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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 (SGD) 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 50V Isolated, 3.0V to 5.5V, 250kbps, 2 Tx/2 Rx, RS-232 Transceiver MAX3250CAI+ Analog Devices / Maxim Integrated 1: $19.82 1,700In Stock	Mfr. Part No. MAX3250CAI+ Mouser Part No 700-MAX3250CAI	Analog Devices / Maxim Integrated	RS-232 Interface IC 50V Isolated, 3.0V to 5.5V, 250kbps, 2 Tx/2 Rx, RS-232 Transceiver	Datasheet	1,700In Stock	$19.82 $15.64 $14.05 $13.23 View $12.84 $12.57 $12.29	Min.: 1 Mult.: 1 Max.: 1,764	SSOP-28	MAX3250	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	3 V	SMD/SMT	35 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Transceivers	Tube
RS-232 Interface IC 15kV ESD-Protected, RS-232 Transceivers for Multidrop Applications MAX3323EEUE+ Analog Devices / Maxim Integrated 1: $21.79 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	$21.79 $17.22 $14.85 $14.36 View $14.13 $13.79	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: $24.47 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	$24.47 $19.39 $18.13 $16.73 View $15.95 $15.65	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: $2.12 5,004In Stock 7,500Expected 23/4/2027	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 23/4/2027	Cut Tape $2.12 $1.55 $1.41 $1.25 Reel $1.04 View $1.17 $1.13 $1.12 $1.02 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: $1.58 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 $1.58 $1.21 $1.11 $1.01 Reel $0.838 View $0.966 $0.922 $0.873 $0.832 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: $2.23 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 $2.23 $1.67 $1.54 $1.37 View Reel $1.13 $1.23 $1.19 $1.18 $1.13 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: $2.15 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 $2.15 $1.67 $1.47 $1.31 Reel $1.10 View $1.23 $1.19 $1.17 $1.06 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: $2.39 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 $2.39 $1.75 $1.59 $1.41 View Reel $1.19 $1.32 $1.26 $1.21 $1.19 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: $1.40 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 $1.40 $1.01 $0.908 $0.80 Reel $0.661 View $0.749 $0.718 $0.698 $0.645 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: $1.10 7,276In Stock 10,000Expected 2/12/2026	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	7,276In Stock 10,000Expected 2/12/2026	Cut Tape $1.10 $0.798 $0.724 $0.641 Reel $0.536 View $0.601 $0.578 $0.558 $0.522 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: $2.69 1,739In 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	1,739In Stock	Cut Tape $2.69 $1.99 $1.81 $1.60 Reel $1.35 View $1.51 $1.46 $1.32 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: $2.16 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 $2.16 $1.58 $1.43 $1.26 Reel $1.03 View $1.18 $1.13 $1.01 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: $3.01 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 $3.01 $2.42 $2.01 $1.82 Reel $1.58 View $1.71 $1.65 $1.60 $1.54 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: $1.44 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 7/12/2026 20,000 Expected 7/5/2027 Factory Lead Time: 30 Weeks	Cut Tape $1.44 $1.08 $0.934 $0.824 View Reel $0.738 $0.771 $0.738 $0.738 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: $1.92 10,539In Stock 12,500Expected 18/6/2027	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 18/6/2027	Cut Tape $1.92 $1.50 $1.30 $1.16 Reel $0.99 View $1.09 $1.06 $1.04 $0.981 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: $2.28 1,912In Stock 5,000Expected 23/4/2027	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 23/4/2027	Cut Tape $2.28 $1.67 $1.52 $1.31 View Reel $1.07 $1.23 $1.18 $1.17 $1.07 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: $2.20 12,033In 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	12,033In Stock	Cut Tape $2.20 $1.62 $1.47 $1.30 Reel $1.07 View $1.22 $1.17 $1.16 $1.05 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: $2.23 2,657In Stock 5,000Expected 22/3/2027	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	2,657In Stock 5,000Expected 22/3/2027	Cut Tape $2.23 $1.65 $1.48 $1.31 $1.23 Reel $1.23 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: $5.29 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 $5.29 $4.00 $3.67 $3.32 Reel $2.83 View $3.14 $3.13 $2.64 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: $2.28 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 $2.28 $1.67 $1.52 $1.34 Reel $1.12 View $1.26 $1.21 $1.20 $1.10 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: $3.28 3,275In Stock	Mfr. Part No. MAX232EIN Mouser Part No 595-MAX232EIN	Texas Instruments	RS-232 Interface IC RS232 Line Driver/Re ceiver	Datasheet	3,275In Stock	$3.28 $2.43 $2.22 $1.99 View $1.88 $1.81 $1.75 $1.69 $1.66	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: $1.74 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 $1.74 $1.26 $1.14 $1.01 Reel $0.845 View $0.945 $0.907 $0.879 $0.824 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: $3.20 6,606In Stock 10,000Expected 12/4/2027	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	6,606In Stock 10,000Expected 12/4/2027	Cut Tape $3.20 $2.37 $2.16 $1.93 View Reel $1.52 $1.82 $1.81 $1.52 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: $3.20 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 $3.20 $2.37 $2.16 $1.93 Reel $1.52 View $1.82 $1.77 $1.70 $1.40 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: $3.14 4,007In 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	4,007In Stock	Cut Tape $3.14 $2.34 $2.14 $1.90 View Reel $1.63 $1.80 $1.75 $1.71 $1.63 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