5409 is Quad 2-Input AND Gates with Open-Collector Outputs manufactured by National Semiconductor.
| Part Number | Description |
|---|---|
| 5409DMQB | Quad 2-Input AND Gates with Open-Collector Outputs |
| 5409FMQB | Quad 2-Input AND Gates with Open-Collector Outputs |
| 5400 | Quad 2-Input NAND Gates |
| 5402 | Quad 2-Input NOR Gates |
| 5404 | Hex Inverting Gates |
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) VCC.
