| nr | name | cat | description | manufacturer | 
| 223 | ADM223 | driver | +5V Powered CMOS* RS-232 Drivers/Receivers, data | AD | 
| 223 | MAX223 | xcvr | 5V-Powered, RS-232 Transceiver with 2 Receivers Active in Shutdown | Maxim* | 
| 2230 |  | novram | dual Port NOVRAM Stik, | Dallas* | 
| 22320 | PEB22320-N | telecom | Primary Access Clock and Transceiver Component (PRACT) (SMD) | Siemens | 
| 2236 | PEB2236-N | isdn | ISDN Primary Access Transceiver (IPAT-2) (SMD) | Siemens | 
| 2236 | PEB2236-P | isdn | ISDN Primary Access Transceiver (IPAT-2) | Siemens | 
| 2236 | PEF2236-N | isdn | ISDN Primary Access Transceiver (IPAT-2) (SMD) | Siemens | 
| 2236 | PEF2236-P | isdn | ISDN Primary Access Transceiver (IPAT-2) | Siemens | 
| 22369 |  | transis | Fast switch Transistor | NS |