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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 RS232 W/VL 3V 3D/5R 15KV AUTODWN ISL3243EIRZ-T Renesas / Intersil 1: $3.15 8,011In Stock	Mfr. Part No. ISL3243EIRZ-T Mouser Part No 968-ISL3243EIRZ-T	Renesas / Intersil	RS-232 Interface IC RS232 W/VL 3V 3D/5R 15KV AUTODWN	Datasheet	8,011In Stock	Cut Tape $3.15 $2.35 $2.15 $1.93 View Reel $1.60 $1.83 $1.78 $1.69 $1.64 $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	QFN-EP-32	ISL3243E	Transceiver	250 kb/s	1 Driver	5 Receiver	Full Duplex	3.6 V	2.7 V	SMD/SMT	1.5 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC RS232 3V 3D/5R 15KV 1MBPS E-DWN 32QFN IN ISL4245EIRZ Renesas / Intersil 1: $7.11 1,032In Stock 60Expected 2027/05/18	Mfr. Part No. ISL4245EIRZ Mouser Part No 968-ISL4245EIRZ	Renesas / Intersil	RS-232 Interface IC RS232 3V 3D/5R 15KV 1MBPS E-DWN 32QFN IN	Datasheet	1,032In Stock 60Expected 2027/05/18	$7.11 $5.45 $4.92 $4.56 View $4.35 $4.22 $4.15 $4.12 Quote	Min.: 1 Mult.: 1	QFN-EP-32	ISL4245E	Transceiver	1 Mb/s	3 Driver	5 Receiver	Full Duplex	5.5 V	2.7 V	SMD/SMT	1.5 mA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Tube
RS-232 Interface IC RS232 3V 3D/2R 15KV SHTDWN 20LD ISL83386EIVZ-T Renesas / Intersil 1: $3.26 2,816In Stock	Mfr. Part No. ISL83386EIVZ-T Mouser Part No 968-ISL83386EIVZ-T	Renesas / Intersil	RS-232 Interface IC RS232 3V 3D/2R 15KV SHTDWN 20LD	Datasheet	2,816In Stock	Cut Tape $3.26 $2.40 $2.17 $1.95 Reel $1.67 View $1.84 $1.79 $1.73 $1.65 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TSSOP-20	ISL83386E	Transceiver	250 kb/s	3 Driver	2 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 Pb-Free 3V RS-232 2TX/2RX -40+85 TRANSCEIVER, 20LD 5X5 QFN, ISL4223EIRZ-TK Renesas / Intersil 1: $6.54 536In Stock	Mfr. Part No. ISL4223EIRZ-TK Mouser Part No 968-ISL98611AII-EVZ	Renesas / Intersil	RS-232 Interface IC Pb-Free 3V RS-232 2TX/2RX -40+85 TRANSCEIVER, 20LD 5X5 QFN, Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	536In Stock	Cut Tape $6.54 $4.95 $4.56 $4.13 Reel $3.72 View $3.93 $3.81 $3.62 Quote	Min.: 1 Mult.: 1 : 1,000	QFN-20	ISL4223E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	2.7 V	SMD/SMT	150 nA	- 40 C	+ 85 C	15 kV	RS-232 Transceivers	Reel, Cut Tape
RS-232 Interface IC Multiple RS-232 Driv er and Receiver A 5 A 595-GD65232DWR GD65232DW Texas Instruments 1: $1.85 647In Stock	Mfr. Part No. GD65232DW Mouser Part No 595-GD65232DW	Texas Instruments	RS-232 Interface IC Multiple RS-232 Driv er and Receiver A 5 A 595-GD65232DWR	Datasheet	647In Stock	$1.85 $1.37 $1.23 $1.10 View $1.03 $1.00 $0.973 $0.936 $0.915	Min.: 1 Mult.: 1	SOIC-20	GD65232	Transceiver	120 kb/s	3 Driver	5 Receiver	Full Duplex	5.5 V	4.5 V	SMD/SMT	38 mA	- 40 C	+ 85 C	Without ESD Protection	RS-232 Transceivers	Tube
RS-232 Interface IC RS-232 Line Driver/R eceiver A 595-MAX32 A 595-MAX3221ECPW MAX3221ECPWR Texas Instruments 1: $2.64 104In Stock 18,000Expected 2027/01/07	Mfr. Part No. MAX3221ECPWR Mouser Part No 595-MAX3221ECPWR	Texas Instruments	RS-232 Interface IC RS-232 Line Driver/R eceiver A 595-MAX32 A 595-MAX3221ECPW	Datasheet	104In Stock 18,000Expected 2027/01/07	Cut Tape $2.64 $1.97 $1.78 $1.60 Reel $1.38 View $1.51 $1.45 $1.40 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TSSOP-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 3-5.5V Multichannel Line Drvr/Rcvr