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
Interface - Controllers -- PI7C9X752FAE-ND
Interface - Controllers -- PI7C9X752FAEXDICT-ND
Interface - Controllers -- PI7C9X752FAEXDIDKR-ND
Interface - Controllers -- PI7C9X752FAEXDITR-ND
IC BRIDGE DUAL UART 48TQFP
Interface - Controllers -- PI7C9X794FCE-ND
Interface - Controllers -- PI7C9X794FCEXDICT-ND
Interface - Controllers -- PI7C9X794FCEXDIDKR-ND
Interface - Controllers -- PI7C9X794FCEXDITR-ND
IC BRIDGE QUAD UART 64LQFP
Interface - Controllers -- 568-7582-ND IC CONTROLLER 24HVQFN
Interface - Drivers, Receivers, Transceivers -- 1016-1040-5-ND IC DRIVER 4/0 16SOIC
Interface - Controllers -- 568-11944-1-ND
Interface - Controllers -- 568-11944-2-ND
Interface - Controllers -- 568-11944-6-ND
Interface - Controllers -- 568-4021-5-ND
Interface - Controllers -- SC16IS762IPW,128-ND
IC DUAL UART 64BYTE 28TSSOP
Interface - Controllers -- 568-SC16IS762IBS128-ND
Interface - Controllers -- SC16IS752IBS,157-ND
Interface - Controllers -- SC16IS762IBS,157-ND
IC DUAL UART 64BYTE 32HVQFN
Interface - Controllers -- 1016-1972-ND
Interface - Controllers -- XR28V382IL32TR-F-ND
IC DUAL UART W/FIFO 3.3V 32-QFN
Interface - Controllers -- 1016-1973-ND
Interface - Controllers -- XR28V384IM48TR-F-ND
IC QUAD UART W/FIFO 3.3V 48-TQFP
Interface - Drivers, Receivers, Transceivers -- 1016-1042-5-ND IC RECEIVER 0/4 16DIP
Interface - Drivers, Receivers, Transceivers -- 1016-1041-5-ND IC RECEIVER 0/4 16SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1004-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1043-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1046-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1049-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1053-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1056-5-ND
IC TRANSCEIVER FULL 1/1 14SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1068-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1070-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1072-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1074-5-ND
IC TRANSCEIVER FULL 1/1 16SSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1069-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1071-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1073-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1075-5-ND
IC TRANSCEIVER FULL 1/1 16TSSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1044-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1047-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1050-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1054-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1057-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1059-5-ND
IC TRANSCEIVER FULL 1/1 8SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1006-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1009-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1021-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1024-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1027-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1030-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1103-5-ND
IC TRANSCEIVER FULL 2/2 16DIP
Interface - Drivers, Receivers, Transceivers -- 1016-1005-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1007-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1008-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1010-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1020-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1022-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1023-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1025-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1026-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1028-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1029-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1031-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1095-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1096-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1099-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1102-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1104-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1107-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1108-5-ND
IC TRANSCEIVER FULL 2/2 16SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1094-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1098-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1101-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1106-5-ND
IC TRANSCEIVER FULL 2/2 16SSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1097-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1100-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1105-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1109-5-ND
IC TRANSCEIVER FULL 2/2 16TSSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1062-5-ND IC TRANSCEIVER FULL 2/2 18DIP
