MC74HC244AFELG

Overview

The MC74HC244AFELG is an octal buffer and line driver from the HC logic family, manufactured by onsemi. It features eight non-inverting inputs with three-state outputs, operating within a supply voltage range of 2 V to 6 V. The device provides high-level output current of -7.8 mA and low-level output current of 7.8 mA, with a maximum static current of 4 uA. Propagation delay varies from 96 ns at 2 V to 15 ns at 6 V. It is housed in a 20-pin SOIC-J package and supports surface mount installation.

Feature Summary

• Octal configuration providing eight independent non-inverting signal paths
• Three-state output capability for effective bus line driving and isolation
• CMOS technology ensuring high noise immunity and low power consumption

Applications

• Bus-oriented memory and address drivers
• Clock drivers and buffering
• Bidirectional data bus transmission

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm RoHS compliance details via official documentation. Ensure storage conditions account for moisture sensitivity classification. Validate package integrity upon receipt to prevent pin damage during handling.

Selection Notes

Select this component for applications requiring octal buffering with three-state control. Consider propagation delay specifications relative to system clock speeds. Evaluate power supply constraints against the 2 V to 6 V operating range. Assess thermal requirements based on specified power dissipation limits.

Part Context

This part belongs to the 74HC series of CMOS logic integrated circuits. It serves as a standard solution for digital signal buffering in industrial and consumer electronics. The manufacturer utilizes advanced silicon-gate CMOS technology for performance optimization.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.