SN74LS244DW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS244DW is an octal buffer and line driver manufactured by Texas Instruments, belonging to the 74LS logic series. It features eight non-inverting inputs and outputs with three-state capability, housed in a 20-pin SOIC package. The device operates within a 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 supply current reaches 46 mA. The propagation delay is 18 ns maximum. It functions within a temperature range of 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides tri-state output functionality for bus-driven applications
• Features PNP inputs to reduce DC loading on driving circuits
• Includes hysteresis at inputs to enhance noise immunity
• Capable of driving loads with impedance as low as 133 ohms

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock signal distribution
• Bus-oriented receivers and transceivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized channels. Confirm RoHS compliance status via official documentation. Check for obsolescence notices or lifecycle changes from Texas Instruments. Ensure packaging matches design requirements. Validate datasheet revisions against manufacturing date codes.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring TTL-compatible inputs with CMOS-like outputs. Consider the specific current drive capabilities for load matching. Evaluate thermal performance within the operational temperature limits. Compare against other 74LS variants if pinout compatibility is critical.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the standard 74LS family of logic integrated circuits. It serves as a direct replacement for legacy LS-series octal buffers. The SOIC-20 package facilitates surface-mount assembly. It is designed for general-purpose digital buffering tasks in industrial and consumer electronics.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

• SN74LS244DWR
• SN74LS244N