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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 (SGD) 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: $1.66 1,887In 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	1,887In Stock	Cut Tape $1.66 $1.19 $1.07 $0.94 Reel $0.796 View $0.879 $0.84 $0.815 $0.785	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: $2.23 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 $2.23 $1.62 $1.46 $1.29 Reel $0.933 View $1.20 $1.16 $1.10 $0.896 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: $2.33 2,131In Stock 4,000Expected 28/1/2027	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	2,131In Stock 4,000Expected 28/1/2027	Cut Tape $2.33 $1.71 $1.55 $1.39 Reel $1.16 View $1.30 $1.25 $1.24 $1.14 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: $2.16 6,712In Stock 18,000Expected 11/3/2027	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	6,712In Stock 18,000Expected 11/3/2027	Cut Tape $2.16 $1.59 $1.44 $1.28 Reel $1.07 View $1.20 $1.15 $1.14 $1.04 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: $1.93 738In Stock 6,000Expected 24/12/2026	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 24/12/2026	Cut Tape $1.93 $1.40 $1.26 $1.12 View Reel $0.997 $1.05 $1.01 $0.998 $0.997 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: $2.18 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 7/1/2027 16,000 Expected 15/3/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.18 $1.66 $1.52 $1.37 Reel $1.12 View $1.23 $1.19 $1.18 $1.10 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