SN74HC244QPWRQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC244QPWRQ1 is an automotive-grade octal buffer and line driver from Texas Instruments, featuring non-inverting logic with three-state outputs. It operates within a supply voltage range of 2 V to 6 V. The device provides high-level output current of -7.8 mA and low-level output current of 7.8 mA, with a maximum static current of 8 uA. Propagation delays are specified as 115 ns at 2 V, 23 ns at 4.5 V, and 20 ns at 6 V. It functions reliably across a temperature range of -40°C to +125°C and is housed in a TSSOP-20 package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for extended reliability
• Octal configuration providing eight independent non-inverting buffers or line drivers
• Three-state output capability allowing direct connection to bus-oriented systems
• Wide operating voltage range supporting 2 V to 6 V power supplies

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers in automotive electronic control units
• Clock signal distribution networks
• Bus-oriented receiver and transmitter circuits
• High-density digital signal buffering applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix matches the required package type and tape/reel specifications. Confirm that the component meets the exact AEC-Q100 grade requirements for your target application. Ensure compatibility with your system's voltage levels and thermal management constraints before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing for automotive environments requiring robust performance across wide temperature extremes. Consider the HC logic family characteristics regarding speed and power consumption relative to other series. Evaluate the TSSOP-20 footprint against available board space and thermal dissipation needs for dense PCB layouts.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HC244-Q1 series, representing Texas Instruments' automotive-qualified extension of the standard HC logic family. It shares functional similarities with commercial variants but adheres to stricter automotive reliability standards. The Q1 suffix denotes its qualification for use in demanding vehicular electronics applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include other SN74HC244-Q1 variants with different package options such as SOIC or SSOP. Commercial equivalents like the standard SN74HC244 may function similarly but lack automotive certification. Verify pinout compatibility and electrical parameters before swapping components.