This part is a kind of semiconductor called 74HCU04.

Function of this product has Hex unbuffered inverter.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

74HCU04 Hex unbuffered inverter Rev. 7 8 December 2015 Product data sheet 1. General description The 74HCU04 is a hex unbuffered inverter. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits  Complies with JEDEC standard JESD7A  Balanced propagation delays  ESD protection:  HBM JESD22-A114F exceeds 2000 V  MM JESD22-A115-A exceeds 200 V  Multiple package options  Specified from 40 C to +125 C 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version 74HCU04D 40 C to +125 C SO14 plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 74HCU04DB 40 C to +125 [ ... ]

74HCU04 PDF Datasheet Download