This part is a kind of semiconductor called 74HC190.

Function of this product has Presettable synchronous BCD decade up/down counter.

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/HCT190 Presettable synchronous BCD decade up/down counter Product specification File under Integrated Circuits, IC06 December 1990 Philips Semiconductors Product specification Presettable synchronous BCD decade up/down counter FEATURES • Synchronous reversible counting • Asynchronous parallel load • Count enable control for synchronous expansion • Single up/down control input • Output capability: standard • ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT190 are high-speed Si-gate CMOS devices and are pin compatible [ ... ]

74HC190 PDF Datasheet Download