MC74ACT623M

Overview

The MC74ACT623M is an octal bus transceiver manufactured by onsemi, belonging to the 74ACT logic family. It features eight bidirectional data channels with three-state outputs, designed for high-speed data transfer applications. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports surface-mount installation in SOIC-24 packages. It provides low input capacitance and fast propagation delays suitable for memory and microprocessor systems.

Feature Summary

• Octal bidirectional data transmission capability
• Three-state output design for bus line isolation
• High-speed switching performance

Applications

• Memory module data buses
• Microprocessor system interconnects
• Control signal routing

Procurement Notes

Verify the package type matches the required footprint, as variations exist between tube and bulk packaging formats. Confirm the specific suffix indicates the correct reel or tube configuration for automated assembly processes. Ensure the component date code aligns with manufacturing requirements.

Selection Notes

Select this component when an octal width is required for bidirectional data paths. The ACT series offers faster switching speeds compared to standard HC variants while maintaining CMOS compatibility. Verify that the operating voltage environment strictly adheres to the 4.5 V to 5.5 V specification for optimal performance.

Part Context

This part belongs to the broader 74ACT logic family, which bridges the performance gap between older TTL standards and modern CMOS technologies. It is categorized under bus transceivers and drivers, serving critical roles in digital circuit architecture where data directionality and signal integrity are paramount.

Replacement Considerations

Cross-reference with other octal bus transceivers from the same logic family. Verify pinout compatibility before substitution. Check if alternative manufacturers offer equivalent electrical characteristics and package dimensions.