.
                                                                               .
                                                                               .

                                                                    Exhibit 21.1

                          Catalyst Semiconductor, Inc.
                              List of Subsidiaries

<Table>
<Caption>
Name                                                             Jurisdiction of Incorporation
- ----                                                             -----------------------------
                                                             
Catalyst Semiconductor International Ltd.                        Cayman Islands

Catalyst Semiconductor Romania S.R.L.                            Romania

Nippon Catalyst K.K.                                             Japan
</Table>