SN74LS19ADR и другие
| Компонент | Описание | Производитель | |
| SN74LS19AD | SCHMITT-TRIGGER POSITIVE-NAND GATES AND INVERTERS WITH TOTEM-POLE OUTPUTS |
Texas Instruments |
 |
| SN74LS19ADR | HEX SCHMITT-TRIGGER INVERTERS |
Texas Instruments |
|