74LS251 и другие
| Компонент | Описание | Производитель | |
| 54LS253 | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
 |
| 54LS253DMQB | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
|
| 54LS253FMQB | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
|
| 54LS253LMQB | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
|
| 54LS256 | Dual 4-Bit Addressable Latch |
National Semiconductor |
|
| 54LS256DMQB | Dual 4-Bit Addressable Latch |
National Semiconductor |
|
| 54LS256FMQB | Dual 4-Bit Addressable Latch |
National Semiconductor |
|
| 54LS257 | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
Texas Instruments |
|
| 54LS257 | TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
|
| 54LS257 | QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
Motorola, Inc |
|