14.8.284 MXC1
This component is supported by ACT 1, ACT 2, ACT 3, 3200DX, MX families.

- Function: Carry select multiplexer, used in adders
- Input: S, A, B, C, D
- Output: Y
| A | B | S | Y |
|---|---|---|---|
| 0 | X | 0 | C |
| 1 | X | 0 | D |
| X | 0 | 1 | C |
| X | 1 | 1 | D |
| Family | Seq | Comb |
|---|---|---|
| ACT 1/MX | — | 1 |
| Others | — | 2 |
Note: A 2 on the symbol implies a 2 logic module
delay on all families except ACT 1 and MX.
