DM74S20 - Dual 4-Input NAND Gate
This device contains two independent gates each of which performs the logic NAND function.
Ordering Code: Order Number DM74S20N Package Number N14A Package Description 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Connection Diagram Function Table Y = ABCD Inputs A X X X L