Texas Instruments Datasheets for RS-232, RS-422, and RS-485 Interfaces
RS-232, RS-422, and RS-485 are standard interfaces approved by the Electronic Industries Association (EIA) for connecting serial devices. They are serial communication standards providing asynchronous communication capability with hardware flow control, software flow control, and parity check.
RS-232, RS-422, and RS-485 Interfaces: Learn more
| Product Name | Notes |
|---|---|
| 1.8-V to 5-V Dual UART with 64-Byte FIFOs 44-PLCC -40 to 85 | |
| 1.8-V to 5-V Dual UART with 64-Byte FIFOs 44-PLCC 0 to 70 | |
| 3-V to 5-V Multichannel RS-232 Compatible Line Driver/Receiver 20-SOIC 0 to 70 | |
| 3-V to 5-V Multichannel RS-232 Compatible Line Driver/Receiver 20-SSOP 0 to 70 | |
| 3-V to 5-V Multichannel RS-232 Compatible Line Driver/Receiver 20-TSSOP 0 to 70 | |
| 3-V to 5.5-V Dual RS-232 Port 48-SSOP 0 to 70 | |
| 3-V to 5.5-V Dual RS-232 Port 48-TSSOP 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver 20-SOIC 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver 20-TSSOP 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-SOIC 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-SSOP 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-TSSOP 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 28-SOIC 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 28-SSOP 0 to 70 | |
| 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 28-TSSOP 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD (HBM) Protection 20-SOIC 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD (HBM) Protection 20-SSOP 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD (HBM) Protection 20-TSSOP 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD (HBM) Protection 28-SOIC 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD (HBM) Protection 28-SSOP 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-SOIC 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-SSOP -40 to 85 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-SSOP 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-TSSOP -40 to 85 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 20-TSSOP 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 20-SOIC -40 to 85 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 20-SOIC 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 20-SSOP -40 to 85 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 20-SSOP 0 to 70 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 20-TSSOP -40 to 85 | |
| 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 20-TSSOP 0 to 70 | |
| 3-V To 5.5-V Single Channel RS-232 1 Mbit/s Line Driver/Receiver 16-SSOP 0 to 70 | |
| 3-V To 5.5-V Single Channel RS-232 1 Mbit/s Line Driver/Receiver 16-TSSOP 0 to 70 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 16-SSOP -40 to 85 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 16-SSOP 0 to 70 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 16-TSSOP -40 to 85 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 16-TSSOP 0 to 70 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 16-SSOP -40 to 85 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 16-SSOP 0 to 70 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 16-TSSOP -40 to 85 | |
| 3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 16-TSSOP 0 to 70 | |
| 3-V To 5.5-V Two Channel RS-232 1 Mbit/s Line Driver/Receiver with +/-15 kV IEC ESD Protection 16-SOIC 0 to 70 | |
| 3-V To 5.5-V Two Channel RS-232 1 Mbit/s Line Driver/Receiver with +/-15 kV IEC ESD Protection 16-SSOP 0 to 70 | |
| 3-V To 5.5-V Two Channel RS-232 1 Mbit/s Line Driver/Receiver with +/-15 kV IEC ESD Protection 16-TSSOP 0 to 70 | |
| 3-V To 5.5-V Two Channel RS-232 Compatible Line Driver/Receiver 16-SOIC 0 to 70 | |
| 3-V To 5.5-V Two Channel RS-232 Compatible Line Driver/Receiver 16-SSOP 0 to 70 | |
| 3-V To 5.5-V Two Channel RS-232 Compatible Line Driver/Receiver 16-TSSOP 0 to 70 | |
| 3.3-V/5-V Multichannel RS-232 Line Driver/Receiver 28-SSOP 0 to 70 | |
| 3.3/5-V RS-485 Transceiver 8-PDIP 0 to 70 | |
| 3.3/5-V RS-485 Transceiver 8-SOIC 0 to 70 | |
