14.8.174 DFM8B
This component is supported by ACT 3 family.

- Function: D-Type Flip-Flop with 4-input Multiplexed Data, active low Clear and Clock
- Input: D0, D1, D2, D3, S00, S01, S10, S11, CLK, CLR
- Output: Q
| CLR | S11 | S10 | S01 | S00 | CLK | Qn+1 |
|---|---|---|---|---|---|---|
| 0 | X | X | X | X | X | 0 |
| 1 | 0 | 0 | 0 | X | ↓ | D0 |
| 1 | 0 | 0 | X | 0 | ↓ | D0 |
| 1 | 0 | 0 | 1 | 1 | ↓ | D1 |
| 1 | 1 | X | 0 | X | ↓ | D2 |
| 1 | X | 1 | 0 | X | ↓ | D2 |
| 1 | 1 | X | X | 0 | ↓ | D2 |
| 1 | X | 1 | X | 0 | ↓ | D2 |
| 1 | 1 | X | 1 | 1 | ↓ | D3 |
| 1 | X | 1 | 1 | 1 | ↓ | D3 |
| Family | Seq | Comb |
|---|---|---|
| ACT3 | 1 | — |
Note:
The DFM8B macro represents the full ACT 3 S-Module.
Note:
The following schematic describes the interconnections of the select lines.
