| 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 |   |   | 
| TRS3222ECDBR |  | Texas Instruments | 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-SSOP 0 to 70 |   |   | 
| TRS3222EIDB |  | Texas Instruments | 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-SSOP -40 to 85 |   |   | 
| TRS3222EIPWR |  | Texas Instruments | 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-TSSOP -40 to 85 |   |   | 
| TRS3223EIDBR |  | Texas Instruments | 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 20-SSOP -40 to 85 |   |   |