A 595 A 595-MAX3223CDWR MAX3223CDW Texas Instruments 1: $4.22 191In Stock	Mfr. Part No. MAX3223CDW Mouser Part No 595-MAX3223CDW	Texas Instruments	RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr A 595 A 595-MAX3223CDWR	Datasheet	191In Stock	$4.22 $3.29 $2.79 $2.63 View $2.49 $2.48 $2.40 $2.37	Min.: 1 Mult.: 1	SOIC-20	MAX3223	Transceiver	250 kb/s	2 Driver	2 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 3-5V MultiCh Line Dr iver/Receiver A 595 A 595-MAX3223EIDW MAX3223EIDWR Texas Instruments 1: $3.97 93In Stock	Mfr. Part No. MAX3223EIDWR Mouser Part No 595-MAX3223EIDWR	Texas Instruments	RS-232 Interface IC 3-5V MultiCh Line Dr iver/Receiver A 595 A 595-MAX3223EIDW	Datasheet	93In Stock	Cut Tape $3.97 $2.98 $2.74 $2.47 View Reel $2.17 $2.35 $2.33 $2.19 $2.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SOIC-20	MAX3223E	Transceiver	500 kb/s	2 Driver	2 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 RS232 A 595-M AX3223IDW A 595-MAX A 595-MAX3223IDW MAX3223IDWR Texas Instruments 1: $3.90 341In Stock	Mfr. Part No. MAX3223IDWR Mouser Part No 595-MAX3223IDWR	Texas Instruments	RS-232 Interface IC 3-5.5V RS232 A 595-M AX3223IDW A 595-MAX A 595-MAX3223IDW	Datasheet	341In Stock	Cut Tape $3.90 $2.94 $2.70 $2.43 View Reel $2.11 $2.31 $2.29 $2.15 $2.11 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SOIC-20	MAX3223	Transceiver	250 kb/s	2 Driver	2 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 Mult-Ch RS232 A 595-MAX3232CDB A A 595-MAX3232CDB MAX3232CDBR Texas Instruments 1: $2.83 559In Stock 4,000Expected 2027/03/15	Mfr. Part No. MAX3232CDBR Mouser Part No 595-MAX3232CDBR	Texas Instruments	RS-232 Interface IC 3-5.5V Mult-Ch RS232 A 595-MAX3232CDB A A 595-MAX3232CDB	Datasheet	559In Stock 4,000Expected 2027/03/15	Cut Tape $2.83 $2.11 $1.93 $1.73 $1.64 Reel $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SSOP-16	MAX3232	Transceiver	250 kb/s	2 Driver	2 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 3-5.5V MultiCh Line Driver/Receiver A 59 A 595-MAX3232ECD MAX3232ECDR Texas Instruments 1: $1.17 1,399In Stock 45,000On Order	Mfr. Part No. MAX3232ECDR Mouser Part No 595-MAX3232ECDR	Texas Instruments	RS-232 Interface IC 3-5.5V MultiCh Line Driver/Receiver A 59 A 595-MAX3232ECD	Datasheet	1,399In Stock 45,000On Order On Order Ship Dates Mfr. No: MAX3232ECDR Stock: 1,399 Can Dispatch Immediately On Order: 17,500 Expected 2026/12/03 2,500 Expected 2026/12/10 25,000 Expected 2027/08/27 Factory Lead Time: 12 Weeks	Cut Tape $1.17 $0.848 $0.768 $0.677 Reel $0.564 View $0.635 $0.609 $0.597 $0.551 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-16	MAX3232E	Transceiver	250 kb/s	2 Driver	2 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 3-5.5V MultiCh Line Driver/Receiver A 59 A 595-MAX3232ECDW MAX3232ECDWR Texas Instruments 1: $1.76 7In Stock	Mfr. Part No. MAX3232ECDWR Mouser Part No 595-MAX3232ECDWR	Texas Instruments	RS-232 Interface IC 3-5.5V MultiCh Line Driver/Receiver A 59 A 595-MAX3232ECDW	Datasheet	7In Stock	Cut Tape $1.76 $1.29 $1.17 $1.05 View Reel $0.883 $0.983 $0.947 $0.941 $0.883 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SOIC-Wide-16	MAX3232E	Transceiver	250 kb/s	2 Driver	2 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 3-5.5V Mult-Ch RS232 A 595-MAX3232IDW A A 595-MAX3232IDW MAX3232IDWR Texas Instruments 1: $2.35 1,367In Stock 