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74161
Synchronous 4-Bit Decade and Binary Counter
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{CLR} | input |
| 9 | ~{LOAD} | input |
| 10 | ENT | input |
| 7 | ENP | input |
| 2 | CLK | input |
| 3 | A | input |
| 4 | B | input |
| 5 | C | input |
| 6 | D | input |
| 16 | VCC | power_in |
| 15 | RCO | output |
| 14 | QA | output |
| 13 | QB | output |
| 12 | QC | output |
| 11 | QD | output |
| 8 | 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.