4 salidas binarias, 2 entradas de relojSerie 74LS
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SN74LS92 divide-by-12 counter
SN74LS92
Texas Instruments · Serie 74LS
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Descripción
The SN74LS92 is a "Divide-By-12" counter (4 bits). Similar to the 74LS90, but counting resets at 12. It also has internal flip-flops and ports for cascading with other counters. Widely used in frequency dividers and modular counters.
Tabla de Verdad
| QA | QB | QC | QD | Conteo |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 1 |
| 0 | 1 | 0 | 0 | 2 |
| 1 | 1 | 0 | 0 | 3 |
| 0 | 0 | 1 | 0 | 4 |
| 1 | 0 | 1 | 0 | 5 |
| 0 | 1 | 1 | 0 | 6 |
| 1 | 1 | 1 | 0 | 7 |
| 0 | 0 | 0 | 1 | 8 |
| 1 | 0 | 0 | 1 | 9 |
| 0 | 1 | 0 | 1 | 10 |
| 1 | 1 | 0 | 1 | 11 |