SN74HCS244QPWRQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCS244QPWRQ1 is an automotive-grade octal buffer and line driver from Texas Instruments, belonging to the HCS logic series. It features eight non-inverting inputs and outputs housed in a TSSOP-20 package. The device operates within a supply voltage range of 2 V to 6 V and supports data rates up to 130 Mb/s with a propagation delay of 13 ns. It provides three-state outputs and maintains low static current consumption of 100 nA. The component is qualified for AEC-Q100 standards and functions reliably across an operating temperature range from -40°C to +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• Octal configuration providing eight independent non-inverting buffer channels
• Three-state output capability allowing effective bus line driving and isolation
• Wide supply voltage operation supporting 2 V to 6 V power rails

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic control unit signal buffering
• High-speed data bus line driving in vehicle networks
• Octal memory address and data bus drivers
• Clock distribution circuits requiring high fan-out

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and automotive grade compliance. Confirm that the specific revision matches the design requirements for voltage levels and pinout compatibility. Check official datasheets for any recent lifecycle notices or obsolescence warnings before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring robust automotive-grade buffering with wide voltage tolerance. The HCS series offers improved performance over standard HC logic while maintaining compatibility. Ensure the application benefits from the low static power consumption and high-speed characteristics provided by the CMOS technology used in this device.

Buffers, Drivers, Receivers, Transceivers Part Context

This device is part of the SN74HCS244 family, which includes various packaging options and automotive variants. The Q1 suffix indicates automotive qualification, distinguishing it from commercial grade counterparts. It serves as a key component in Texas Instruments' portfolio of high-performance CMOS logic devices designed for demanding industrial and automotive applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct replacements include other SN74HCS244 variants with different packages such as SN74HCS244PW or SN74HCS244DR. Verify pin compatibility and electrical specifications when substituting with non-automotive grades like SN74HC244, noting potential differences in operating temperature ranges and reliability standards.