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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 (EUR) 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: 1,05 € 1.987In 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	1.987In Stock	Cut Tape 1,05 € 0,75 € 0,675 € 0,594 € View Reel 0,503 € 0,556 € 0,531 € 0,515 € 0,503 €	Min.: 1 Mult.: 1 : 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: 1,41 € 3.469In 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	3.469In Stock	Cut Tape 1,41 € 1,02 € 0,92 € 0,813 € Reel 0,59 € View 0,762 € 0,731 € 0,698 € 0,567 € 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: 1,47 € 2.124In Stock 4.000Expected 2/1/2027	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	2.124In Stock 4.000Expected 2/1/2027	Cut Tape 1,47 € 1,08 € 0,98 € 0,877 € Reel 0,734 € View 0,82 € 0,789 € 0,784 € 0,718 € 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: 1,37 € 9.552In Stock 18.000Expected 7/1/2027	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	9.552In Stock 18.000Expected 7/1/2027	Cut Tape 1,37 € 1,01 € 0,912 € 0,807 € Reel 0,674 € View 0,759 € 0,729 € 0,722 € 0,66 € 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: 1,55 € 738In Stock 6.000Expected 11/26/2026	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	738In Stock 6.000Expected 11/26/2026	Cut Tape 1,55 € 1,14 € 1,04 € 0,929 € View Reel 0,768 € 0,869 € 0,836 € 0,769 € 0,768 € 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: 1,38 € 25.642On Order	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	25.642On Order On Order Ship Dates Mfr. No: TRS3221EIPWR Stock: 0 On Order: 9.642 Expected 1/7/2027 16.000 Expected 5/20/2027 Factory Lead Time: 26 Weeks	Cut Tape 1,38 € 1,05 € 0,963 € 0,869 € Reel 0,711 € View 0,779 € 0,753 € 0,746 € 0,697 € 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