SN74AS244N

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AS244N is an octal buffer and line driver manufactured by Texas Instruments, belonging to the AS (Advanced Schottky) logic series. It features eight non-inverting inputs and outputs with three-state capability, housed in a 20-pin PDIP package. The device operates on a single supply voltage ranging from 4.5 V to 5.5 V. 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 temperature range of 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering and line driving capabilities with three-state outputs for bus-oriented architectures.
• Utilizes Advanced Schottky technology to achieve high-speed performance with reduced propagation delay.
• Features robust low-level sink current capacity suitable for driving heavy loads or transmission lines.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module address and data bus drivers
• Clock distribution circuits requiring high-speed signal integrity
• Bus-oriented systems requiring isolated three-state control

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'N' confirms the PDIP-20 through-hole package variant. Confirm the absence of additional letters such as 'E' which may indicate lead-free compliance variations. Ensure the order quantity aligns with tube packaging standards typically associated with this package type. Cross-reference the manufacturer part number against official TI databases to confirm current production status and availability.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when system requirements demand high-speed switching characteristics provided by Advanced Schottky technology. It is appropriate for designs operating strictly at 5V logic levels where significant low-level drive strength is necessary. Consider thermal management due to higher static current consumption compared to CMOS alternatives. Ensure the application environment remains within the specified commercial temperature range.

Buffers, Drivers, Receivers, Transceivers Part Context

This component is part of the broader SN74xx series of logic integrated circuits, specifically utilizing the AS family known for speed optimization. It serves as a digital interface solution for connecting microprocessors to peripheral devices or memory arrays. The octal configuration allows for parallel data handling, reducing pin count requirements compared to individual single-bit drivers.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AS244ANE4 is a verified equivalent offering identical electrical specifications with lead-free construction. SN74LS244N provides similar functionality but with slower propagation speeds and lower drive currents. SN74F244N offers comparable speed but different drive characteristics. Verify pin compatibility and voltage tolerance before substituting.