This part is a kind of semiconductor called 7432.
Function of this product has Quad 2-Input OR Gate.
Manufacturers : Fairchild Semiconductor
Image and pinout :

Some of the text within the PDF file :
DM74LS32 Quad 2-Input OR Gate June 1986 Revised March 2000 DM74LS32 Quad 2-Input OR Gate General Description This device contains four independent gates each of which performs the logic OR function. Ordering Code: Order Number DM74LS32M DM74LS32SJ DM74LS32N Package Number M14A M14D N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Function Table Y=A+B Inputs A L L H H H = HIGH Logic Level L = LOW Logic Level Output B L H L H Y L H H H © 2000 Fairchild Semiconductor Corporati [ ... ]
7432 PDF Datasheet Download