6,000Expected 2027/03/18	Mfr. Part No. MAX3232IDWR Mouser Part No 595-MAX3232IDWR	Texas Instruments	RS-232 Interface IC 3-5.5V Mult-Ch RS232 A 595-MAX3232IDW A A 595-MAX3232IDW	Datasheet	1,367In Stock 6,000Expected 2027/03/18	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	SOIC-16	MAX3232	Transceiver	250 kb/s	2 Driver	2 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 Quad Low Pwr SN65C1154N Texas Instruments 1: $5.80 207In Stock	Mfr. Part No. SN65C1154N Mouser Part No 595-SN65C1154N	Texas Instruments	RS-232 Interface IC Quad Low Pwr	Datasheet	207In Stock	$5.80 $4.42 $4.07 $3.69 View $3.57 $3.51 $3.48 $3.47	Min.: 1 Mult.: 1	PDIP-20	SN65C1154	Transceiver	95 kb/s	4 Driver	4 Receiver	Full Duplex	5 V	5 V	Through Hole	600 uA	- 40 C	+ 85 C	ESD Protection	RS-232 Transceivers	Tube
RS-232 Interface IC 3-5.5V 2 Ch 1 Mbit L ine Driver/Receiver A 595-SN65C3232EDB SN65C3232EDBR Texas Instruments 1: $2.78 603In Stock 2,000Expected 2026/11/19	Mfr. Part No. SN65C3232EDBR Mouser Part No 595-SN65C3232EDBR	Texas Instruments	RS-232 Interface IC 3-5.5V 2 Ch 1 Mbit L ine Driver/Receiver A 595-SN65C3232EDB	Datasheet	603In Stock 2,000Expected 2026/11/19	Cut Tape $2.78 $2.07 $1.90 $1.70 $1.60 Reel $1.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SSOP-16	SN65C3232E	Transceiver	1 Mb/s	2 Driver	2 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 Multichannel Line Drvr/Rcvr A 595 A 595-SN65C3243DWR SN65C3243DW Texas Instruments 1: $6.77 146In Stock	Mfr. Part No. SN65C3243DW Mouser Part No 595-SN65C3243DW	Texas Instruments	RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr A 595 A 595-SN65C3243DWR	Datasheet	146In Stock	$6.77 $5.19 $4.79 $4.36 View $4.15 $4.04 $3.98 $3.93	Min.: 1 Mult.: 1	SOIC-28	SN65C3243	Transceiver	1 Mb/s	3 Driver	5 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 RS-232C REGULATOR SN751701PSR Texas Instruments 1: $1.76 64In Stock 2,000Expected 2027/04/01	Mfr. Part No. SN751701PSR Mouser Part No 595-SN751701PSR	Texas Instruments	RS-232 Interface IC RS-232C REGULATOR	Datasheet	64In Stock 2,000Expected 2027/04/01	Cut Tape $1.76 $1.29 $1.17 $1.04 Reel $0.884 View $0.984 $0.947 $0.942 $0.864 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SOIC-8	SN751701	Transceiver	300 kb/s	1 Driver	1 Receiver	Half Duplex	15 V	4.5 V	SMD/SMT	6.1 mA	- 20 C	+ 70 C	Without ESD Protection	RS-232 Transceivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC Quad Line A 595-SN75 188D A 595-SN75188D A 595-SN75188D SN75188DR Texas Instruments 1: $0.72 2,583In Stock	Mfr. Part No. SN75188DR Mouser Part No 595-SN75188DR	Texas Instruments	RS-232 Interface IC Quad Line A 595-SN75 188D A 595-SN75188D A 595-SN75188D	Datasheet	2,583In Stock	Cut Tape $0.72 $0.506 $0.454 $0.397 Reel $0.333 View $0.37 $0.354 $0.337 $0.316 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-14	SN75188	Driver	300 kb/s	4 Driver	0 Receiver		15 V	7.5 V	SMD/SMT	34 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Drivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC Quad Line Driver SN75188NSR Texas Instruments 1: $1.00 1,336In Stock	Mfr. Part No. SN75188NSR Mouser Part No 595-SN75188NSR	Texas Instruments	RS-232 Interface IC Quad Line Driver	Datasheet	1,336In Stock	Cut Tape $1.00 $0.715 $0.647 $0.568 Reel $0.472 View $0.533 $0.509 $0.495 $0.461 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SOIC-14	SN75188	Driver	