SN74HCS240QPWRQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCS240QPWRQ1 is an automotive-grade octal inverting line driver featuring Schmitt-trigger inputs and three-state outputs. It operates within a supply voltage range of 2 V to 6 V, with a typical quiescent current of 100 nA. The device provides balanced output drive capabilities of ±7.8 mA at 6 V. Propagation delay ranges from 6 ns to 45 ns depending on the supply voltage. It is qualified under AEC-Q100 standards for Grade 1, supporting ambient temperatures from -40°C to +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Schmitt-trigger inputs provide high noise immunity and tolerance for slow or noisy input signals.
• Three-state outputs allow multiple drivers to share a bus by enabling high-impedance states via active-low OE pins.
• Low power consumption design ensures minimal static current draw during operation.

Buffers, Drivers, Receivers, Transceivers Applications

• Enabling or disabling digital signals in automotive systems
• Eliminating slow or noisy input signals through hysteresis filtering
• Holding signals stable during controller reset sequences
• Switch debounce applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify that the component carries the Q1 suffix indicating automotive qualification. Confirm the package type matches the required PCB footprint, specifically the TSSOP-20 variant for this part number. Ensure the supplier provides traceability documentation compliant with AEC-Q100 standards. Check for RoHS compliance status as specified in the manufacturer's ordering information.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when driving long traces or transmission lines requiring signal inversion and noise rejection. The wide operating voltage range supports various logic families. Consider the propagation delay specifications relative to system timing requirements. Ensure the output load capacitance remains within recommended limits to maintain signal integrity.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74HCS240-Q1 family of high-speed CMOS logic. It is designed specifically for automotive electronics applications requiring robust performance across extreme temperature variations. The HCS series combines the speed of HCMOS with the low power characteristics of standard CMOS technology.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for SN74HCS240PW-Q1 as a potential alternative if package variations are acceptable. Verify pin compatibility and electrical specifications before substitution. Ensure any replacement maintains the same AEC-Q100 qualification level for automotive reliability.