SN74ALS244CDW

Overview

The SN74ALS244CDW is an octal buffer and line driver featuring three-state outputs, manufactured by Texas Instruments. It belongs to the ALS logic series and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides non-inverting signal transmission with high noise immunity. It supports low-level output currents up to 8 mA and high-level output currents of -400 µA. The component functions reliably across an operating temperature range from 0°C to +70°C.

Feature Summary

• Octal buffering architecture for eight independent channels
• Three-state output capability for bus-oriented systems
• Non-inverting signal transmission functionality

Applications

• Bus-oriented memory and address drivers
• Clock drivers and buffer circuits
• Line driving applications requiring isolation

Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and environmental compliance. Ensure the ordering code matches the required tape-and-reel or tube configuration. Confirm RoHS status and lead time requirements directly with authorized distributors prior to procurement.

Selection Notes

Select this component when designing systems requiring octal data buffering with controlled impedance. The ALS series offers improved speed-power product compared to standard LS logic. Verify that the load capacitance and drive current requirements align with the specified electrical characteristics for reliable operation.

Part Context

This part is part of the SN74ALS244 family of octal buffers. It serves as a digital logic interface component for transferring data between buses and peripheral devices. The device is designed for high-speed digital applications where signal integrity and bus sharing are critical design considerations.

Replacement Considerations

Compatible substitutes include SN74ALS244C-1DW and SN74ALS244CDWR. Verify pin compatibility and electrical specifications before substitution.