This part is a kind of semiconductor called 74LS30.

Function of this product has 8-Input NAND Gate.

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

DM74LS30 8-Input NAND Gate May 1986 Revised March 2000 DM74LS30 8-Input NAND Gate General Description This device contains a single gate which performs the logic NAND function. Ordering Code: Order Number DM74LS30M DM74LS30N Package Number M14A N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow 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 = ABCDEFGH Inputs A thru H All Inputs H One or More Input L H = HIGH Logic Level L = LOW Logic Level Output Y L H © 2000 Fairchild Semiconductor Corporation DS006360 www.fairchildsemi.com DM74LS30 Absolute Maximum Ratings(Not [ ... ]

74LS30 PDF Datasheet Download