SN74F244N

Buffers, Drivers, Receivers, Transceivers Overview

The SN74F244N is an octal buffer and line driver belonging to the Texas Instruments F/FAST logic series. It features two independent four-bit drivers with true outputs and three-state capabilities, housed in a 20-pin PDIP package. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical parameters include a propagation delay of 7 ns at 5 V, a high-level output current of -15 mA, and a low-level output current of 64 mA. It supports TTL input levels and functions within a commercial temperature range of 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering and line driving functionality through two independent four-bit channels.
• Features three-state outputs to facilitate bus-oriented memory and circuit switching applications.
• Delivers high-speed performance characteristic of the F/FAST logic series.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and circuit switching
• Clock drivers
• Buffering registers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'N' confirms the 20-pin PDIP (Plastic Dual In-line Package) configuration. Confirm the absence of additional letters such as 'LE' or 'R', which indicate lead-free compliance or tape-and-reel packaging respectively. Ensure the component matches the standard commercial temperature rating of 0°C to +70°C for this specific part number designation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high-speed octal buffering with three-state control. It is suitable for replacing older 74S244 equivalents where faster propagation delays are necessary. Consider the PDIP-20 package constraints for through-hole mounting requirements and verify that the 5V logic family compatibility meets the system's interface standards.

Buffers, Drivers, Receivers, Transceivers Part Context

This component is part of the broader SN74F244 family, which includes variants with different packaging options such as SOIC (SN74F244NS) or SSOP. While functionally identical regarding logic operations, the physical package determines the mounting method and pin pitch. The 'N' suffix specifically identifies the dual-in-line package variant manufactured by Texas Instruments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Publicly confirmed substitute part numbers include SN74F244NS and SN74F244NSR. These alternatives offer identical logical functionality but differ in package type (SOIC) or delivery format (Reel). Verify pinout compatibility before substitution.