74ACT240PC

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ACT240PC is an octal buffer and line driver featuring inverting 3-STATE outputs. It operates within a supply voltage range of 4.5 V to 5.5 V, with propagation delays of 8.5 ns at 5 V. The device provides high drive capability, sourcing and sinking 24 mA. It utilizes a PDIP-20 package for through-hole mounting and supports an operating temperature range from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration designed for memory address drivers, clock drivers, and bus-oriented transmitters or receivers.
• Inverting 3-STATE outputs enable connection to bus lines or buffering of memory address registers.
• Outputs provide robust drive capability by sourcing and sinking 24 mA.
• ACT inputs are TTL-compatible, ensuring interface compatibility with standard logic families.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus-oriented transmitters
• Bus-oriented receivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'PC' confirms the PDIP-20 through-hole package variant. Confirm the manufacturer designation as Fairchild Semiconductor or its successor entity, ON Semiconductor, due to historical integration. Ensure the component meets the required industrial temperature range specifications for the intended deployment environment.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal buffer with inverting functionality and 3-STATE control is required. It is suitable for applications needing improved PC board density and TTL-compatible inputs. Consider the through-hole packaging constraint if surface-mount alternatives are not viable for the assembly process.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ACT logic family, which combines AC speed with ACT low power consumption. It serves as a standard octal buffer solution for digital systems requiring signal isolation or driving capabilities across multiple parallel lines simultaneously.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Equivalent parts include the SN74ACT240DW (Texas Instruments) and the 74ACT240MTC (ON Semiconductor). Verify pinout compatibility and package dimensions before substitution.