300 kb/s	4 Driver	0 Receiver		15 V	7.5 V	SMD/SMT	34 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Drivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC Quad Line Receiver/L A 595-SN75189ADR A A 595-SN75189ADR SN75189AD Texas Instruments 1: $1.47 554In Stock	Mfr. Part No. SN75189AD Mouser Part No 595-SN75189AD	Texas Instruments	RS-232 Interface IC Quad Line Receiver/L A 595-SN75189ADR A A 595-SN75189ADR Learn More about Texas Instruments ti mc1489 sn75189 receivers	Datasheet	554In Stock	$1.47 $1.10 $0.971 $0.892 View $0.876 $0.842 $0.815 $0.728	Min.: 1 Mult.: 1	SOIC-14	SN75189A	Receiver	1 Mb/s	0 Driver	4 Receiver		5 V	5 V	SMD/SMT	26 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Receivers	Tube
RS-232 Interface IC Quad Line A 595-SN75 189AD A 595-SN75189 A 595-SN75189AD SN75189ADR Texas Instruments 1: $0.72 299In Stock 2,500Expected 2026/11/19	Mfr. Part No. SN75189ADR Mouser Part No 595-SN75189ADR	Texas Instruments	RS-232 Interface IC Quad Line A 595-SN75 189AD A 595-SN75189 A 595-SN75189AD Learn More about Texas Instruments ti mc1489 sn75189 receivers	Datasheet	299In Stock 2,500Expected 2026/11/19	Cut Tape $0.72 $0.506 $0.455 $0.398 Reel $0.326 View $0.371 $0.354 $0.34 $0.317 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SOIC-14	SN75189A	Receiver	1 Mb/s	0 Driver	4 Receiver		5 V	5 V	SMD/SMT	26 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Receivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC Quad Line SN75189AN Texas Instruments 1: $1.06 1,549In Stock	Mfr. Part No. SN75189AN Mouser Part No 595-SN75189AN	Texas Instruments	RS-232 Interface IC Quad Line	Datasheet	1,549In Stock	$1.06 $0.78 $0.662 $0.602 View $0.562 $0.538 $0.536 $0.498 $0.492	Min.: 1 Mult.: 1	PDIP-14	SN75189A	Receiver	1 Mb/s	0 Driver	4 Receiver		5 V	5 V	SMD/SMT	26 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Receivers	Tube
RS-232 Interface IC Quadruple Line Recei ver 14-TSSOP SN75189APWR Texas Instruments 1: $0.80 1,056In Stock	Mfr. Part No. SN75189APWR Mouser Part No 595-SN75189APWR	Texas Instruments	RS-232 Interface IC Quadruple Line Recei ver 14-TSSOP	Datasheet	1,056In Stock	Cut Tape $0.80 $0.572 $0.515 $0.452 Reel $0.397 View $0.421 $0.404 $0.402 $0.376 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TSSOP-14	SN75189A	Receiver	1 Mb/s	4 Driver	4 Receiver		5.5 V	4.5 V	SMD/SMT	20 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Receivers	Reel, Cut Tape, MouseReel
RS-232 Interface IC Quad Line Receiver/L A 595-SN75189DR A 5 A 595-SN75189DR SN75189D Texas Instruments 1: $1.48 828In Stock	Mfr. Part No. SN75189D Mouser Part No 595-SN75189D	Texas Instruments	RS-232 Interface IC Quad Line Receiver/L A 595-SN75189DR A 5 A 595-SN75189DR	Datasheet	828In Stock	$1.48 $1.20 $1.01 $1.00 View $0.94 $0.902 $0.866 $0.835 $0.832	Min.: 1 Mult.: 1	SOIC-14	SN75189	Receiver	1 Mb/s	0 Driver	4 Receiver		5 V	5 V	SMD/SMT	26 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Receivers	Tube
RS-232 Interface IC Quad Line SN75189N Texas Instruments 1: $1.31 868In Stock	Mfr. Part No. SN75189N Mouser Part No 595-SN75189N	Texas Instruments	RS-232 Interface IC Quad Line	Datasheet	868In Stock	$1.31 $0.949 $0.859 $0.761 View $0.713 $0.687 $0.656 $0.654 $0.647	Min.: 1 Mult.: 1	PDIP-14	SN75189	Receiver	1 Mb/s	0 Driver	4 Receiver		5 V	5 V	SMD/SMT	26 mA	0 C	+ 70 C	Without ESD Protection	RS-232 Receivers	Tube