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7490
Decade, Divide-By-Twelve and Binary Counters
Schematic Symbol
Pin Configuration (14 pins)
| Pin | Name | Type |
|---|---|---|
| 2 | R0-1 | input |
| 3 | R0-2 | input |
| 6 | R9-1 | input |
| 7 | R9-2 | input |
| 14 | CKA | input |
| 1 | CKB | input |
| 5 | VCC | power_in |
| 4 | NC | passive |
| 13 | NC | passive |
| 12 | QA | output |
| 9 | QB | output |
| 8 | QC | output |
| 11 | QD | output |
| 10 | GND | power_in |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.