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74190
Synchronous Up/Down counters with Down/Up Mode Control
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 11 | ~{LOAD} | input |
| 14 | CLK | input |
| 5 | D/~{U} | input |
| 4 | ~{CTEN} | input |
| 15 | A | input |
| 1 | B | input |
| 10 | C | input |
| 9 | D | input |
| 16 | VCC | power_in |
| 13 | ~{RCO} | output |
| 12 | MAX/MIN | output |
| 3 | QA | output |
| 2 | QB | output |
| 6 | QC | output |
| 7 | 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.