74ACT245SC

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACT245SC is an octal bidirectional transceiver belonging to the 74ACT logic series. It features eight non-inverting buffers with three-state outputs designed for bus-oriented applications. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports TTL input levels while providing CMOS output levels. It exhibits a propagation delay of 8 ns and delivers a low-level output current of 24 mA alongside a high-level output current of -24 mA. The component is housed in a 20-SOIC package and functions reliably across an operating temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional data transfer capability between A and B ports controlled by direction inputs
• Three-state outputs allowing connection to shared bus lines without interference
• TTL-compatible input thresholds ensuring interoperability with standard logic families
• High drive strength at both ports supporting direct load driving requirements

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented data transmission systems
• Memory interface circuits
• I/O port expansion modules

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix SC indicates the SOIC-20 surface mount package configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the procurement channel provides valid traceability records for the 74ACT245SC part number to guarantee authenticity and quality standards.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal width is required for bidirectional bus architectures. The ACT series offers faster switching speeds compared to standard AC variants. Verify that the 4.5 V to 5.5 V supply voltage aligns with the system power rails. Ensure the 20-SOIC footprint matches the printed circuit board layout constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This device is part of the broader 74ACT245 family of octal bus transceivers manufactured by onsemi. It shares functional similarities with other members like the 74ACT245SJX but differs in packaging and orientation. The 74ACT designation signifies advanced CMOS technology optimized for high-speed digital applications requiring precise timing control.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74ACTQ245SC is listed as a discontinued alternative with similar specifications. Other potential substitutes include MC74ACT245DWR2G and SN74ACT245DWR, though these may utilize different package types such as SOIC or TSSOP.