SN74HCS245QWRKSRQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCS245QWRKSRQ1 is an automotive-grade octal bus transceiver featuring Schmitt-trigger inputs and three-state outputs. It operates within a supply voltage range of 2 V to 6 V and supports an ambient temperature range from -40°C to +125°C. The device utilizes a 20-pin VQFN (WRKS) package with wettable flanks. Electrical characteristics include a typical supply current of 100 nA, input leakage current of ±100 nA, and output drive capability of ±7.8 mA at 6 V. Propagation delay ranges from 7 ns to 49 ns depending on voltage and temperature.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Schmitt-trigger inputs provide hysteresis for noise rejection and tolerance to slow signal transitions
• Three-state outputs allow bidirectional data transfer controlled by direction and enable pins
• Wettable flank QFN package facilitates automatic optical inspection for solder joint verification

Buffers, Drivers, Receivers, Transceivers Applications

• Enabling or disabling digital signals in automotive systems
• Eliminating slow or noisy input signals through Schmitt-trigger filtering
• Holding signals stable during controller reset sequences
• Switch debouncing applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix matches the required package type and quality grade. Confirm that the component meets AEC-Q100 qualification standards for the intended automotive environment. Ensure design compliance with absolute maximum ratings to prevent permanent damage. Validate thermal performance under expected operating conditions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high noise immunity is required due to its Schmitt-trigger architecture. It is suitable for designs needing wide voltage operation between 2 V and 6 V. Consider the VQFN package for space-constrained PCB layouts requiring reliable solder joint inspection capabilities via wettable flanks.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HCS245-Q1 family of automotive octal bus transceivers. It shares functional similarities with other HCS series devices but is distinguished by its specific voltage range and Schmitt-trigger input characteristics designed for robust signal integrity in electrically noisy environments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCS245PW-Q1

Buffers, Drivers, Receivers, Transceivers FAQ

How does the Schmitt-trigger input benefit signal integrity?

The Schmitt-trigger architecture provides hysteresis, making the device tolerant to slow or noisy input signals and preventing false triggering caused by signal ringing.

What is the purpose of the wettable flanks in the WRKS package?

Wettable flanks improve side wetting after soldering, allowing for easier visual inspection of solder joints using automatic optical inspection (AOI) equipment.