This part is a kind of semiconductor called MC14560B.

Function of this product has NBCD Adder.

Manufacturers : Motorola

Image and pinout :

Some of the text within the PDF file :

MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC14559B See Page 398 MC14560B NBCD Adder The MC14560B adds two 4–bit numbers in NBCD (natural binary coded decimal) format, resulting in sum and carry outputs in NBCD code. This device can also subtract when one set of inputs is complemented with a 9’s Complementer (MC14561B). All inputs and outputs are active high. The carry input for the least significant digit is connected to VSS for no carry in. L SUFFIX CERAMIC CASE 620 P SUFFIX PLASTIC CASE 648 ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS* (Voltages Referenced to VSS) Symbol VDD Vin, Vout Iin, Iout PD Tstg TL Parameter DC Supply Voltage Input or O [ ... ]

MC14560B PDF Datasheet Download