| Компонент | Описание | Производитель | |
| CY74FCT257ATQC | QUADRUPLE 1-OF-2 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
Texas Instruments |
|
| CY74FCT257ATQCT | QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
Texas Instruments |
|
| CY74FCT257ATQCTE4 | QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
Texas Instruments |