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Logic IC.
| Part number | 74LS251 8-to-1 Tri-State Multiplexer |
|---|---|
| Category | Integrated Circuits › Logic Gates |
| Package | DIP-16 |
| Pins | 16 |
74LS251 8-to-1 Tri-State Multiplexer pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | I3 | input | |
| 2 | I2 | input | |
| 3 | I1 | input | |
| 4 | I0 | input | |
| 5 | Y | bidirectional | |
| 6 | ~Y | bidirectional | |
| 7 | ~OE | input | |
| 8 | GND | ground | |
| 9 | S2 | input | |
| 10 | S1 | input | |
| 11 | S0 | input | |
| 12 | I7 | input | |
| 13 | I6 | input | |
| 14 | I5 | input | |
| 15 | I4 | input | |
| 16 | VCC | power |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-16_W7.62mm — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.