Back to browse
74390
Dual decade ripple counter
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 16 | VCC | power_in |
| 8 | GND | power_in |
| 1 | 1~{CP}0 | input |
| 4 | 1~{CP}1 | input |
| 2 | 1MR | input |
| 3 | 1Q0 | output |
| 5 | 1Q1 | output |
| 6 | 1Q2 | output |
| 7 | 1Q3 | output |
| 15 | 2~{CP}0 | input |
| 12 | 2~{CP}1 | input |
| 14 | 2MR | input |
| 13 | 2Q0 | output |
| 11 | 2Q1 | output |
| 10 | 2Q2 | output |
| 9 | 2Q3 | output |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.