Interface - Drivers, Receivers, Transceivers -- 1016-1061-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1063-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1064-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1065-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1079-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1082-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1084-5-ND
IC TRANSCEIVER FULL 2/2 18SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1032-5-ND IC TRANSCEIVER FULL 2/2 20DIP
Interface - Drivers, Receivers, Transceivers -- 1016-1033-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1034-5-ND
IC TRANSCEIVER FULL 2/2 20SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1076-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1078-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1081-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1086-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1088-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1090-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1092-ND
IC TRANSCEIVER FULL 2/2 20SSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1077-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1080-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1083-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1085-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1087-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1089-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1091-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1093-ND
IC TRANSCEIVER FULL 2/2 20TSSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1066-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1067-5-ND
IC TRANSCEIVER FULL 3/2 20TSSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1013-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1035-5-ND
IC TRANSCEIVER FULL 4/4 24SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1011-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1012-5-ND
IC TRANSCEIVER FULL 4/4 24SSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1016-5-ND IC TRANSCEIVER FULL 4/5 28SOIC
Interface - Drivers, Receivers, Transceivers -- 1016-1014-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1015-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1017-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1018-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1019-5-ND
IC TRANSCEIVER FULL 4/5 28SSOP
Interface - Drivers, Receivers, Transceivers -- 1016-1000-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1001-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1002-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1003-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1045-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1048-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1051-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1052-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1055-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1058-5-ND
Interface - Drivers, Receivers, Transceivers -- 1016-1060-5-ND
IC TRANSCEIVER HALF 1/1 8SOIC
Interface - Controllers -- MAX3111ECNI-ND
Interface - Controllers -- MAX3111EENI-ND
IC TXRX RS232 SPI INT-CAP 28-DIP
Interface - Controllers -- MAX3110EEWI-ND IC TXRX RS232 SPI INT-CAP 28SOIC
Interface - Controllers -- MAX3110ECNI+G36-ND
Interface - Controllers -- MAX3110ECNI-ND
IC TXRX RS232 SPI W/CAP 28-DIP
Interface - Controllers -- MAX3111ECWI+G36-ND
Interface - Controllers -- MAX3111ECWI-ND
Interface - Controllers -- MAX3111EEWI+G36-ND
Interface - Controllers -- MAX3111EEWI-ND
IC TXRX RS232 SPI W/CAP 28-SOIC
Interface - Controllers -- 568-5784-5-ND
Interface - Controllers -- SC16IS741IPW,128-ND
IC UART 16TSSOP
Interface - Controllers -- SC16IS750IBS,157-ND
Interface - Controllers -- SC16IS760IBS,157-ND
IC UART 64BYTE 24HVQFN
Interface - Controllers -- 568-4185-5-ND
Interface - Controllers -- SC16IS760IPW,128-ND
IC UART 64BYTE 24TSSOP
Interface - Controllers -- 568-4016-5-ND IC UART DUAL 12C/SPI 28TSSOP
Interface - Controllers -- 568-2237-5-ND
Interface - Controllers -- 568-2241-5-ND
Interface - Controllers -- SC16IS752IPW-T-ND
Interface - Controllers -- SC16IS762IPW-T-ND
IC UART DUAL I2C/SPI 28-TSSOP
Interface - Controllers -- 568-13608-1-ND
Interface - Controllers -- 568-13608-2-ND
Interface - Controllers -- 568-13608-6-ND
Interface - Controllers -- 568-2236-ND
Interface - Controllers -- 568-2240-ND
Interface - Controllers -- SC16IS762IBS-T-ND
IC UART DUAL I2C/SPI 32-HVQFN
Interface - Controllers -- 1016-1475-ND
Interface - Controllers -- XR20M1170IL16TR-F-ND
IC UART FIFO I2C/SPI 64B 16QFN
Interface - Controllers -- 1016-1297-5-ND
Interface - Controllers -- XR20M1170IG16-ND
Interface - Controllers -- XR20M1170IG16TR-F-ND
IC UART FIFO I2C/SPI 64B 16TSSOP
Interface - Controllers -- 1016-1476-ND
