SN74LVC240ADWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC240ADWR is an octal buffer and line driver manufactured by Texas Instruments, belonging to the LVC logic series. It features eight inputs and eight outputs with three-state capability in a 20-pin SOIC package. The device operates within a supply voltage range of 1.65 V to 3.6 V. Key electrical parameters include a maximum high-level output current of -24 mA and a low-level output current of 24 mA. Static current is specified at 10 uA. Propagation delay is 7.5 ns at 2.7 V and 6.5 ns at 3.3 V. The operating temperature range spans from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering and line driving capabilities with three-state outputs for bus-oriented memory and clock drivers.
• Supports low-voltage operation down to 1.65 V, enabling compatibility with systems requiring reduced power consumption.
• Features CMOS technology for low static power dissipation and high noise immunity.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and clock drivers
• Mobile applications requiring low power consumption
• Portable equipment

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'DWR' corresponds to the tape and reel packaging format required for automated assembly processes. Confirm that the 20-SOIC package dimensions align with the target PCB footprint. Ensure the voltage supply rails remain strictly within the 1.65 V to 3.6 V operational limits to prevent device damage or performance degradation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits that require octal buffering with three-state control at low voltages. Compare propagation delays against system timing requirements, noting the difference between 2.7 V and 3.3 V operation. Consider the 24 mA drive strength for load matching. Evaluate alternative packages if surface area constraints differ from the standard SOIC-20 form factor.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVC240A family of octal buffers and line drivers. It shares functional similarities with other Texas Instruments logic families such as SN74LVT240 and SN74ABT240 but differs in supply voltage ranges and drive characteristics. The LVC series is specifically optimized for low-voltage digital applications compared to higher voltage counterparts.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVC240ADW serves as a tube-packaged equivalent. SN74LVT240ADWR offers similar functionality but requires a 2.7 V to 3.6 V supply. SN74ABT240ADWR provides faster switching speeds but operates at 4.5 V to 5.5 V. Verify pinout compatibility before substitution.