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74240_a
Octal Buffer/Driver with 3-State Ouputs
Schematic Symbol
Pin Configuration (20 pins)
| Pin | Name | Type |
|---|---|---|
| 20 | VCC | power_in |
| 10 | GND | power_in |
| 1 | ~{OE} | input |
| 2 | A1 | input |
| 4 | A2 | input |
| 6 | A3 | input |
| 8 | A4 | input |
| 18 | Y1 | tri_state |
| 16 | Y2 | tri_state |
| 14 | Y3 | tri_state |
| 12 | Y4 | tri_state |
| 19 | ~{OE} | input |
| 11 | A1 | input |
| 13 | A2 | input |
| 15 | A3 | input |
| 17 | A4 | input |
| 9 | Y1 | tri_state |
| 7 | Y2 | tri_state |
| 5 | Y3 | tri_state |
| 3 | Y4 | tri_state |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.