RS-232 Interface IC – Mouser South Africa

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TRS3221E RS-232 Line Driver/Receiver

Texas Instruments TRS3221E RS-232 Line Driver/Receiver is a single driver, single receiver RS-232 solution operating from a single V_CC supply. The RS-232 pins provide IEC G1000-4-2 ESD protection. The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3V to 5.5V supply. The Texas Instruments TRS3221E operates at data signaling rates up to 250kbit/s and a maximum of 30V/µs driver output slew rate.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package/Case	Series	Function	Data Rate	Number of Drivers	Number of Receivers	Duplex	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	ESD Protection	Packaging
	RS-232 Interface IC 3- to 5.5-V single c hannel 250kbps RS-2 TRS3221EIDYYR Texas Instruments 1: $1.22 1,885In Stock New Product	Mfr. Part No. TRS3221EIDYYR Mouser Part No 595-TRS3221EIDYYR New Product	Texas Instruments	RS-232 Interface IC 3- to 5.5-V single c hannel 250kbps RS-2 Learn More about Texas Instruments ti trs3221e line driver receiver	Datasheet	1,885In Stock	Cut Tape $1.22 $0.872 $0.785 $0.691 View Reel $0.599 $0.647 $0.618 $0.599 $0.599	Min.: 1 Mult.: 1 Max.: 1,001 : 3,000			SMD/SMT	SOT-23-16	TRS3221E	Transceiver	250 kb/s	1 Driver	1 Receiver		5.5 V	3 V	1 uA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape
	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221ECDB TRS3221ECDBR Texas Instruments 1: $1.42 3,466In Stock	Mfr. Part No. TRS3221ECDBR Mouser Part No 595-TRS3221ECDBR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221ECDB Learn More about Texas Instruments ti trs3221e line driver receiver	Datasheet	3,466In Stock	Cut Tape $1.42 $1.03 $0.93 $0.821 View Reel $0.733 $0.77 $0.74 $0.734 $0.733 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			SMD/SMT	SSOP-16	TRS3221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	1 mA	0 C	+ 70 C	15 kV	Reel, Cut Tape, MouseReel
	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221EIDB TRS3221EIDBR Texas Instruments 1: $1.51 3,084In Stock 4,000Expected 2027/01/28	Mfr. Part No. TRS3221EIDBR Mouser Part No 595-TRS3221EIDBR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221EIDB Learn More about Texas Instruments ti trs3221e line driver receiver	Datasheet	3,084In Stock 4,000Expected 2027/01/28	Cut Tape $1.51 $1.11 $1.00 $0.889 View Reel $0.793 $0.834 $0.802 $0.793 $0.793 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			SMD/SMT	SSOP-16	TRS3221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	1 mA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel
	RS-232 Interface IC 3- to 5.5-V single c hannel 250kbps RS-2 TRS3221EIRGTR Texas Instruments 1: $1.47 6,677In Stock 18,000Expected 2027/03/11	Mfr. Part No. TRS3221EIRGTR Mouser Part No 595-TRS3221EIRGTR	Texas Instruments	RS-232 Interface IC 3- to 5.5-V single c hannel 250kbps RS-2 Learn More about Texas Instruments ti trs3221e line driver receiver	Datasheet	6,677In Stock 18,000Expected 2027/03/11	Cut Tape $1.47 $1.06 $0.958 $0.847 Reel $0.726 View $0.795 $0.763 $0.74 $0.714 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	VQFN-16	TRS3221E	Transceiver	500 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	1 mA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel
	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221ECPW TRS3221ECPWR Texas Instruments 1: $1.42 722In Stock 6,000Expected 2026/12/24	Mfr. Part No. TRS3221ECPWR Mouser Part No 595-TRS3221ECPWR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221ECPW Learn More about Texas Instruments ti trs3221e line driver receiver	Datasheet	722In Stock 6,000Expected 2026/12/24	Cut Tape $1.42 $1.03 $0.93 $0.821 View Reel $0.733 $0.77 $0.74 $0.734 $0.733 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			SMD/SMT	TSSOP-16	TRS3221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	1 mA	0 C	+ 70 C	15 kV	Reel, Cut Tape, MouseReel
	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221EIPW TRS3221EIPWR Texas Instruments 1: $1.47 9,907Expected 2027/01/07	Mfr. Part No. TRS3221EIPWR Mouser Part No 595-TRS3221EIPWR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Channel RS232 Line Drvr/Rcvr A 595-TRS3221EIPW Learn More about Texas Instruments ti trs3221e line driver receiver	Datasheet	9,907Expected 2027/01/07	Cut Tape $1.47 $1.10 $1.00 $0.889 View Reel $0.793 $0.834 $0.802 $0.793 $0.793 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			SMD/SMT	TSSOP-16	TRS3221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	1 mA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel