MC74HC244ADWR2G-Q

Overview

The MC74HC244ADWR2G-Q is an octal 3-state noninverting buffer and line driver manufactured by onsemi. It operates within a supply voltage range of 2.0 to 6.0 V for the HC series. The device features two active-low output enables controlling eight noninverting outputs. It is housed in a SOIC-20 Wide package (DW suffix). The component is AEC-Q100 qualified and PPAP capable, indicated by the -Q suffix.

Feature Summary

• AEC-Q100 qualified with PPAP capability for automotive applications
• Octal 3-state noninverting buffering with dual active-low enables
• Compatible with standard CMOS and LSTTL loads

Applications

• 3-state memory address drivers
• Clock drivers
• Bus-oriented systems

Procurement Notes

Verify the specific ordering suffix matches the required package type and reel specifications. Confirm that the -Q designation aligns with project requirements for unique site and control change protocols. Ensure compliance with RoHS and halogen-free standards as stated in the datasheet. Validate moisture sensitivity level handling procedures during assembly.

Selection Notes

Select this component when an octal bus interface with high noise immunity is required. The HC logic family supports wide voltage operation suitable for various digital systems. Consider the SOIC-20 package dimensions for PCB layout constraints. Verify input compatibility with driving sources, noting CMOS or LSTTL interface capabilities.

Part Context

This part belongs to the MC74HC244A family of octal buffers. It shares pinout compatibility with LS244 devices. The -Q suffix distinguishes it from standard commercial versions by enforcing stricter automotive quality controls. It serves as a noninverting counterpart to the HC240A/HCT240A series.

Replacement Considerations

MC74HC244ADWR2G