SN74HC244QPWRG4Q1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC244QPWRG4Q1 is an automotive-grade octal buffer and line driver featuring three-state outputs, designed for high-speed digital applications. It operates within a supply voltage range of 2 V to 6 V and supports a wide operating temperature range from -40°C to +125°C. The device incorporates AEC-Q100 qualification for reliability in automotive environments. Key electrical characteristics include a maximum static current of 8 µA and output drive capabilities of ±7.8 mA. Propagation delays vary with voltage, ranging from 115 ns at 2 V to 20 ns at 6 V. It utilizes a 20-pin TSSOP package suitable for surface-mount assembly.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive-grade qualification ensuring reliability under strict environmental conditions
• Octal configuration providing eight independent non-inverting buffers or line drivers
• Three-state output design allowing direct connection to bus structures without external drivers
• Wide supply voltage compatibility supporting diverse system power architectures

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic control units requiring robust signal buffering
• High-speed data acquisition systems utilizing bus-oriented architectures
• Industrial communication interfaces demanding wide temperature operation
• Memory address and data bus drivers in complex embedded systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the complete part number including the Q1 suffix to confirm automotive grade status. Ensure the G4 suffix indicates lead-free and RoHS compliance as per manufacturer specifications. Confirm the PWR package code corresponds to the required 20-TSSOP footprint for PCB layout compatibility. Cross-reference the datasheet revision date to ensure alignment with current manufacturing standards and material declarations before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing for automotive environments necessitating extended temperature ranges up to 125°C. Choose this part over standard commercial variants if AEC-Q100 certification is mandatory for the application. Consider the 2V to 6V operating range for systems requiring flexible voltage levels. Evaluate the propagation delay specifications against system timing requirements to ensure signal integrity across the full voltage spectrum.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the Texas Instruments SN74HC244 family of octal buffers and line drivers. The Q1 designation specifically identifies it as an automotive-qualified product variant within the broader HC logic series. It shares functional similarities with other octal drivers but distinguishes itself through enhanced reliability testing and extended temperature performance suitable for harsh automotive environments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC244PWRG4 serves as the commercial grade equivalent offering identical electrical functionality without automotive qualification. SN74ACT244PWR provides higher drive current capabilities but requires a stricter 4.5V to 5.5V supply voltage range. Verify pinout compatibility and package dimensions when substituting to ensure mechanical fit on existing printed circuit boards.