PHILIPS 74HC HCT299 8-bit Universal Shift Register; 3-state Data Sheet User Manual

Summary

The 74HC/HCT299 is an versatile 8-bit universal shift register featuring three-state outputs and eight edge-triggered D-type flip-flops. This component supports four operational modes—including parallel loading, shifting, holding, and synchronizing—and can interface directly with bus lines. This manual provides comprehensive technical specifications, detailed timing diagrams, electrical characteristics, and functional descriptions for integrating this high-speed logic family into digital circuit designs. It is essential reading for hardware engineers and electronics designers requiring precise performance data for shift register applications.