EXHIBIT 21.1
DATA I/O CORPORATION
SUBSIDIARIES OF THE REGISTRANT
The following table indicates the name, jurisdiction of incorporation and basis of ownership of each of Data I/O’s subsidiaries:
| Name of Subsidiary | 
 | State or Jurisdiction of Organization | 
 | Percentage of Voting Securities Owned | 
 | |
| Data I/O International, Inc. | 
 | Washington | 
 | 
 | 100 | % | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| RTD, Inc. | 
 | Washington | 
 | 
 | 100 | % | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Data I/O FSC International, Inc. | 
 | Territory of Guam | 
 | 
 | 100 | % | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Data I/O GmbH | 
 | Germany | 
 | 
 | 100 | % | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Data I/O Electronics (Shanghai) Co., Ltd. | 
 | China | 
 | 
 | 100 | % |