MC74F244DWR2

Overview

The MC74F244DWR2 is an octal buffer and line driver manufactured by onsemi, belonging to the 74F logic series. It features eight non-inverting channels with three-state outputs housed in a 20-pin SOIC surface-mount package. The device operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature range from 0°C to 70°C. Key electrical characteristics include a maximum propagation delay of 5.5ns at 5V with 50pF load, high-level output current of 15mA, and low-level output current of 64mA.

Feature Summary

• Provides eight independent non-inverting buffering channels for signal integrity maintenance.
• Features three-state outputs allowing direct connection to bus-oriented systems.
• Designed for high-speed digital applications utilizing Fast (F) CMOS technology.

Applications

• Bus-oriented systems requiring high-speed data transmission.
• Clock drivers for distributing timing signals across multiple components.
• Memory address drivers for managing data flow in storage architectures.

Procurement Notes

Verify the specific suffix 'DWR2' against official manufacturer documentation to confirm package dimensions and tape-and-reel specifications. Ensure compliance with RoHS directives if required for the target application, as older F-series variants may have different environmental statuses. Cross-reference the datasheet revision date to confirm pinout compatibility with existing PCB layouts.

Selection Notes

Select this component when high-speed switching capabilities are required alongside standard 5V logic levels. The 74F series offers faster propagation delays compared to HC or HCT families but consumes more power. Consider the 64mA low-level sink capability for driving heavier loads or longer traces without external buffering.

Part Context

This part belongs to the industry-standard 74F logic family, known for speed performance in 5V CMOS applications. The MC prefix indicates it is manufactured by onsemi. As an octal buffer, it consolidates eight logic gates into a single integrated circuit, reducing board space and simplifying design complexity for multi-bit data paths.

Replacement Considerations

Direct substitutes include the MC74F244DWG. Other compatible options from different manufacturers include the SN74F244N or HD74F244P, provided voltage levels and package footprints match the original design requirements.