This part is a kind of semiconductor called 4027.

Function of this product has Dual JK flip-flop.

Manufacturers : NXP

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 HEF4027B flip-flops Dual JK flip-flop Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification Dual JK flip-flop DESCRIPTION The HEF4027B is a dual JK flip-flop which is edge-triggered and features independent set direct (SD), clear direct (CD), clock (CP) inputs and outputs (O,O). Data is accepted when CP is LOW, and transferred to the output on the positive-going edge of the clock. The active HIGH asynchronous clear-direct (CD) and set-direct (SD) are independent and override the J, K, and CP inputs. The ou [ ... ]

4027 PDF Datasheet Download