bus structure.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74ACT245SC is a related variant within the same product family offering similar functionality but potentially different electrical specifications regarding voltage and speed.