SN74S244N

Buffers, Drivers, Receivers, Transceivers Overview

The SN74S244N is an octal buffer and line driver from the Texas Instruments AS logic family, housed in a 20-pin PDIP package. It features non-inverting tri-state outputs with eight input lines. The device operates on a single 5V supply (4.5V to 5.5V) and utilizes bipolar technology. Key electrical specifications include a propagation delay of 6.2 ns, high-level output current of -15 mA, and low-level output current of 64 mA. It functions within a commercial temperature range of 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides buffering and driving capabilities for digital signals through eight independent channels.
• Features tri-state outputs that allow connection to bus systems without signal contention.
• Utilizes Schottky-clamped bipolar transistors for high-speed switching performance.

Buffers, Drivers, Receivers, Transceivers Applications

• Microprocessor system address and data bus buffering
• Clock distribution circuits requiring high drive capability
• Memory module interface isolation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'E' if environmental compliance or lead-free status is required, as the base part number may denote standard composition. Confirm the PDIP-20 package availability matches your PCB footprint requirements. Ensure the operating voltage range aligns with your system's 5V logic levels. Check for updated datasheet revisions to confirm pinout consistency with existing designs.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high-speed bipolar performance is necessary over CMOS alternatives. The SN74S244N offers superior drive strength compared to standard LS series devices. Consider the higher power consumption relative to HC or AHC families during thermal design. Verify that the 5V-only operation fits within your system's power budget constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the Texas Instruments 74AS (Advanced Schottky) logic family, known for speed-performance trade-offs. It serves as an octal buffer variant within the broader 74-series ecosystem. The device complements other 74AS logic gates by providing high-current output stages for long traces or multiple loads.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LS244N: Offers lower speed but reduced power consumption; verify timing margins. SN74HC244N: Provides CMOS compatibility and lower static power but slower switching speeds. SN74F244N: Similar speed class with different drive characteristics; check output current limits.