EXHIBIT 21.1 LATTICE SEMICONDUCTOR CORPORATION SUBSIDIARIES OF THE REGISTRANT JURISDICTION NAME OF INCORPORATION ---- ---------------- 1. Lattice GmbH.......................................... Germany 2. Lattice Semiconducteurs SARL.......................... France 3. Lattice Semiconductor AB.............................. Sweden 4. Lattice Semiconductor Asia Limited.................... Hong Kong 5. Lattice Semiconductor KK.............................. Japan 6. Lattice Semiconductor (Shanghai) Co. Ltd.............. China 7. Lattice UK Limited.................................... United Kingdom 8. Vantis Corporation.................................... Delaware, USA 9. Vantis International Limited.......................... Delaware, USA 10. Vantis SAS............................................ France 11. Vantis GmbH........................................... Germany 12. Vantis (UK) Limited................................... United Kingdom 13. Vantis II (UK) Limited................................ United Kingdom 14. Vantis SRL............................................ Italy