SN74HC244QDWRQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC244QDWRQ1 is an automotive-grade octal buffer and line driver featuring three-state outputs, designed for high-density memory address drivers, clock drivers, and bus-oriented receivers/transmitters. It operates within a supply voltage range of 2 V to 6 V and supports a wide operating temperature from -40°C to +125°C. The device contains two independent 4-bit buffers controlled by separate output enable inputs. It is AEC-Q100 qualified and housed in a 20-pin SOIC package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Wide supply voltage operation ranging from 2 V to 6 V
• Dual four-bit configuration with independent output enables

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus-oriented receivers and transmitters

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix QDWRQ1 against the manufacturer's current datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the component meets the required AEC-Q100 grade for your automotive application environment. Cross-reference the SOIC-20 package dimensions with your PCB footprint library before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring robust signal buffering under varying voltage conditions between 2 V and 6 V. Its automotive qualification makes it suitable for harsh environments where reliability is critical. Consider the propagation delay specifications at your target operating voltage to ensure timing constraints are met for your specific bus architecture.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HC244 family of octal buffers and line drivers. It shares functional similarities with other automotive-qualified logic devices but is distinguished by its HC technology and specific voltage tolerance. The QDWRQ1 designation indicates a specific package type and automotive grade variant within the broader Texas Instruments logic portfolio.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC244QPWRQ1 (TSSOP-20 package)

Buffers, Drivers, Receivers, Transceivers FAQ

What is the maximum operating temperature for the SN74HC244QDWRQ1?

The device supports a maximum operating temperature of +125°C.

How many channels does the SN74HC244QDWRQ1 contain?

It contains eight input lines and eight output lines, configured as two independent four-bit buffers.