| TRS3221ECDBR |  | Texas Instruments | 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 16-SSOP 0 to 70 |   |   | 
| TRSF3221EIRGTR |  | Texas Instruments | 3- to 5.5-V single channel 1Mbps RS-232 line driver/receiver with +/-15-kV IEC-ESD protection 16-VQFN -40 to 85 |   |   | 
| SN65C3221EDBR |  | Texas Instruments | 3-V To 5.5-V Single Channel RS-232 1 Mbit/s Line Driver/Receiver 16-SSOP -40 to 85 |   |   | 
| SN75C3221EDBR |  | Texas Instruments | 3-V To 5.5-V Single Channel RS-232 1 Mbit/s Line Driver/Receiver 16-SSOP 0 to 70 |   |   | 
| TRS3221ECPWR |  | Texas Instruments | 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 16-TSSOP 0 to 70 |   |   |