This part is a kind of semiconductor called 74HC4511.

Function of this product has BCD to 7-segment latch/decoder/driver.

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/HCT4511 BCD to 7-segment latch/decoder/driver Product specification File under Integrated Circuits, IC06 December 1990 Philips Semiconductors BCD to 7-segment latch/decoder/driver Product specification 74HC/HCT4511 FEATURES • Latch storage of BCD inputs • Blanking input • Lamp test input • Driving common cathode LED displays • Guaranteed 10 mA drive capability per output • Output capability: non-standard • ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT4511 are high-speed Si-gate CMOS devices and are pin compatib [ ... ]

74HC4511 PDF Datasheet Download