| 3.3V Differential Transceiver 8-SOIC 0 to 70 | |
| 5 V Multichannel RS-232 Line Driver/Receiver with +/-15 kV ESD Protection 28-SOIC -40 to 85 | |
| 5 V Multichannel RS-232 Line Driver/Receiver with +/-15 kV ESD Protection 28-SOIC 0 to 70 | |
| 5 V Multichannel RS-232 Line Driver/Receiver with +/-15 kV ESD Protection 28-SSOP -40 to 85 | |
| 5 V Multichannel RS-232 Line Driver/Receiver with +/-15 kV ESD Protection 28-SSOP 0 to 70 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15 kV ESD Protection 16-PDIP -40 to 85 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15 kV ESD Protection 16-PDIP 0 to 70 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15 kV ESD Protection 16-SOIC -40 to 85 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15 kV ESD Protection 16-SOIC 0 to 70 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15 kV ESD Protection 16-TSSOP -40 to 85 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15 kV ESD Protection 16-TSSOP 0 to 70 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 16-SOIC -40 to 85 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 16-TSSOP -40 to 85 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 18-PDIP -40 to 85 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 18-SOIC -40 to 85 | |
| 5-V Dual RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 18-SOIC 0 to 70 | |
| 5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 24-SOIC -40 to 85 | |
| 5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 24-SOIC 0 to 70 | |
| 5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 24-SSOP -40 to 85 | |
| 5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 24-SSOP 0 to 70 | |
| 5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD Protection 28-SSOP 0 to 70 | |
| 9-Channel Differential Transceiver 56-CFP -55 to 125 | |
| 9-Channel Differential Transceiver 56-TSSOP | |
| Automotive Catalog 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver With +/- 15-kV ESD 20-TSSOP -40 to 125 | |
| Bus-Polarity Correcting RS-485 Transceiver with IEC-ESD Protection 8-SOIC -40 to 85 | |
| Differential Bus Transceiver 20-LCCC -55 to 125 | |
| Differential Bus Transceiver 8-CDIP -55 to 125 | |
| Differential Bus Transceiver 8-PDIP 0 to 70 | |
| Differential Bus Transceiver 8-SO 0 to 70 | |
| Differential Bus Transceiver 8-SOIC 0 to 70 | |
| Differential Driver And Receiver Pair 14-PDIP 0 to 70 | |
| Differential Driver And Receiver Pair 14-SO 0 to 70 | |
| Differential Driver And Receiver Pair 14-SOIC 0 to 70 | |
| Differential Driver And Receiver Pair 8-PDIP 0 to 70 | |
| Differential Driver And Receiver Pair 8-SO 0 to 70 | |
| Differential Driver And Receiver Pair 8-SOIC 0 to 70 | |
| Dual Differential Drivers and Receivers 16-PDIP | |
| Dual Differential Drivers And Receivers 16-SO 0 to 70 | |
| Dual Differential Drivers and Receivers 16-SO | |
| Dual Differential Drivers And Receivers 16-SSOP 0 to 70 | |
| Dual Differential Drivers And Receivers 16-TSSOP 0 to 70 | |
| Dual Differential Line Driver 8-PDIP 0 to 70 | |
| Dual Differential Line Driver 8-SO 0 to 70 | |
| Dual Differential Line Driver 8-SOIC 0 to 70 | |
| Dual RS-232 Driver/Receiver With IEC61000-4-2 Protection 16-PDIP -40 to 85 | |
| Dual RS-232 Driver/Receiver With IEC61000-4-2 Protection 16-PDIP 0 to 70 | |
| Dual RS-232 Driver/Receiver With IEC61000-4-2 Protection 16-SO 0 to 70 | |
| Dual RS-232 Driver/Receiver With IEC61000-4-2 Protection 16-SOIC -40 to 85 | |
| Dual RS-232 Driver/Receiver With IEC61000-4-2 Protection 16-SOIC 0 to 70 | |
| Dual RS-232 Driver/Receiver With IEC61000-4-2 Protection 16-TSSOP -40 to 85 | |
| Dual RS-232 Driver/Receiver With IEC61000-4-2 Protection 16-TSSOP 0 to 70 | |
| Dual UART With 64-Byte FIFO 32-VQFN -40 to 85 | |
| Dual UART With 64-Byte FIFO 32-VQFN 0 to 70 | |
| Dual UART With 64-Byte FIFO 48-TQFP -40 to 85 | |
| Dual UART With 64-Byte FIFO 48-TQFP 0 to 70 | |
| Half-duplex,15-kV ESD, 1/4 UL Transceiver 8-PDIP 0 to 70 | |
| Half-duplex,15-kV ESD, 1/4 UL Transceiver 8-SOIC 0 to 70 | |
| High-Output RS-485 Transceiver 8-PDIP 0 to 70 | |
| High-Output RS-485 Transceiver 8-SOIC 0 to 70 | |
