This part is a kind of semiconductor called CD4027BC.

Function of this product has Dual J-K Master/Slave Flip-Flop with Set and Reset.

Manufacturers : National Semiconductor

Image and pinout :

Some of the text within the PDF file :

CD4027BM CD4027BC Dual J-K Master Slave Flip-Flop with Set and Reset February 1988 CD4027BM CD4027BC Dual J-K Master Slave Flip-Flop with Set and Reset General Description These dual J-K flip-flops are monolithic complementary MOS (CMOS) integrated circuits constructed with N- and Pchannel enhancement mode transistors Each flip-flop has independent J K set reset and clock inputs and buffered Q and Q outputs These flip-flops are edge sensitive to the clock input and change state on the positive-going transition of the clock pulses Set or reset is independent of the clock and is accomplished by a high level on the respective input All inputs are protected against damage due to static discharge by diode clamps to VDD and VSS Features Y Y Y Y Y Wide supply voltage range High noise immunit [ ... ]

CD4027BC PDF Datasheet Download