Back to browse
74LS390
Dual BCD 4-bit counter
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{CP0} | input |
| 2 | MR | input |
| 3 | Q0 | output |
| 4 | ~{CP1} | input |
| 5 | Q1 | output |
| 6 | Q2 | output |
| 7 | Q3 | output |
| 9 | Q3 | output |
| 10 | Q2 | output |
| 11 | Q1 | output |
| 12 | ~{CP1} | input |
| 13 | Q0 | output |
| 14 | MR | input |
| 15 | ~{CP0} | input |
| 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.