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74LS221
Dual Monostable
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{A} | input |
| 2 | B | input |
| 3 | ~{CLR} | input |
| 4 | ~{Q} | output |
| 13 | Q | output |
| 14 | Cext | input |
| 15 | RCext | input |
| 5 | Q | output |
| 6 | Cext | input |
| 7 | RCext | input |
| 9 | ~{A} | input |
| 10 | B | input |
| 11 | ~{CLR} | input |
| 12 | ~{Q} | output |
| 8 | GND | power_in |
| 16 | VCC | power_in |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.