This part is a kind of semiconductor called 74HC04.
Function of this product has HEX INVERTERS.
Manufacturers : Diodes
Image and pinout :

Some of the text within the PDF file :
NEW PRODUCT Description The 74HC04 provides provides six independent inverters with standard push-pull outputs. The device is designed for operation with a power supply range of 2.0V to 6.0V. The gates perform the Boolean function: Y=A Pin Assignments 74HC04 HEX INVERTERS Features • Wide Supply Voltage Range from 2.0V to 6.0V • Sinks or sources 4mA at Vcc = 4.5V • CMOS low power consumption • Schmitt Trigger Action at All Inputs • ESD Protection Exceeds JESD 22 200-V Machine Model (A115-A) 2000-V Human Body Model (A114-A) Exceeds 1000-V Charged Device Model (C101C) • Range of Package Options SO-14 and TSSOP-14 • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) • Halogen and Antimony Free. “Green” Device (Note 3) Applications • General Purpose Log [ ... ]
74HC04 PDF Datasheet Download
