74LS244 - 74HC244 - Octal buffer/line driver; 3-state

74LS244 - Octal Buffers & Line Drivers 

Equivalent substitute - 74HC244

General description:

These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory-address drivers, clock drivers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data line input, they provide improved noise rejection and high fanout outputs and can be used to drive terminated lines down to 133Ω.

Features:

• Tri-State Outputs Drive Bus Lines Directly
• PNP Inputs Reduce DC Loading on Bus Lines
• Hysteresis Inputs
• Designed for use as Bus Oriented Transmitters/Receivers 
• Standard TTL Switching Voltages

*Image shown is a representation only.