SN74HC240ANS

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC240AN is an octal buffer and line driver manufactured by Texas Instruments, belonging to the HC logic series. It features eight input lines and eight output lines with inverting polarity. The device utilizes a 20-pin PDIP package designed for through-hole mounting. Electrical specifications include a supply voltage range of 2 V to 6 V, high-level output current of -7.8 mA, and low-level output current of 7.8 mA. Static current is specified at 8 uA, with an operating power supply current of 80 uA. The component operates within a temperature range of -40 C to +85 C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering and line driving capabilities with three-state outputs
• Features inverting polarity for signal inversion applications
• Supports through-hole installation via standard DIP packaging

Buffers, Drivers, Receivers, Transceivers Applications

• General-purpose digital signal buffering
• Line driving for bus systems
• Inverting logic level translation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to confirm package type and electrical characteristics. Ensure compatibility with required PCB footprint dimensions for the specific variant. Confirm RoHS compliance status if environmental regulations apply to the target assembly. Cross-reference datasheet revisions to validate parameter consistency before final procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when through-hole mounting is required for octal buffering applications. Verify that the 2V to 6V supply voltage range aligns with system power rails. Consider the 7.8 mA drive capability for load requirements. Evaluate thermal performance within the specified -40 C to +85 C operating range for the intended environment.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the Texas Instruments SN74HC240 family of octal buffers and line drivers. It is part of the broader 74HC logic series, which offers CMOS technology for low power consumption and high noise immunity. The family includes various package options such as SOIC and TSSOP, with the AN suffix specifically denoting the PDIP configuration.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC240NSR is listed as a direct replacement option.