Electronic Manufacturer | Part no | Datasheet | Electronics Description |
 National Semiconductor ... | DM7401 |  | Quad 2-Input NAND Gates with Open-Collector Outputs |
 National Semiconductor ... | DM7405N |  | DM5405/DM7405 Hex Inverters with Open-Collector Outputs |
DM7406M |  | Hex Inverting Buffers with High Voltage Open-Collector Outputs |
 National Semiconductor ... | DM7407M |  | Hex Buffers with High Voltage Open-Collector Outputs |
 National Semiconductor ... | DM7407N |  | Hex Buffers with High Voltage Open-Collector Outputs |
 National Semiconductor ... | DM7408N |  | Quad 2-Input AND Gates |
DM7409N |  | Quad 2-Input AND Gates with Open-Collector Outputs |
DM7405N14A |  | DM5405/DM7405 Hex Inverters with Open-Collector Outputs |