Description

DM74LS20 Dual 4-Input NAND Gate DM74LS20 Dual 4-Input NAND Gate General Description This device contains two independent gates each of which performs the logic NAND function. Ordering Code* Order Number DM74LS20M DM74LS20N 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 = ABCD In