This part is a kind of semiconductor called 5400.

Function of this product has Quad 2-Input NAND Gates.

Manufacturers : National Semiconductor

Image and pinout :

Some of the text within the PDF file :

5400 DM5400 DM7400 Quad 2-Input NAND Gates June 1989 5400 DM5400 DM7400 Quad 2-Input NAND Gates General Description This device contains four independent gates each of which performs the logic NAND function Features Y Alternate Military Aerospace device (5400) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6613 – 1 Order Number 5400DMQB 5400FMQB DM5400J DM5400W or DM7400N See NS Package Number J14A N14A or W14B Function Table Y e AB Inputs A L L H H B L H L H Output Y H H H L H e High Logic Level L e Low Logic Level C1995 National Semiconductor Corporation TL F 6613 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please con [ ... ]

5400 PDF Datasheet Download