74ACT245MSA

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACT245MSA is an octal bidirectional bus transceiver belonging to the ACT logic series. It features a 20-SSOP surface-mount package and provides non-inverting data transmission across eight channels. The device operates within a supply voltage range of 4.5 V to 5.5 V, supporting TTL input levels and CMOS output levels. Key electrical specifications include a propagation delay of 8 ns, with maximum low-level and high-level output currents of 24 mA and -24 mA, respectively. It functions reliably within an operating temperature range of -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional data transfer capability for parallel bus systems
• ACT logic family performance with TTL-compatible inputs and CMOS outputs
• High drive strength suitable for direct interface with loads

Buffers, Drivers, Receivers, Transceivers Applications

• Parallel data bus transceivers in computing architectures
• Memory module data buffering and direction control
• I/O port expansion interfaces requiring bidirectional flow

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'MSA' corresponds to the 20-SSOP package configuration during sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor certificates. Ensure the component meets the required industrial temperature grade specifications for the intended deployment environment before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high-speed octal data transfer between TTL and CMOS domains. The ACT series offers superior speed compared to standard HC logic while maintaining compatible pinouts. Evaluate the 24 mA drive current against load requirements to ensure signal integrity without external buffering components.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the widely adopted 74ACT245 family of bus transceivers. It serves as a standard solution for managing data flow in digital circuits where bidirectional communication is essential. The ACT series bridges the gap between older TTL standards and modern CMOS technologies, providing reliable performance in mixed-voltage logic environments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include the 74ACT245SC (SOIC-20) and 74ACT245SJX (SOP-20). Verify that alternative packages maintain identical electrical characteristics and pinout configurations to ensure seamless integration into existing designs.