| Low-Power Differential Line Driver And Receiver Pair 14-SOIC 0 to 70 | |
| Low-Power Differential Line Driver And Receiver Pair 8-SOIC 0 to 70 | |
| Low-Power Differential Line Driver and Receiver Pairs 8-SOIC 0 to 70 | |
| Low-Power Half-duplex RS-485 Transceiver 8-PDIP 0 to 70 | |
| Low-Power Half-duplex RS-485 Transceiver 8-SOIC 0 to 70 | |
| Low-Power Half-duplex RS-485 Transceiver 8-VSSOP -40 to 85 | |
| Low-Power Half-duplex RS-485 Transceiver 8-VSSOP 0 to 70 | |
| Low-Power Multiple RS-232 Drivers and Receivers 20-PDIP 0 to 70 | |
| Low-Power Multiple RS-232 Drivers and Receivers 20-SOIC 0 to 70 | |
| Low-Power Multiple RS-232 Drivers and Receivers 20-SSOP 0 to 70 | |
| Multiple RS-232 Driver And Receiver 20-PDIP 0 to 70 | |
| Multiple RS-232 Driver And Receiver 20-SOIC 0 to 70 | |
| Multiple RS-232 Drivers And Receivers 20-PDIP 0 to 70 | |
| Multiple RS-232 Drivers And Receivers 20-SOIC 0 to 70 | |
| Multiple RS-232 Drivers And Receivers 20-SSOP 0 to 70 | |
| Multiple RS-232 Drivers And Receivers 20-TSSOP 0 to 70 | |
| PROFIBUS RS-485 Transceiver 8-SOIC 0 to 70 | |
| Quad RS-485 Differential Line Drivers 16-PDIP 0 to 70 | |
| Quad RS-485 Differential Line Drivers 16-SOIC 0 to 70 | |
| Quad RS-485 Differential Line Drivers 20-SOIC 0 to 70 | |
| Quad UART with 64-Byte FIFO 64-LQFP -40 to 85 | |
| Quad UART with 64-Byte FIFO 64-LQFP 0 to 70 | |
| Quadruple Differential Line Driver 16-PDIP 0 to 70 | |
| Quadruple Differential Line Driver 16-SO 0 to 70 | |
| Quadruple Differential Line Driver 16-SOIC 0 to 70 | |
| Quadruple Differential Line Drivers 20-SOIC 0 to 70 | |
| Quadruple Differential Line Drivers 20-SOIC | |
| Quadruple Differential Line Receiver 16-CDIP -55 to 125 | |
| Quadruple Differential Line Receiver 16-PDIP 0 to 70 | |
| Quadruple Differential Line Receiver 16-SO 0 to 70 | |
| Quadruple Differential Line Receiver 16-SOIC 0 to 70 | |
| Quadruple Line Driver 14-CDIP -55 to 125 | |
| Quadruple Line Driver 14-CFP -55 to 125 | |
| Quadruple Line Driver 14-PDIP 0 to 70 | |
| Quadruple Line Driver 14-SOIC 0 to 70 | |
| Quadruple Line Driver 20-LCCC -55 to 125 | |
| Quadruple Line Receiver 14-CDIP -55 to 125 | |
| Quadruple Line Receiver 14-CFP -55 to 125 | |
| Quadruple Line Receiver 14-SO 0 to 70 | |
| Quadruple Line Receiver 14-SOIC 0 to 70 | |
| Quadruple Line Receiver 20-LCCC -55 to 125 | |
| Quadruple Low-Power Differential Line Driver 16-CDIP -55 to 125 | |
| Quadruple Low-Power Differential Line Driver 16-CFP -55 to 125 | |
| Quadruple Low-Power Differential Line Driver 16-PDIP 0 to 70 | |
| Quadruple Low-Power Differential Line Driver 20-LCCC -55 to 125 | |
| Quadruple Low-Power Differential Line Driver 20-SOIC 0 to 70 | |
| Quadruple Low-Power Differential Line Receiver 16-CDIP -55 to 125 | |
| Quadruple Low-Power Differential Line Receiver 16-CFP -55 to 125 | |
| Quadruple Low-Power Differential Line Receiver 16-PDIP 0 to 70 | |
| Quadruple Low-Power Differential Line Receiver 20-LCCC -55 to 125 | |
| Quadruple Low-Power Line Driver 14-PDIP 0 to 70 | |
| Quadruple Low-Power Line Driver 14-SO 0 to 70 | |
| Quadruple Low-Power Line Driver 14-SOIC 0 to 70 | |
| Quadruple Low-Power Line Receiver 14-PDIP 0 to 70 | |
| Quadruple Low-Power Line Receiver 14-SO 0 to 70 | |
| Quadruple RS-485 Differential Line Drivers 16-PDIP 0 to 70 | |
| Quadruple RS-485 Differential Line Drivers 16-SOIC 0 to 70 | |
| Quadruple RS-485 Differential Line Drivers 20-SOIC 0 to 70 | |
| Quadruple RS-485 Differential Line Receivers 16-PDIP 0 to 70 | |
| Quadruple RS-485 Differential Line Receivers 16-SOIC 0 to 70 | |
| SCSI Differential Converter Control 56-SSOP 0 to 70 | |
| Transient Voltage Suppression Differential Transceiver 8-PDIP 0 to 70 | |
| Transient Voltage Suppression Differential Transceiver 8-SOIC 0 to 70 | |
| Triple Low-Power Drivers And Receivers 16-PDIP 0 to 70 | |
| Triple Low-Power Drivers And Receivers 16-SO 0 to 70 | |
| Triple Low-Power Drivers And Receivers 16-SOIC 0 to 70 | |
| Triple RS-232 Drivers/Receivers 16-PDIP 0 to 70 | |
| Triple RS-232 Drivers/Receivers 16-SOIC 0 to 70 |
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