Digi-Key Electronics 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

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Product Name Notes
IC BRIDGE DUAL UART 48TQFP
IC BRIDGE QUAD UART 64LQFP
IC CONTROLLER 24HVQFN
IC DRIVER 4/0 16SOIC
IC DUAL UART 64BYTE 28TSSOP
IC DUAL UART 64BYTE 32HVQFN
IC DUAL UART W/FIFO 3.3V 32-QFN
IC QUAD UART W/FIFO 3.3V 48-TQFP
IC RECEIVER 0/4 16DIP
IC RECEIVER 0/4 16SOIC
IC SERIAL USB-C UART QFN-56
IC SERIAL USB-C UART QFN-68
IC TRANSCEIVER FULL 1/1 14SOIC
IC TRANSCEIVER FULL 1/1 16SSOP
IC TRANSCEIVER FULL 1/1 16TSSOP
IC TRANSCEIVER FULL 1/1 8SOIC
IC TRANSCEIVER FULL 2/2 16DIP
IC TRANSCEIVER FULL 2/2 16SOIC
IC TRANSCEIVER FULL 2/2 16SSOP
IC TRANSCEIVER FULL 2/2 16TSSOP
IC TRANSCEIVER FULL 2/2 18DIP
IC TRANSCEIVER FULL 2/2 18SOIC
IC TRANSCEIVER FULL 2/2 20DIP
IC TRANSCEIVER FULL 2/2 20SOIC
IC TRANSCEIVER FULL 2/2 20SSOP
IC TRANSCEIVER FULL 2/2 20TSSOP
IC TRANSCEIVER FULL 3/2 20TSSOP
IC TRANSCEIVER FULL 4/4 24SOIC
IC TRANSCEIVER FULL 4/4 24SSOP
IC TRANSCEIVER FULL 4/5 28SOIC
IC TRANSCEIVER FULL 4/5 28SSOP
IC TRANSCEIVER HALF 1/1 8SOIC
IC TXRX RS232 SPI INT-CAP 28-DIP
IC TXRX RS232 SPI INT-CAP 28SOIC
IC TXRX RS232 SPI W/CAP 28-DIP
IC TXRX RS232 SPI W/CAP 28-SOIC
IC UART 16TSSOP
IC UART 64BYTE 24HVQFN
IC UART 64BYTE 24TSSOP
IC UART DUAL 12C/SPI 28TSSOP
IC UART DUAL I2C/SPI 28-TSSOP
IC UART DUAL I2C/SPI 32-HVQFN
IC UART FIFO I2C/SPI 64B 16QFN
IC UART FIFO I2C/SPI 64B 16TSSOP
IC UART FIFO I2C/SPI 64B 24QFN
IC UART FIFO I2C/SPI 64B 24TSSOP
IC UART FIFO I2C/SPI 64B 28QFN
IC UART FIFO I2C/SPI 64B 28TSSOP
IC UART FIFO I2C/SPI 64B 32QFN
IC UART I2C/SPI 128 BYTE 24QFN
IC UART I2C/SPI 128 BYTE 32QFN
IC UART I2C/SPI 128 BYTE 40QFN
IC UART I2C/SPI 24-HVQFN
IC UART I2C/SPI 24-TSSOP
IC UART SGL I2C BUS SPI 16TSSOP
IC UART SGL I2C/SPI 24HVQFN
IC UART SINGLE W/FIFO 16-TSSOP
IC UART SPI COMPAT 16-QSOP
IC UART SPI COMPAT 28-DIP
IC UART SPI COMPAT 28-SOIC
IC UART SPI MICROCOMPATBL 14-DIP
IC UART SPI MICROWIRE-COMP 14DIP
IC UART SPI MICRWR W/TXRX 28QSOP
IC UART SPI RS485/422 28-QSOP
IC UART SPI/I2C 128 FIFO 24SSOP
IC UART SPI/I2C 128 FIFO 24TQFN
IC UART SPI/MICROWIRE 24TQFN
IC UART SPI/MICRWIRE COMP 16QSOP
IC UART TXRX 128 BYTE 32QFN
IC UART TXRX 128 BYTE 40QFN
IC UART W/RS485 28-QSOP
IC UART/TXRX I2C/SPI RS232 40QFN
IC UART/TXRX I2C/SPI RS232 64QFN
IC UART/TXRX RS232 W/CAPS 28SOIC
IC USB-C SERIAL UART QFN-76

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