RS-232 Interface IC – Mouser United Kingdom

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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 (GBP) 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: £0.917 1,829In 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	1,829In Stock	Cut Tape £0.917 £0.655 £0.589 £0.519 View Reel £0.439 £0.485 £0.464 £0.45 £0.439	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: £1.23 3,420In 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	3,420In Stock	Cut Tape £1.23 £0.89 £0.803 £0.71 Reel £0.515 View £0.665 £0.638 £0.609 £0.495 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: £1.28 2,207In Stock 4,000Expected 01/02/2027	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	2,207In Stock 4,000Expected 01/02/2027	Cut Tape £1.28 £0.943 £0.856 £0.766 Reel £0.641 View £0.716 £0.689 £0.684 £0.627 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: £1.20 9,348In Stock 18,000Expected 01/07/2027	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	9,348In Stock 18,000Expected 01/07/2027	Cut Tape £1.20 £0.882 £0.796 £0.705 Reel £0.588 View £0.663 £0.636 £0.63 £0.576 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: £1.35 212In Stock 6,000Expected 23/11/2026	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	212In Stock 6,000Expected 23/11/2026	Cut Tape £1.35 £0.995 £0.908 £0.811 View Reel £0.67 £0.759 £0.73 £0.671 £0.67 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: £1.20 25,192On 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	25,192On Order On Order Ship Dates Mfr. No: TRS3221EIPWR Stock: 0 On Order: 9,192 Expected 07/01/2027 16,000 Expected 20/05/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.20 £0.917 £0.841 £0.759 Reel £0.621 View £0.68 £0.657 £0.651 £0.608 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