Exhibit 21

List of Subsidiaries

NAME	STATE OR JURISDICTION OF ORGANIZATION
Pacinian Corporation	Delaware
Synaptics International, Inc.	California
Synaptics Hong Kong Limited	Hong Kong
Synaptics Europe Sarl	Switzerland
Synaptics Holding GmbH	Switzerland
Synaptics LLC	Delaware
Synaptics Technology (Shanghai) Company Limited	China
Synaptics Japan (K.K.) Limited	Japan
Synaptics Canada Limited	Canada