This part is a kind of semiconductor called 74LS32.

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

Manufacturers : National Semiconductor

Image and pinout :

Some of the text within the PDF file :

54LS32 DM54LS32 DM74LS32 Quad 2-Input OR Gates May 1989 54LS32 DM54LS32 DM74LS32 Quad 2-Input OR Gates General Description This device contains four independent gates each of which performs the logic OR function Features Y Alternate Military Aerospace device (54LS32) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6361 – 1 Order Number 54LS32DMQB 54LS32FMQB 54LS32LMQB DM54LS32J DM54LS32W DM74LS32M or DM74LS32N See NS Package Number E20A J14A M14A N14A or W14B Function Table YeAaB Inputs A L L H H B L H L H Output Y L H H H H e High Logic Level L e Low Logic Level C1995 National Semiconductor Corporation TL F 6361 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aero [ ... ]

74LS32 PDF Datasheet Download