Interface - Controllers -- XR20M1170IL24TR-F-ND
IC UART FIFO I2C/SPI 64B 24QFN
Interface - Controllers -- 1016-1571-5-ND
Interface - Controllers -- XR20M1170IG24-ND
Interface - Controllers -- XR20M1170IG24TR-F-ND
IC UART FIFO I2C/SPI 64B 24TSSOP
Interface - Controllers -- XR20M1170IL28-F-ND IC UART FIFO I2C/SPI 64B 28QFN
Interface - Controllers -- 1016-1298-5-ND
Interface - Controllers -- XR20M1172IG28-ND
Interface - Controllers -- XR20M1172IG28TR-F-ND
IC UART FIFO I2C/SPI 64B 28TSSOP
Interface - Controllers -- 1016-1477-ND
Interface - Controllers -- XR20M1172IL32TR-F-ND
IC UART FIFO I2C/SPI 64B 32QFN
Interface - Controllers -- 1016-1379-ND
Interface - Controllers -- XR20M1280IL24TR-F-ND
IC UART I2C/SPI 128 BYTE 24QFN
Interface - Controllers -- 1016-1386-ND
Interface - Controllers -- XR20M1280IL32TR-F-ND
IC UART I2C/SPI 128 BYTE 32QFN
Interface - Controllers -- 1016-1385-ND
Interface - Controllers -- 1016-1387-ND
Interface - Controllers -- XR20M1280IL40TR-F-ND
IC UART I2C/SPI 128 BYTE 40QFN
Interface - Controllers -- 568-13253-1-ND
Interface - Controllers -- 568-13253-2-ND
Interface - Controllers -- 568-13253-6-ND
Interface - Controllers -- 568-2234-ND
Interface - Controllers -- 568-2238-ND
Interface - Controllers -- SC16IS760IBS,128-ND
IC UART I2C/SPI 24-HVQFN
Interface - Controllers -- 568-2235-5-ND
Interface - Controllers -- 568-2239-5-ND
Interface - Controllers -- 568-4183-5-ND
Interface - Controllers -- 568-4523-1-ND
Interface - Controllers -- 568-4523-2-ND
Interface - Controllers -- 568-4523-6-ND
Interface - Controllers -- SC16IS750IPW-T-ND
Interface - Controllers -- SC16IS760IPW-T-ND
IC UART I2C/SPI 24-TSSOP
Interface - Controllers -- SC16IS741IPW,118-ND IC UART SGL I2C BUS SPI 16TSSOP
Interface - Controllers -- SC16IS850LIBS,128-ND
Interface - Controllers -- SC16IS850LIBS,151-ND
IC UART SGL I2C/SPI 24HVQFN
Interface - Controllers -- 568-11928-1-ND
Interface - Controllers -- 568-11928-2-ND
Interface - Controllers -- 568-11928-6-ND
Interface - Controllers -- 568-3648-5-ND
Interface - Controllers -- 568-6674-1-ND
Interface - Controllers -- 568-6674-2-ND
Interface - Controllers -- 568-6674-6-ND
IC UART SINGLE W/FIFO 16-TSSOP
Interface - Controllers -- MAX3100CEE+CT-ND
Interface - Controllers -- MAX3100CEE+DKR-ND
Interface - Controllers -- MAX3100CEE+TR-ND
Interface - Controllers -- MAX3100EEE+TCT-ND
Interface - Controllers -- MAX3100EEE+TDKR-ND
Interface - Controllers -- MAX3100EEE+TTR-ND
IC UART SPI COMPAT 16-QSOP
Interface - Controllers -- MAX3110EENI+G36-ND
Interface - Controllers -- MAX3110EENI-ND
Interface - Controllers -- MAX3111ECNI+G36-ND
Interface - Controllers -- MAX3111EENI+G36-ND
IC UART SPI COMPAT 28-DIP
Interface - Controllers -- MAX3110ECWI+TG36CT-ND
Interface - Controllers -- MAX3110ECWI+TG36DKR-ND
Interface - Controllers -- MAX3110ECWI+TG36TR-ND
Interface - Controllers -- MAX3110EEWI+G36-ND
Interface - Controllers -- MAX3110EEWI+TG36-ND
Interface - Controllers -- MAX3111ECWI+TG36-ND
Interface - Controllers -- MAX3111EEWI+TG36-ND
IC UART SPI COMPAT 28-SOIC
Interface - Controllers -- MAX3100CPD+-ND
Interface - Controllers -- MAX3100CPD-ND
IC UART SPI MICROCOMPATBL 14-DIP
Interface - Controllers -- MAX3100EPD+-ND
Interface - Controllers -- MAX3100EPD-ND
IC UART SPI MICROWIRE-COMP 14DIP
Interface - Controllers -- MAX3140CEI+-ND
Interface - Controllers -- MAX3140CEI-ND
IC UART SPI MICRWR W/TXRX 28QSOP
Interface - Controllers -- MAX3140EEI-ND IC UART SPI RS485/422 28-QSOP
Interface - Controllers -- MAX3107EAG+-ND
Interface - Controllers -- MAX3107EAG+TCT-ND
Interface - Controllers -- MAX3107EAG+TDKR-ND
Interface - Controllers -- MAX3107EAG+TTR-ND
IC UART SPI/I2C 128 FIFO 24SSOP
Interface - Controllers -- MAX3107ETG+-ND
Interface - Controllers -- MAX3107ETG+G3U-ND
Interface - Controllers -- MAX3107ETG+TCT-ND
Interface - Controllers -- MAX3107ETG+TG3U-ND
Interface - Controllers -- MAX3107ETG+TTR-ND
IC UART SPI/I2C 128 FIFO 24TQFN
Interface - Controllers -- MAX3100ETG+-ND
Interface - Controllers -- MAX3100ETG+T-ND
IC UART SPI/MICROWIRE 24TQFN
Interface - Controllers -- MAX3100CEE+-ND
Interface - Controllers -- MAX3100CEE-ND
Interface - Controllers -- MAX3100CEE-T-ND
Interface - Controllers -- MAX3100EEE+-ND
Interface - Controllers -- MAX3100EEE-ND
IC UART SPI/MICRWIRE COMP 16QSOP
Interface - Controllers -- 1016-1382-ND
Interface - Controllers -- XR16M890IL32TR-F-ND
IC UART TXRX 128 BYTE 32QFN
Interface - Controllers -- XR16M890IL40TR-F-ND IC UART TXRX 128 BYTE 40QFN
Interface - Controllers -- MAX3140CEI+T-ND
Interface - Controllers -- MAX3140EEI+-ND
Interface - Controllers -- MAX3140EEI+T-ND
IC UART W/RS485 28-QSOP
Interface - Controllers -- 1016-1478-ND IC UART/TXRX I2C/SPI RS232 40QFN
Interface - Controllers -- XR20V2172IL64-F-ND IC UART/TXRX I2C/SPI RS232 64QFN
Interface - Controllers -- MAX3110ECWI+G36-ND
Interface - Controllers -- MAX3110ECWI-ND
IC UART/TXRX RS232 W/CAPS 28SOIC

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