This part is a kind of semiconductor called 5404.

Function of this product has Hex Inverting Gates.

Manufacturers : National Semiconductor

Image and pinout :

Some of the text within the PDF file :

5404 DM5404 DM7404 Hex Inverting Gates June 1989 5404 DM5404 DM7404 Hex Inverting Gates General Description This device contains six independent gates each of which performs the logic INVERT function Features Y Alternate Military Aerospace device (5404) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6494 – 1 Order Number 5404DMQB 5404FMQB DM5404J DM5404W DM7404M or DM7404N See NS Package Number J14A M14A N14A or W14B Function Table YeA Inputs A L H H e High Logic Level L e Low Logic Level Output Y H L C1995 National Semiconductor Corporation TL F 6494 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the Nation [ ... ]

5404 PDF Datasheet Download