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| XC3000 | XC4000E | XC4000X | XC5200 | XC9000 | Spartan | SpartanXL | Spartan2 | Virtex |
|---|---|---|---|---|---|---|---|---|
| Macro | Macro | Macro | Macro | Macro | Macro | Macro | Macro | Macro |
The M2_1B2 multiplexer chooses one data bit from two sources (D1 or D0) under the control of select input (S0). When S0 is Low, the output (O) reflects the state of !D0. When S0 is High, O reflects the state of !D1.
| Inputs | Outputs | ||
|---|---|---|---|
| S0 | D1 | D0 | O |
| 1 | 1 | X | 0 |
| 1 | 0 | X | 1 |
| 0 | X | 1 | 0 |
| 0 | X | 0 | 1 |
Figure 7.18 M2_1B2 Implementation XC3000, XC4000E, XC4000X, XC5200, XC9000, Spartan, SpartanXL, Spartan2, Virtex