This part is a kind of semiconductor called 4049B.

Function of this product has HEX inverting buffers.

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 HEF4049B buffers HEX inverting buffers Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification HEX inverting buffers DESCRIPTION The HEF4049B provides six inverting buffers with high current output capability suitable for driving TTL or high capacitive loads. Since input voltages in excess of the buffers’ supply voltage are permitted, the buffers may also be used to convert logic levels of up to 15 V to standard TTL levels. Their guaranteed fan-out into common bipolar logic elements is shown in the table bel [ ... ]

4049B PDF Datasheet Download