DM7409 is Quad 2-Input AND Gates manufactured by National Semiconductor.
| Part Number | Description |
|---|---|
| DM7400 | Quad 2-Input NAND Gates |
| DM7401 | Quad 2-Input NAND Gates with Open-Collector Outputs |
| DM7402 | Quad 2-Input NOR Gates |
| DM7404 | Hex Inverting Gates |
| DM7405 | (DM5405 / DM7405) Hex Inverters |
This device contains four independent gates each of which performs the logic AND function The open-collector outputs require external pull-up resistors for proper logical operation Pull-Up Resistor Equations RMAX e VCC (Min) b VOH N1 (IOH) a N2 (IIH) RMIN.
