This part is a kind of semiconductor called 74HC574.

Function of this product has Octal D-type flip-flop positive edge-trigger 3-state.

Manufacturers : Philips

Image and pinout :

Some of the text within the PDF file :

INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications • The IC06 74HC/HCT/HCU/HCMOS Logic Package Information • The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines 74HC/HCT574 Octal D-type flip-flop; positive edge-trigger; 3-state Product specification File under Integrated Circuits, IC06 December 1990 Philips Semiconductors Product specification Octal D-type flip-flop; positive edge-trigger; 3-state FEATURES • 3-state non-inverting outputs for bus oriented applications • 8-bit positive edge-triggered register • Common 3-state output enable input • Independent register and 3-state buffer operation • Output capability: bus driver • ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT5 [ ... ]

74HC574 PDF Datasheet Download