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Logic IC.
| Part number | 74LS121 Monostable Multivibrator |
|---|---|
| Category | Integrated Circuits › Logic Gates |
| Package | DIP-14 |
| Pins | 14 |
74LS121 Monostable Multivibrator pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | ~Q | output | |
| 2 | NC | nc | |
| 3 | A1 | input | |
| 4 | A2 | input | |
| 5 | B | input | |
| 6 | Q | output | |
| 7 | GND | ground | |
| 8 | NC | nc | |
| 9 | Rint | input | |
| 10 | Cext | input | |
| 11 | R/Cext | input | |
| 12 | NC | nc | |
| 13 | NC | nc | |
| 14 | VCC | power |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-14 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.