ICL3221E RS-232 Interface ICs

Renesas Electronics ICL3221E RS-232 Interface ICs is 3.0V to 5.5V powered RS-232 transmitters/receivers that meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC=3.0V. Additionally, the devices provide ±15kV ESD protection (IEC61000-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins).

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Description Datasheet Availability Pricing (USD) 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

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN COM
Datasheet
2,868In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-16 ICL3221 Transceiver 250 kb/s 1 Driver 1 Receiver Full Duplex 5.5 V 3 V 1 mA 0 C + 70 C 15 kV Tube

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN IND
Datasheet
4,720In Stock
62,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TSSOP-16 ICL3221 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

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN 16 SSOP COM
Datasheet
468In Stock
3,080Expected 1/25/2027
Min.: 1
Mult.: 1

SMD/SMT SSOP-16 ICL3221 Transceiver 250 kb/s 1 Driver 1 Receiver Full Duplex 5.5 V 3 V 1 mA 0 C + 70 C 15 kV Tube

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN 16 SSOP COM
Datasheet
82In Stock
4,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT SSOP-16 ICL3221 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

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN COM
Datasheet
2,450Expected 1/29/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TSSOP-16 ICL3221 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

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN 16SSOP IND
Datasheet
649In Stock
2,695Expected 12/11/2026
Min.: 1
Mult.: 1

SMD/SMT SSOP-16 ICL3221 Transceiver 500 kb/s 1 Driver 1 Receiver Full Duplex 5.5 V 3 V 1 mA - 40 C + 85 C 15 kV Tube

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN IND
Datasheet
402In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

SMD/SMT SSOP-16 ICL3221 Transceiver 250 kb/s 1 Driver 1 Receiver Full Duplex 1 mA - 40 C + 85 C 15 kV Reel, Cut Tape, MouseReel

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN 16TSSOP IND
Datasheet
453In Stock
5,760Expected 9/25/2026
Min.: 1
Mult.: 1

SMD/SMT TSSOP-16 ICL3221 Transceiver 250 kb/s 1 Driver 1 Receiver Full Duplex 5.5 V 3 V 1 mA - 40 C + 85 C 15 kV Tube

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN IND
Datasheet
134In Stock
250Expected 8/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

SMD/SMT ICL3221 Transceiver 250 kb/s 1 Driver 1 Receiver Full Duplex 1 mA - 40 C + 85 C 15 kV Reel, Cut Tape, MouseReel

Renesas / Intersil RS-232 Interface IC RS232 3V 1D/1R 15KV AUTODWN IND
Datasheet
7,901On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT SSOP-16 ICL3221 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