ISL3232E/ISL4221E/ISL4223E RS-232 Interface ICs

Renesas Electronics ISL3232E/ISL4221E/ISL4223E RS-232 Interface ICs are 2.7V to 5.5V powered RS-232 transmitters/receivers that meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. The devices provide ±15kV ESD protection (IEC61000-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins).

Results: 9
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) 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 3V RS-232 2TX/2RX TRANSC 20LD 5X5 1,265In Stock
Cut Tape
$12.86
$9.96
$9.24
$8.44
Reel
$7.73
Min.: 1
Mult.: 1
: 250
SMD/SMT QFN-20 ISL4223E Transceiver 250 kb/s 2 Driver 2 Receiver Full Duplex 5.5 V 2.7 V 150 nA - 40 C + 85 C 15 kV Reel, Cut Tape, MouseReel

Renesas / Intersil RS-232 Interface IC 3V RS-232 1TX/1RX TRANSC 16LD 5X5 7,264In Stock
Cut Tape
$6.58
$4.95
$4.55
$4.10
Reel
$3.56
Min.: 1
Mult.: 1
: 6,000
SMD/SMT QFN-16 ISL4221E Transceiver 250 kb/s 1 Driver 1 Receiver Full Duplex 5.5 V 2.7 V 1 mA - 40 C + 85 C 15 kV Reel, Cut Tape, MouseReel
Renesas / Intersil RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5 249In Stock
240Expected 2027-05-10
$9.17
$7.01
$6.28
$5.85
Min.: 1
Mult.: 1
SMD/SMT QFN-20 ISL4223E Transceiver 250 kb/s 2 Driver 2 Receiver Full Duplex 5.5 V 2.7 V 150 nA - 40 C + 85 C 15 kV Tube
Renesas / Intersil RS-232 Interface IC Pb-Free 3V RS-232 2TX/2RX -40+85 TRANSCEIVER, 20LD 5X5 QFN, 536In Stock
Cut Tape
$9.42
$7.13
$6.57
$5.95
Reel
$5.36
Min.: 1
Mult.: 1
: 1,000
SMD/SMT QFN-20 ISL4223E Transceiver 250 kb/s 2 Driver 2 Receiver Full Duplex 5.5 V 2.7 V 150 nA - 40 C + 85 C 15 kV Reel, Cut Tape

Renesas / Intersil RS-232 Interface IC 3V RS-232 1TX/1RX -4 0+85 TRANS 16LD 5X5 57In Stock
4,020On Order
$6.85
$5.10
$4.48
$4.18
Min.: 1
Mult.: 1
SMD/SMT QFN-16 ISL4221E Transceiver 250 kb/s 1 Driver 1 Receiver Full Duplex 5.5 V 2.7 V 1 mA - 40 C + 85 C 15 kV Tube

Renesas / Intersil RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 16LD 5X5
5,023On Order
$4.59
$3.31
$2.78
$2.64
Min.: 1
Mult.: 1
SMD/SMT QFN-16 ISL3232E Transceiver 250 kb/s 2 Driver 2 Receiver Full Duplex 5.5 V 2.7 V 1 mA - 40 C + 85 C 15 kV Tube

Renesas / Intersil RS-232 Interface IC 3V RS-232 2TX/2RX -4 0+85 TRANS 16LD 5X5
250Expected 2027-05-24
Cut Tape
$5.52
$4.94
$3.96
$3.64
Reel
$3.48
Min.: 1
Mult.: 1
: 250
SMD/SMT QFN-16 ISL3232E Transceiver 250 kb/s 2 Driver 2 Receiver Full Duplex 5.5 V 2.7 V 1 mA - 40 C + 85 C 15 kV Reel, Cut Tape, MouseReel

Renesas / Intersil RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 16LD 5X5 Non-Stocked Lead-Time 36 Weeks
Cut Tape
$4.15
$3.10
$2.82
$2.53
Reel
$2.19
Min.: 1
Mult.: 1
: 6,000
SMD/SMT QFN-16 ISL3232E Transceiver 500 kb/s 1 Driver 2 Receiver 5.5 V 2.7 V 1 mA - 40 C + 85 C ESD Protection Reel, Cut Tape, MouseReel
Renesas / Intersil RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5 Non-Stocked Lead-Time 36 Weeks
Reel
$5.34
Min.: 6,000
Mult.: 6,000
: 6,000
SMD/SMT QFN-20 ISL4223E Transceiver 250 kb/s 2 Driver 2 Receiver 5.5 V 2.7 V 150 nA - 40 C + 85 C ESD Protection Reel