SN74LS244DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS244DWR is an octal buffer and line driver manufactured by Texas Instruments, belonging to the LS logic series. It features eight non-inverting inputs and outputs with three-state capability, housed in a 20-pin SOIC package for surface mount installation. The device operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical specifications include a high-level output current of -15 mA and a low-level output current of 24 mA. Static current is specified at 27 mA, while operating power consumption reaches 46 mA. The component supports an extended industrial temperature range from 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering and line driving functions with non-inverting signal paths
• Features three-state outputs allowing effective bus line isolation and control
• Designed for surface mount applications using standard SOIC packaging

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and address drivers
• Clock drivers and buffer circuits
• General-purpose digital signal buffering

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific manufacturing revision and RoHS compliance status through official datasheets or manufacturer documentation before procurement. Confirm that the SOIC-20 package dimensions align with PCB footprint requirements. Ensure the operating temperature range meets the environmental conditions of the target application. Cross-reference ordering information with authorized distributors to confirm part authenticity and availability.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with three-state control capabilities. The LS logic family offers specific drive strengths suitable for moderate-speed digital interfaces. Consider the 4.75 V to 5.25 V supply voltage constraint during power rail design. Evaluate the thermal performance within the 0°C to +70°C operating range to ensure reliability under expected load conditions.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx4LS24x family of octal buffers and line drivers with three-state outputs. It serves as a standard solution for managing multiple digital signals on shared buses. The device integrates eight independent channels into a single integrated circuit, simplifying board layout compared to discrete solutions. It is widely used in legacy and industrial digital systems requiring robust signal integrity.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LS244DR is a direct pin-compatible alternative from Texas Instruments offering identical functionality in the same package.