SN74AC240PW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AC240PW is an octal buffer and line driver manufactured by Texas Instruments, belonging to the AC logic series. It features eight unidirectional channels with inverted outputs and three-state capability. The device operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a TSSOP-20 package. Key electrical specifications include a propagation delay of 8 ns, output currents of ±24 mA, and a maximum static current of 4 µA. It functions reliably across an industrial temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight unidirectional signal paths with inverted logic polarity for data routing applications.
• Integrates three-state outputs to facilitate bus-oriented communication and system isolation.
• Delivers symmetrical drive strength with high noise immunity suitable for transmission line driving.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented systems requiring bidirectional data transfer control
• Clock drivers and buffering circuits for timing signals
• Memory address and data register drivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and environmental compliance. Ensure the component matches the required logic family specifications for your design. Cross-reference the datasheet revision date to validate parameter accuracy before integration into production schedules.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems that require wide supply voltage flexibility between 2 V and 6 V. The AC series offers a balance of speed and power consumption compared to standard TTL or older CMOS families. Consider the TSSOP-20 footprint constraints and thermal requirements during the PCB layout phase to ensure reliable operation.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Texas Instruments SN74AC240 family of octal buffers. It shares functional compatibility with legacy 74240 designs while utilizing advanced CMOS technology. The device serves as a direct replacement for older bipolar implementations in modern low-power digital circuits, maintaining pinout consistency for ease of migration.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AC240PWR is available as a reel-packaged alternative from the same manufacturer. Verify that any substitute maintains identical pin configurations and electrical characteristics to ensure circuit compatibility without redesign.