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74540_EP
Octal Buffer/Line Driver with 3-State Outputs
Schematic Symbol
Pin Configuration (21 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{OE}1 | input |
| 19 | ~{OE}2 | input |
| 2 | A1 | input |
| 3 | A2 | input |
| 4 | A3 | input |
| 5 | A4 | input |
| 6 | A5 | input |
| 7 | A6 | input |
| 8 | A7 | input |
| 9 | A8 | input |
| 20 | VCC | power_in |
| 18 | ~{Y}1 | tri_state |
| 17 | ~{Y}2 | tri_state |
| 16 | ~{Y}3 | tri_state |
| 15 | ~{Y}4 | tri_state |
| 14 | ~{Y}5 | tri_state |
| 13 | ~{Y}6 | tri_state |
| 12 | ~{Y}7 | tri_state |
| 11 | ~{Y}8 | tri_state |
| 10 | GND | power_in |
| 21 | EP | power_in |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.