| Produttore elettronici | Il numero della parte | Scheda tecnica | Spiegazioni elettronici |
 National Semiconductor ... | DM74S940 |  117Kb/2P | TRI-STATE Buffers/Line Drivers/Line Receivers |
 National Semiconductor ... | DM74S941 |  117Kb/ 2P | TRI-STATE Buffers/Line Drivers/Line Receivers |
 National Semiconductor ... | DM74S04 |  52Kb/ 2P | HEX INVERTING GATES |
 National Semiconductor ... | DM74S04M |  52Kb/ 2P | HEX INVERTING GATES |
 National Semiconductor ... | DM74S04N |  52Kb/ 2P | HEX INVERTING GATES |
 National Semiconductor ... | DM74S09 |  92Kb/ 4P | Quad 2-Input AND Gates with Open-Collector Outputs |