| nr | name | cat | description | manufacturer | 
| 213 | ADM213 | driver | 0.1 µF, +5V Powered CMOS* RS-232 Driver/Receivers, data | AD | 
| 213 | ADM213E | driver | EMI/EMC Compliant, ±15kV ESD Protected, RS-232 Line Drivers/Receivers, data | AD | 
| 213 | MAX213 | xcvr | 5V-Powere, 4 Drivers/S Receivers RS-232 Serial Port with 0.1 uF External Capacitors | Maxim* | 
| 213 | MAX213E | xcvr | +10kV ESD-Protected, 5V-Powered RS-232 Serial Port | Maxim* | 
| 213 | OP213 | amp* | Dual* Low Noise, Low Drift Single-Supply Operational Amplifiers, data | AD | 
| 2130 |  | mcu? | Voice Messaging Processor, | Dallas* | 
| 2130 | DS2130Q | mcu? | Voice Messaging Processor, Data, PS (647 Kb) | Dallas* | 
| 2131 | OPA2131 |  | Dual* General Purpose FET-input Op Amp*, pinout | Burr-Brown | 
| 2132 |  | mcu? | Digital Answering Machine Processor, | Dallas* | 
| 2132 | DS2132A | mcu? | Digital Answering Machine Processor, Data, PS (642 Kb) | Dallas* | 
| 2132 | DS2132Q | mcu? | Digital Answering Machine Processor, Data, PS (642 Kb) | Dallas* | 
| 2132 | OPA2132 |  | Dual* High-Speed FET-Input Op Amp*, pinout | Burr-Brown | 
| 2135 | SSM2135 | amp* | Dual* Single-Supply Audio Operational Amplifier, data | AD |