| Code | Relative drive | |------|----------------| | X0.5 | Ultra-weak | | X1 | Unit drive | | X2 | 2× unit | | X4 | 4× unit | | X8 | 8× unit | | X16 | Max drive |
| Code | Track height (metal 2 pitch) | |--------|------------------------------| | 6T | 6 tracks | | 7.5T | 7.5 tracks | | 9T | 9 tracks (high performance) | tsmc standard cell naming convention
INVX4 drives four times stronger than INVX1 . 3.3 Threshold Voltage (Vt) TSMC offers multiple Vt options to trade leakage power vs. speed. | Code | Relative drive | |------|----------------| | X0