| MC74AC257D | Quad 2 Input Multiplexer with 3 State Outputs in 16-pin SOIC package. | Datasheet*) |
| MC74AC257DR2 | Quad 2 Input Multiplexer with 3 State Outputs in 16-pin SOIC package. | Datasheet*) |
| MC74AC257M | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74AC257MEL | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74AC257ML1 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74AC257ML2 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74AC257MR1 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74AC257MR2 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74AC257N | Quad 2 Input Multiplexer with 3 State Outputs in 16-pin PDIP package. | Datasheet*) |
| MC74ACT257D | Quad 2 Input Multiplexer with 3 State Outputs in 16-pin SOIC package. | Datasheet*) |
| MC74ACT257DR2 | Quad 2 Input Multiplexer with 3 State Outputs in 16-pin SOIC package. | Datasheet*) |
| MC74ACT257M | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74ACT257MEL | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74ACT257ML1 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74ACT257ML2 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74ACT257MR1 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74ACT257MR2 | Quad 2 Input Multiplexer with 3 State Outputs | Datasheet*) |
| MC74ACT257N | Quad 2 Input Multiplexer with 3 State Outputs in 16-pin PDIP package. | Datasheet*) |
| MC74AC257DR2G | Quad 2-Input Multiplexer 3-State Output | Datasheet*) |
| MC74AC257MELG | Quad 2-Input Multiplexer 3-State Output | Datasheet*) |
| MC74AC257NG | Quad 2-Input Multiplexer 3-State Output | Datasheet*) |
| MC74ACT257DG | Quad 2-Input Multiplexer with 3-State Output | Datasheet*) |
| MC74ACT257DR2G | Quad 2-Input Multiplexer with 3-State Output | Datasheet*) |
| MC74ACT257MELG | Quad 2-Input Multiplexer with 3-State Output | Datasheet*) |
| MC74ACT257NG | Quad 2-Input Multiplexer with 3-State Output | Datasheet*) |
