74ACT245MSAX

Buffers, Drivers, Receivers, Transceivers Overview

The DM74ACT245MSA is an octal bidirectional transceiver manufactured by Fairchild Semiconductor. It features eight 3-state logic elements configured for asynchronous two-way communication between data buses. The device utilizes advanced silicon-gate CMOS technology and operates within a voltage range of 2.0V to 5.5V. It includes direction control (DIR) and active-low output enable (G) inputs to manage data flow and bus isolation. The component is housed in a 20-pin SOIC package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Advanced silicon-gate CMOS technology ensures low power consumption and high noise immunity.
• Bidirectional data transfer capability controlled by dedicated direction input signals.
• High drive current outputs facilitate operation with large bus capacitances.
• Outputs enter high-impedance states when disabled, effectively isolating the buses.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory systems
• Microprocessor systems
• Asynchronous bidirectional data buses

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against manufacturer documentation to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status as required by project standards. Ensure the sourcing channel provides original manufacturer traceability. Check for any recent part number changes resulting from corporate integrations.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring robust bidirectional buffering with low quiescent current. The wide supply voltage range supports both 3.3V and 5V logic interfaces. Verify that the package dimensions fit the target PCB layout constraints. Consider the propagation delay characteristics relative to system clock speeds.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ACT series of high-speed CMOS logic components. It serves as a standard interface solution for connecting microprocessors to memory or peripheral devices. The octal configuration allows simultaneous handling of full byte-wide data transfers across digital buses.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Equivalent parts include MC74ACT245 and MM74ACT245. Verify pinout compatibility before substitution. Ensure replacement units meet the same electrical specifications for voltage and drive current.