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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 (PEN) 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 3V-5.5V Sgl-Ch RS232 1Mbit Line Drvr/Rcv TRSF3221EIDBR Texas Instruments 1: S/10.94 4,066In 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	4,066In Stock	Cut Tape S/10.94 S/8.17 S/7.47 S/6.70 Reel S/5.22 View S/6.34 S/6.23 S/5.92 S/5.14 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 3- to 5.5-V single c hannel 1Mbps RS-232 TRSF3221EIDYYR Texas Instruments 1: S/8.52 1,893In 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	1,893In Stock	Cut Tape S/8.52 S/6.31 S/5.72 S/5.10 View Reel S/4.48 S/4.83 S/4.63 S/4.48 S/4.48 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 A 595-TRSF3221ECDB TRSF3221ECDBR Texas Instruments 1: S/10.04 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 S/10.04 S/7.47 S/6.85 S/6.11 Reel S/5.33 View S/5.80 S/5.68 S/5.57 S/5.22 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: S/10.35 273In 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	273In Stock	Cut Tape S/10.35 S/8.80 S/6.50 S/6.19 Reel S/5.96 S/5.84 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 3V-5.5V Sgl-Ch RS232 1Mbit Line Drvr/Rcv A 595-TRSF3221EIPW TRSF3221EIPWR Texas Instruments 1: S/9.26 115In Stock 8,000Expected 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	115In Stock 8,000Expected 12/31/2026	Cut Tape S/9.26 S/6.89 S/6.27 S/5.61 Reel S/4.79 View S/5.29 S/5.18 S/5.06 S/4.67 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
	RS-232 Interface IC 3- to 5.5-V single c hannel 1Mbps RS-232 TRSF3221EIRGTR Texas Instruments 1: S/11.37 8,965Expected 11/5/2026	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	8,965Expected 11/5/2026	Cut Tape S/11.37 S/8.45 S/7.75 S/6.93 Reel S/5.72 View S/6.58 S/6.42 S/6.27 S/5.61 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