DigiKey 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 |
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IC UART SPI/I2C 128-WORD 25WLP | |
RS232 Controller I²C, SPI Interface 40-QFN (6x6) | |
RS232 Controller I²C, SPI Interface 64-QFN (9x9) | |
RS232, RS485 Controller I²C, SPI, UART Interface 16-TSSOP | |
RS232, RS485 Controller I²C, SPI, UART Interface 24-HVQFN (4x4) | |
RS232, RS485 Controller I²C, SPI, UART Interface 24-SSOP | |
RS232, RS485 Controller I²C, SPI, UART Interface 24-TQFN (3.5x3.5) | |
RS232, RS485 Controller I²C, SPI, UART Interface 24-TSSOP | |
RS232, RS485 Controller I²C, SPI, UART Interface 28-TSSOP | |
RS232, RS485 Controller I²C, SPI, UART Interface 32-HVQFN (5x5) | |
RS232, RS485 Controller LPC Interface 32-QFN (5x5) | |
RS232, RS485 Controller LPC Interface 48-TQFP (7x7) | |
RS232, RS485 Controller SPI, UART Interface 14-PDIP | |
RS232, RS485 Controller SPI, UART Interface 16-QSOP | |
RS232, RS485 Controller SPI, UART Interface 24-TQFN (4x4) | |
RS232, RS485 Controller SPI, UART Interface 28-PDIP | |
RS232, RS485 Controller SPI, UART Interface 28-QSOP | |
RS232, RS485 Controller SPI, UART Interface 28-SOIC | |
RS232, RS485 Controller UART Interface 32-QFN (5x5) | |
RS232, RS485 Controller UART Interface 40-QFN (6x6) | |
RS232, RS485, RS422, USB Bridge, USB to UART,FIFO USB 2.0 I²C, FIFO, JTAG, Serial, SPI, UART Interface 56-VQFN (8x8) | |
RS232, RS485, RS422, USB Bridge, USB to UART,FIFO USB 2.0 I²C, FIFO, JTAG, Serial, SPI, UART Interface 64-QFN (9x9) | |
RS232, RS485, RS422, USB Controller USB 2.0 I²C, FIFO, JTAG, Serial, SPI, UART Interface 68-QFN (8x8) | |
RS232, RS485, RS422, USB Controller USB 2.0 I²C, FIFO, JTAG, Serial, SPI, UART Interface 76-QFN (9x9) | |
RS485 Controller I²C, SPI Interface 16-QFN (4x4) | |
RS485 Controller I²C, SPI Interface 16-TSSOP | |
RS485 Controller I²C, SPI Interface 24-QFN (4x4) | |
RS485 Controller I²C, SPI Interface 24-TSSOP | |
RS485 Controller I²C, SPI Interface 28-TSSOP | |
RS485 Controller I²C, SPI Interface 32-QFN (5x5) | |
RS485 Controller I²C, SPI Interface 40-QFN (6x6) | |
RS485 Controller IRDA 1.1 UART Interface 48-TQFP (7x7) | |
RS485 Controller IRDA 1.1 UART Interface 64-LQFP (10x10) | |
UART IC 1 Channel RS232, RS485 128 Byte 48-TQFP (7x7) | |
UART IC 1, UART Channel RS232 16 Byte 40-QFN (6x6) | |
UART IC 1, UART Channel RS232 28-CerDip | |
UART IC 1, UART Channel RS232 28-PDIP | |
UART IC 1, UART Channel RS232 28-PLCC (11.51x11.51) | |
UART IC 1, UART Channel RS232 40-PDIP | |
UART IC 1, UART Channel RS232 44-PLCC (16.58x16.58) | |
UART IC 1, UART Channel RS232, RS422 16 Byte 24-QFN (4x4) | |
UART IC 1, UART Channel RS232, RS422 16 Byte 32-QFN (5x5) | |
UART IC 1, UART Channel RS232, RS422 16 Byte 48-TQFP (7x7) | |
UART IC 1, UART Channel RS232, RS422, RS485 128 Byte 48-TQFP (7x7) | |
UART IC 1, UART Channel RS232, RS422, RS485 16 Byte 24-QFN (4x4) | |
UART IC 1, UART Channel RS232, RS422, RS485 16 Byte 25-BGA (3x3) | |
UART IC 1, UART Channel RS232, RS422, RS485 16 Byte 32-QFN (5x5) | |
UART IC 1, UART Channel RS232, RS422, RS485 16 Byte 48-TQFP (7x7) | |
UART IC 1, UART Channel RS232, RS422, RS485 32 Byte 44-PLCC (16.59x16.59) | |
UART IC 1, UART Channel RS232, RS422, RS485 32 Byte 48-TQFP (7x7) | |
UART IC 1, UART Channel RS232, RS422, RS485 32-LQFP (7x7) | |
UART IC 1, UART Channel RS232, RS422, RS485 64 Byte 32-QFN (5x5) | |
UART IC 1, UART Channel RS232, RS422, RS485 64 Byte 48-TQFP (7x7) | |
UART IC 1, UART Channel RS232, RS485 128 Byte 24-TSSOP | |
UART IC 1, UART Channel RS232, RS485 128 Byte 25-WLP (2.19x2.19) | |
UART IC 1, UART Channel RS232, RS485 16 Byte 24-QFN (4x4) | |
UART IC 1, UART Channel RS232, RS485 64 Byte 16-TSSOP | |
