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74139_a
Dual 2-to-4 line decoder/demultiplexer
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | 1~{E} | input |
| 2 | 1A0 | input |
| 3 | 1A1 | input |
| 16 | VCC | power_in |
| 4 | 1Y0 | output |
| 5 | 1Y1 | output |
| 6 | 1Y2 | output |
| 7 | 1Y3 | output |
| 8 | GND | power_in |
| 15 | 2~{E} | input |
| 14 | 2A0 | input |
| 13 | 2A1 | input |
| 12 | 2Y0 | output |
| 11 | 2Y1 | output |
| 10 | 2Y2 | output |
| 9 | 2Y3 | output |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.