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RS-232 Interface IC

RS-232 Interface ICs are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many RS-232 Interface IC manufacturers including Diodes Inc., MaxLinear, Renesas Electronics, STMicroelectronics, Texas Instruments & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Package/Case	Series	Function	Data Rate	Number of Drivers	Number of Receivers	Duplex	Supply Voltage - Max	Supply Voltage - Min	Mounting Style	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	ESD Protection	Product	Packaging
RS-232 Interface IC 15kV ESD-Protected, RS-232 Transceivers for Multidrop Applications MAX3323EEUE+ Analog Devices / Maxim Integrated 1: $16.03 767In Stock	Mfr. Part No. MAX3323EEUE+ Mouser Part No 700-MAX3323EEUE	Analog Devices / Maxim Integrated	RS-232 Interface IC 15kV ESD-Protected, RS-232 Transceivers for Multidrop Applications	Datasheet	767In Stock	$16.03 $12.67 $10.92 $10.56 View $10.40 $10.14	Min.: 1 Mult.: 1 Max.: 613	TSSOP-16	MAX3323E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	SMD/SMT	1 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Tube
RS-232 Interface IC +2.35V to +5.5V, 1 A, 2Tx/2Rx RS-232 Transceivers with 15kV ESD-Protected I/O and Logic Pins MAX3380EEUP+ Analog Devices / Maxim Integrated 1: $17.99 782In Stock	Mfr. Part No. MAX3380EEUP+ Mouser Part No 700-MAX3380EEUP	Analog Devices / Maxim Integrated	RS-232 Interface IC +2.35V to +5.5V, 1 A, 2Tx/2Rx RS-232 Transceivers with 15kV ESD-Protected I/O and Logic Pins	Datasheet	782In Stock	$17.99 $14.26 $13.33 $12.30 View $11.73 $11.51	Min.: 1 Mult.: 1 Max.: 625	TSSOP-20	MAX3380E	Transceiver	460 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	2.35 V	SMD/SMT	1 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Tube
RS-232 Interface IC 5V 2Driver/2Receiver ST202BDR STMicroelectronics 1: $1.56 5,004In Stock 7,500Expected 2027/04/23	Mfr. Part No. ST202BDR Mouser Part No 511-ST202BDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	5,004In Stock 7,500Expected 2027/04/23	Cut Tape $1.56 $1.14 $1.04 $0.916 Reel $0.768 View $0.861 $0.828 $0.82 $0.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST202B		400 kb/s				5.5 V	4.5 V	SMD/SMT	4 mA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST202EBDR STMicroelectronics 1: $1.16 5,580In Stock	Mfr. Part No. ST202EBDR Mouser Part No 511-ST202EBDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	5,580In Stock	Cut Tape $1.16 $0.891 $0.818 $0.742 View Reel $0.635 $0.711 $0.678 $0.642 $0.635 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST202EB	Transceiver	400 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	10 mA	- 40 C	+ 85 C	15 kV		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST202ECTR STMicroelectronics 1: $1.64 1,966In Stock	Mfr. Part No. ST202ECTR Mouser Part No 511-ST202EC	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	1,966In Stock	Cut Tape $1.64 $1.23 $1.13 $1.01 View Reel $0.833 $0.904 $0.876 $0.871 $0.833 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TSSOP-16	ST202EC	Transceiver	400 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	10 mA	0 C	+ 70 C	15 kV		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST202ECDR STMicroelectronics 1: $1.58 7,607In Stock	Mfr. Part No. ST202ECDR Mouser Part No 511-ST202ECDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	7,607In Stock	Cut Tape $1.58 $1.23 $1.08 $0.963 Reel $0.807 View $0.907 $0.875 $0.862 $0.783 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST202EC	Transceiver	400 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	10 mA	0 C	+ 70 C	15 kV		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232ABDR STMicroelectronics 1: $1.76 5,973In Stock	Mfr. Part No. ST232ABDR Mouser Part No 511-ST232ABDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	5,973In Stock	Cut Tape $1.76 $1.29 $1.17 $1.04 View Reel $0.876 $0.968 $0.93 $0.892 $0.876 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST232AB		400 kb/s				5.5 V	4.5 V	SMD/SMT	1.5 mA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232BDR STMicroelectronics 1: $1.03 9,082In Stock	Mfr. Part No. ST232BDR Mouser Part No 511-ST232BDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	9,082In Stock	Cut Tape $1.03 $0.74 $0.668 $0.588 Reel $0.486 View $0.551 $0.528 $0.513 $0.475 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST232B		