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TRSF3221E RS232 1Mbit/s Line Driver/Receiver

Texas Instruments TRSF3221E RS232 1Mbit/s Line Driver/Receiver consists of one line driver, one line receiver, and a dual charge-pump circuit with ±15kV IEC ESD protection pin to pin (serial-port connection pins, including GND). The TRSF3221E 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 TRSF3221E operates at data signaling rates up to 1Mbit/s and a driver output slew rate of 24V/µs to 150V/µs.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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 1Mbps RS-232 TRSF3221EIDYYR Texas Instruments 1: $2.495 1.885In Stock New Product	Mfr. Part # TRSF3221EIDYYR Mouser Part # 595-TRSF3221EIDYYR New Product	Texas Instruments	RS-232 Interface IC 3- to 5.5-V single c hannel 1Mbps RS-232 Learn More about Texas Instruments ti trsf3221e rs232 line driver receiver	Datasheet	1.885In Stock	Cut Tape $2.495 $1.846 $1.675 $1.492 View Reel $1.310 $1.413 $1.356 $1.310 $1.310 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1.001 : 3.000			SMD/SMT	SOT-23-16	TRSF3221E	Transceiver	1 Mb/s	1 Driver	1 Receiver		5.5 V	3 V	1 uA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel
	RS-232 Interface IC 3V-5.5V Sgl-Ch RS232 1Mbit Line Drvr/Rcv TRSF3221EIDBR Texas Instruments 1: $3.623 3.946In Stock	Mfr. Part # TRSF3221EIDBR Mouser Part # 595-TRSF3221EIDBR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Ch RS232 1Mbit Line Drvr/Rcv Learn More about Texas Instruments ti trsf3221e rs232 line driver receiver	Datasheet	3.946In Stock	Cut Tape $3.623 $2.723 $2.495 $2.244 Reel $1.914 View $2.119 $2.085 $1.982 $1.880 MouseReel Available	Min.: 1 Mult.: 1 : 2.000			SMD/SMT	SSOP-16	TRSF3221E	Transceiver	1 Mb/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-Ch RS232 1Mbit Line Drvr/Rcv A 595-TRSF3221ECDB TRSF3221ECDBR Texas Instruments 1: $3.327 258In Stock	Mfr. Part # TRSF3221ECDBR Mouser Part # 595-TRSF3221ECDBR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Ch RS232 1Mbit Line Drvr/Rcv A 595-TRSF3221ECDB Learn More about Texas Instruments ti trsf3221e rs232 line driver receiver	Datasheet	258In Stock	Cut Tape $3.327 $2.495 $2.279 $2.051 Reel $1.811 View $1.937 $1.914 $1.868 $1.789 MouseReel Available	Min.: 1 Mult.: 1 : 2.000			SMD/SMT	SSOP-16	TRSF3221E	Transceiver	1 Mb/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-Ch RS232 1Mbit Line Drvr/Rcv A 595-TRSF3221ECPW TRSF3221ECPWR Texas Instruments 1: $3.862 263In Stock	Mfr. Part # TRSF3221ECPWR Mouser Part # 595-TRSF3221ECPWR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Ch RS232 1Mbit Line Drvr/Rcv A 595-TRSF3221ECPW Learn More about Texas Instruments ti trsf3221e rs232 line driver receiver	Datasheet	263In Stock	Cut Tape $3.862 $2.882 $2.632 $2.358 Reel $2.073 View $2.233 $2.187 $2.085 $2.062 MouseReel Available	Min.: 1 Mult.: 1 : 2.000			SMD/SMT	TSSOP-16	TRSF3221E	Transceiver	1 Mb/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 3- to 5.5-V single c hannel 1Mbps RS-232 TRSF3221EIRGTR Texas Instruments 1: $3.327 17.677On Order	Mfr. Part # TRSF3221EIRGTR Mouser Part # 595-TRSF3221EIRGTR	Texas Instruments	RS-232 Interface IC 3- to 5.5-V single c hannel 1Mbps RS-232 Learn More about Texas Instruments ti trsf3221e rs232 line driver receiver	Datasheet	17.677On Order On Order Ship Dates Mfr. #: TRSF3221EIRGTR Stock: 0 On Order: 8.677 Expected 12/10/2026 9.000 Expected 2/15/2027 Factory Lead-Time: 12 Weeks	Cut Tape $3.327 $2.472 $2.267 $2.028 View Reel $1.675 $1.925 $1.880 $1.834 $1.675 MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	VQFN-16	TRSF3221E	Transceiver	1 Mb/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-Ch RS232 1Mbit Line Drvr/Rcv A 595-TRSF3221EIPW TRSF3221EIPWR Texas Instruments 1: $3.110 5.893Expected 12/31/2026	Mfr. Part # TRSF3221EIPWR Mouser Part # 595-TRSF3221EIPWR	Texas Instruments	RS-232 Interface IC 3V-5.5V Sgl-Ch RS232 1Mbit Line Drvr/Rcv A 595-TRSF3221EIPW Learn More about Texas Instruments ti trsf3221e rs232 line driver receiver	Datasheet	5.893Expected 12/31/2026	Cut Tape $3.110 $2.301 $2.108 $1.891 $1.777 Reel $1.504 MouseReel Available	Min.: 1 Mult.: 1 : 2.000			SMD/SMT	TSSOP-16	TRSF3221E	Transceiver	1 Mb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	3 V	1 mA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel