74AC244SJ

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74AC244SJ is an octal bus driver belonging to the AC logic series. It features two independent four-bit buffers with true outputs and three-state control. The device utilizes CMOS technology and is housed in a 20-pin Small Outline Package (SOP). It operates within a standard industrial temperature range, supporting voltage supplies typical for the AC family. The component provides high-impedance outputs when disabled, allowing safe bus sharing in digital systems.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight non-inverting buffer channels
• Three-state output capability for controlled bus isolation
• CMOS construction ensuring low power consumption

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus-oriented transmissions

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix SJ against the manufacturer datasheet to confirm package type and tape/reel specifications. Ensure the component matches the required AC series electrical characteristics and operating temperature range for your design. Cross-reference the ordering information with official Fairchild or onsemi documentation to avoid counterfeit parts.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal non-inverting buffer with three-state outputs is required. It is suitable for applications needing high-speed CMOS performance with low power dissipation. Compare propagation delays and output drive capabilities against system requirements. Ensure compatibility with existing logic families and voltage levels in the target circuit design.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC logic family, known for speed comparable to Schottky TTL but with CMOS power benefits. The 74AC244 variant specifically offers octal buffering. Similar parts include the 74ACT244 for TTL-compatible inputs and the 74HC244 for standard HC speeds. The SOP-20 package is common for surface-mount implementations of this logic function.