220 kb/s				5.5 V	4.5 V	SMD/SMT	5 mA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232CDR STMicroelectronics 1: $0.811 7,266In Stock 10,000Expected 2026/12/02	Mfr. Part No. ST232CDR Mouser Part No 511-ST232CDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	7,266In Stock 10,000Expected 2026/12/02	Cut Tape $0.811 $0.587 $0.533 $0.471 Reel $0.394 View $0.442 $0.426 $0.411 $0.384 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST232C	Transceiver	220 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	5 mA	0 C	+ 70 C	Without ESD Protection		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232EBTR STMicroelectronics 1: $1.98 2,230In Stock	Mfr. Part No. ST232EBTR Mouser Part No 511-ST232EB	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	2,230In Stock	Cut Tape $1.98 $1.47 $1.33 $1.17 Reel $0.996 View $1.11 $1.07 $0.973 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TSSOP-16	ST232EB	Transceiver	400 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	10 mA	- 40 C	+ 85 C	15 kV		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232EBDR STMicroelectronics 1: $1.59 2,987In Stock	Mfr. Part No. ST232EBDR Mouser Part No 511-ST232EBDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	2,987In Stock	Cut Tape $1.59 $1.16 $1.05 $0.923 Reel $0.755 View $0.868 $0.833 $0.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST232EB	Transceiver	400 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	10 mA	- 40 C	+ 85 C	15 kV		Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3222BTR STMicroelectronics 1: $2.21 7,789In Stock	Mfr. Part No. ST3222BTR Mouser Part No 511-ST3222B	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	7,789In Stock	Cut Tape $2.21 $1.78 $1.48 $1.34 Reel $1.16 View $1.26 $1.21 $1.17 $1.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TSSOP-20	ST3222B		400 kb/s				3.6 V	3 V	SMD/SMT	300 mA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232BDR STMicroelectronics 1: $1.06 5,757In Stock 35,000On Order	Mfr. Part No. ST3232BDR Mouser Part No 511-ST3232BDR	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	5,757In Stock 35,000On Order On Order Ship Dates Mfr. No: ST3232BDR Stock: 5,757 Can Dispatch Immediately On Order: 15,000 Expected 2026/12/07 20,000 Expected 2027/05/07 Factory Lead Time: 30 Weeks	Cut Tape $1.06 $0.791 $0.687 $0.606 View Reel $0.543 $0.568 $0.543 $0.543 MouseReel Available	Min.: 1 Mult.: 1 Max.: 910 : 2,500	SOIC-16	ST3232B		400 kb/s				5.5 V	3 V	SMD/SMT	300 uA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232CDR STMicroelectronics 1: $1.41 10,539In Stock 12,500Expected 2027/06/18	Mfr. Part No. ST3232CDR Mouser Part No 511-ST3232CDR	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	10,539In Stock 12,500Expected 2027/06/18	Cut Tape $1.41 $1.10 $0.954 $0.854 Reel $0.728 View $0.805 $0.776 $0.768 $0.721 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST3232C		400 kb/s				5.5 V	3 V	SMD/SMT	300 uA	0 C	+ 70 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232EBTR STMicroelectronics 1: $1.67 1,912In Stock 5,000Expected 2027/04/23	Mfr. Part No. ST3232EBTR Mouser Part No 511-ST3232EB	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	1,912In Stock 5,000Expected 2027/04/23	Cut Tape $1.67 $1.23 $1.12 $0.964 View Reel $0.79 $0.906 $0.87 $0.861 $0.79 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TSSOP-16	ST3232EB		250 kb/s				5 V	3 V	SMD/SMT	300 uA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232EBDR STMicroelectronics 1: $1.62 11,528In Stock	Mfr. Part No. ST3232EBDR Mouser Part No 511-ST3232EBDR	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	11,528In Stock	Cut Tape $1.62 $1.19 $1.08 $0.954 Reel $0.79 View $0.897 $0.862 $0.855 $0.772 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	ST3232EB		250 kb/s				5 V	3 V	SMD/SMT	300 uA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232ECDR STMicroelectronics 1: $1.64 2,545In Stock 5,000Expected 2027/03/22	Mfr. Part No. ST3232ECDR Mouser Part No 511-ST3232ECD	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	2,545In Stock 5,000Expected 2027/03/22	Cut Tape $1.64 $1.21 $1.09 $0.966 $0.908 Reel $0.908 MouseReel Available	Min.: 1 Mult.: 1 Max.: 460 : 2,500	SOIC-16	ST3232EC		250 kb/s				5 V	3 V	SMD/SMT	300 uA	0 C	+ 70 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC Transcvr 3Drvr/5Rcvr ST3241EBPR STMicroelectronics 1: $3.90 1,554In Stock	Mfr. Part No. ST3241EBPR Mouser Part No 511-ST3241EBP	STMicroelectronics	RS-232 Interface IC Transcvr 3Drvr/5Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	1,554In Stock	Cut Tape $3.90 $2.94 $2.70 $2.44 Reel $2.08 View $2.31 $2.30 $1.95 MouseReel Available	Min.: 1 Mult.: 1 : 1,350	SSOP-28	ST3241EB		250 kb/s				5.5 V	3 V	SMD/SMT	1 mA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V Dual Line Driver/ Receiver A 595-MAX2 A 595-MAX202ID MAX202IDR Texas Instruments 1: $1.67 7,016In Stock	Mfr. Part No. MAX202IDR Mouser Part No 595-MAX202IDR	Texas Instruments	RS-232 Interface IC 5V Dual Line Driver/ Receiver A 595-MAX2 A 595-MAX202ID	Datasheet	7,016In Stock	Cut Tape $1.67 $1.23 $1.12 $0.986 Reel $0.826 View $0.927 $0.891 $0.883 $0.808 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-Narrow-16	MAX202	Transceiver	120 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	15 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC RS232 Line Driver/Re ceiver MAX232EIN Texas Instruments 1: $2.41 3,697In Stock	Mfr. Part No. MAX232EIN Mouser Part No 595-MAX232EIN	Texas Instruments	RS-232 Interface IC RS232 Line Driver/Re ceiver	Datasheet	3,697In Stock	$2.41 $1.79 $1.63 $1.47 View $1.38 $1.33 $1.29 $1.24 $1.22	Min.: 1 Mult.: 1	PDIP-16	MAX232E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	Through Hole	10 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Tube
RS-232 Interface IC RS232 Line Driver/Re ceiver A 595-MAX232 A 595-MAX232EIPW MAX232EIPWR Texas Instruments 1: $1.28 5,422In Stock	Mfr. Part No. MAX232EIPWR Mouser Part No 595-MAX232EIPWR	Texas Instruments	RS-232 Interface IC RS232 Line Driver/Re ceiver A 595-MAX232 A 595-MAX232EIPW	Datasheet	5,422In Stock	Cut Tape $1.28 $0.926 $0.839 $0.741 Reel $0.621 View $0.695 $0.668 $0.647 $0.606 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TSSOP-16	MAX232E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	10 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC 1-Channel RS-232 A 5 95-MAX3221CDB A 595 A 595-MAX3221CDB MAX3221CDBR Texas Instruments 1: $2.35 6,603In Stock 10,000Expected 2027/04/12	Mfr. Part No. MAX3221CDBR Mouser Part No 595-MAX3221CDBR	Texas Instruments	RS-232 Interface IC 1-Channel RS-232 A 5 95-MAX3221CDB A 595 A 595-MAX3221CDB	Datasheet	6,603In Stock 10,000Expected 2027/04/12	Cut Tape $2.35 $1.74 $1.59 $1.42 View Reel $1.12 $1.34 $1.33 $1.12 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SSOP-16	MAX3221	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	SMD/SMT	1 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC 3-5.5V Single-Ch Lin e Drvr/Rcvr ALT 595 ALT 595-MAX3221CPWR MAX3221CPWRG4 Texas Instruments 1: $2.35 3,399In Stock	Mfr. Part No. MAX3221CPWRG4 Mouser Part No 595-MAX3221CPWRG4	Texas Instruments	RS-232 Interface IC 3-5.5V Single-Ch Lin e Drvr/Rcvr ALT 595 ALT 595-MAX3221CPWR	Datasheet	3,399In Stock	Cut Tape $2.35 $1.74 $1.59 $1.42 Reel $1.12 View $1.34 $1.30 $1.26 $1.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TSSOP-16	MAX3221	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	SMD/SMT	1 mA	0 C	+ 70 C	15 kV	RS-232 Transceivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC RS-232 Line Driver/R eceiver A 595-MAX32 A 595-MAX3221ECDB MAX3221ECDBR Texas Instruments 1: $2.31 3,997In Stock	Mfr. Part No. MAX3221ECDBR Mouser Part No 595-MAX3221ECDBR	Texas Instruments	RS-232 Interface IC RS-232 Line Driver/R eceiver A 595-MAX32 A 595-MAX3221ECDB	Datasheet	3,997In Stock	Cut Tape $2.31 $1.72 $1.57 $1.40 View Reel $1.20 $1.33 $1.29 $1.26 $1.20 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SSOP-16	MAX3221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	SMD/SMT	1 mA	0 C	+ 70 C	15 kV	RS-232 Transceivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC RS-232 Line Driver/R eceiver A 595-MAX32 A 595-MAX3221EIDB MAX3221EIDBR Texas Instruments 1: $2.65 1,869In Stock 6,000Expected 2027/04/01	Mfr. Part No. MAX3221EIDBR Mouser Part No 595-MAX3221EIDBR	Texas Instruments	RS-232 Interface IC RS-232 Line Driver/R eceiver A 595-MAX32 A 595-MAX3221EIDB	Datasheet	1,869In Stock 6,000Expected 2027/04/01	Cut Tape $2.65 $1.97 $1.79 $1.60 $1.52 Reel $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SSOP-16	MAX3221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	SMD/SMT	1 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Reel, Cut Tape, MouseReel