This part is a kind of semiconductor called HEF4894B.
Function of this product has 12-stage shift-and-store register LED 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 IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC • The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF4894B 12-stage shift-and-store register LED driver Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors 12-stage shift-and-store register LED driver Product specification HEF4894B APPLICATIONS • Automotive • Industrial GENERAL DESCRIPTION The HEF4894B is a 12 stage serial shift register having a storage latch associated with each stage for strobing data from the serial input to parallel LED driver outputs O0 to O11. Data is shifted on positive-going clock transitions. The data in each shift register stage is transferred [ ... ]