UART IC 1, UART Channel RS485 128 Byte 32-HVQFN (5x5) | |
UART IC 1, UART Channel RS485 128 Byte 36-TFBGA (3.5x3.5) | |
UART IC 1, UART Channel RS485 128 Byte 44-PLCC (16.59x16.59) | |
UART IC 1, UART Channel RS485 128 Byte 48-TQFP (7x7) | |
UART IC 1, UART Channel RS485 256 Byte 48-TSSOP | |
UART IC 1, UART Channel RS485 256 Byte 56-TSSOP | |
UART IC 1, UART Channel RS485 64 Byte 40-QFN (6x6) | |
UART IC 2, DUART Channel RS232 1 Byte 44-PLCC (16.59x16.59) | |
UART IC 2, DUART Channel RS232 1 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS232 16 Byte 32-QFN (5x5) | |
UART IC 2, DUART Channel RS232 16 Byte 44-PLCC (16.59x16.59) | |
UART IC 2, DUART Channel RS232 16 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS232 64 Byte 64-QFN (9x9) | |
UART IC 2, DUART Channel RS232, RS422 16 Byte 32-QFN (5x5) | |
UART IC 2, DUART Channel RS232, RS422 16 Byte 44-PLCC (16.59x16.59) | |
UART IC 2, DUART Channel RS232, RS422 16 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS232, RS422 32 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS232, RS422, RS485 64 Byte 32-QFN (5x5) | |
UART IC 2, DUART Channel RS232, RS422, RS485 64 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS232, RS485 128 Byte 32-TQFN (5x5) | |
UART IC 2, DUART Channel RS232, RS485 128 Byte 44-PLCC (16.59x16.59) | |
UART IC 2, DUART Channel RS232, RS485 128 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS232, RS485 16 Byte 44-PLCC (16.59x16.59) | |
UART IC 2, DUART Channel RS232, RS485 16 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS232, RS485 64 Byte 32-QFN (5x5) | |
UART IC 2, DUART Channel RS232, RS485 64 Byte 44-PLCC (16.59x16.59) | |
UART IC 2, DUART Channel RS232, RS485 64 Byte 48-TQFP (7x7) | |
UART IC 2, DUART Channel RS485 128 Byte 32-HVQFN (5x5) | |
UART IC 2, DUART Channel RS485 128 Byte 36-TFBGA (3.5x3.5) | |
UART IC 2, DUART Channel RS485 128 Byte 48-LQFP (7x7) | |
UART IC 2, DUART Channel RS485 256 Byte 113-FPBGA (9x9) | |
UART IC 2, DUART Channel RS485 64 Byte 100-TQFP (14x14) | |
UART IC 2, DUART Channel RS485 64 Byte 32-VQFN (5x5) | |
UART IC 2, DUART Channel RS485 64 Byte 44-PLCC (16.58x16.58) | |
UART IC 2, DUART Channel RS485 64 Byte 48-TQFP (7x7) | |
UART IC 4, QUART Channel RS232 16 Byte 48-QFN (7x7) | |
UART IC 4, QUART Channel RS232 16 Byte 64-LQFP (10x10) | |
UART IC 4, QUART Channel RS232 16 Byte 68-PLCC (24.23x24.23) | |
UART IC 4, QUART Channel RS232 16 Byte 80-LQFP (12x12) | |
UART IC 4, QUART Channel RS232 32 Byte 48-QFN (7x7) | |
UART IC 4, QUART Channel RS232 32 Byte 64-LQFP (10x10) | |
UART IC 4, QUART Channel RS232 64 Byte 100-LQFP (14x14) | |
UART IC 4, QUART Channel RS232 64 Byte 100-QFP (14x20) | |
UART IC 4, QUART Channel RS232 64 Byte 48-QFN (7x7) | |
UART IC 4, QUART Channel RS232 64 Byte 64-LQFP (10x10) | |
UART IC 4, QUART Channel RS232 64 Byte 68-PLCC (24.23x24.23) | |
UART IC 4, QUART Channel RS232 64 Byte 80-LQFP (12x12) | |
UART IC 4, QUART Channel RS232, RS485 128 Byte 100-QFP (14x20) | |
UART IC 4, QUART Channel RS232, RS485 128 Byte 48-TQFN (7x7) | |
UART IC 4, QUART Channel RS232, RS485 128 Byte 64-LQFP (10x10) | |
UART IC 4, QUART Channel RS232, RS485 128 Byte 68-PLCC (24.23x24.23) | |
UART IC 4, QUART Channel RS485 256 Byte 176-FPBGA (13x13) | |
UART IC 4, QUART Channel RS485 64 Byte 144-LQFP (20x20) | |
UART IC 4, QUART Channel RS485 64 Byte 64-LQFP (10x10) | |
UART IC 8 Channel RS485 16 Byte 100-QFP (14x20) | |
UART IC 8 Channel RS485 256 Byte 176-FPBGA (13x13) | |
UART IC 8 Channel RS485 32 Byte 100-QFP (14x20) | |
UART IC 8 Channel RS485 64 Byte 100-QFP (14x20) | |
UART IC 8 Channel RS485 64 Byte 144-LQFP (20x20) | |
UART IC 8 Channel RS485 84-PLCC (29.26x29.26) |