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RS-232 Interface IC

RS-232 Interface ICs are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many RS-232 Interface IC manufacturers, including Analog Devices Inc., MaxLinear, Renesas Electronics, Texas Instruments & more.
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Part #

RS-232 Interface IC 3V RS-232 1TX/1RX TRANSC 16LD 5X5

ISL4221EIRZ-T
Renesas / Intersil
1: $4.72
4,308In Stock
6,000Expected 2026/11/20

Mfr. Part No.
ISL4221EIRZ-T

Mouser Part No
968-ISL4221EIRZ-T

Renesas / Intersil

RS-232 Interface IC 3V RS-232 1TX/1RX TRANSC 16LD 5X5

Learn More

Datasheet

4,308In Stock

6,000Expected 2026/11/20

Cut Tape

$4.72

$3.66

$3.22

$2.91

View

Reel

$2.47

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

QFN-16

ISL4221E

Transceiver

250 kb/s

1 Driver

1 Receiver

Full Duplex

5.5 V

2.7 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5

ISL4223EIRZ
Renesas / Intersil
1: $6.37
652In Stock

Mfr. Part No.
ISL4223EIRZ

Mouser Part No
968-ISL4223EIRZ

Renesas / Intersil

RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5

Learn More

Datasheet

652In Stock

$6.37

$4.87

$4.36

$4.06

View

Min.: 1
Mult.: 1

QFN-20

ISL4223E

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

2.7 V

SMD/SMT

150 nA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC RS232 3V 5D/3R 15KV AUTODWN 32LD IND

ISL4238EIRZ
Renesas / Intersil
1: $7.59
402In Stock

Mfr. Part No.
ISL4238EIRZ

Mouser Part No
968-ISL4238EIRZ

Renesas / Intersil

RS-232 Interface IC RS232 3V 5D/3R 15KV AUTODWN 32LD IND

Datasheet

402In Stock

$7.59

$5.85

$5.21

$4.87

View

Min.: 1
Mult.: 1

QFN-EP-32

ISL4238E

Transceiver

250 kb/s

5 Driver

3 Receiver

Full Duplex

5.5 V

2.7 V

SMD/SMT

1.5 mA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC RS232 3V 3D/5R 15KV 1MBPS E-DWN 32QFN IN

ISL4245EIRZ
Renesas / Intersil
1: $7.11
847In Stock

Mfr. Part No.
ISL4245EIRZ

Mouser Part No
968-ISL4245EIRZ

Renesas / Intersil

RS-232 Interface IC RS232 3V 3D/5R 15KV 1MBPS E-DWN 32QFN IN

Datasheet

847In Stock

$7.11

$5.45

$4.92

$4.56

View

Min.: 1
Mult.: 1

QFN-EP-32

ISL4245E

Transceiver

1 Mb/s

3 Driver

5 Receiver

Full Duplex

5.5 V

2.7 V

SMD/SMT

1.5 mA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC 5V MultiCh Line Driv er/Receiver A 595-M A 595-MAX208CDWR

MAX208CDW
Texas Instruments
1: $4.94
256In Stock

Mfr. Part No.
MAX208CDW

Mouser Part No
595-MAX208CDW

Texas Instruments

RS-232 Interface IC 5V MultiCh Line Driv er/Receiver A 595-M A 595-MAX208CDWR

Datasheet

256In Stock

$4.94

$3.72

$3.42

$3.08

View

Min.: 1
Mult.: 1

SOIC-24

MAX208

Transceiver

120 kb/s

4 Driver

4 Receiver

Full Duplex

5.5 V

4.5 V

SMD/SMT

20 mA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC RS232 Line Driver/Re ceiver A 595-MAX232 A 595-MAX232ECD

MAX232ECDR
Texas Instruments
1: $1.28
6,306In Stock

Mfr. Part No.
MAX232ECDR

Mouser Part No
595-MAX232ECDR

Texas Instruments

RS-232 Interface IC RS232 Line Driver/Re ceiver A 595-MAX232 A 595-MAX232ECD

Datasheet

6,306In Stock

Cut Tape

$1.28

$0.926

$0.839

$0.741

Reel

$0.619

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SOIC-16

MAX232E

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

4.5 V

SMD/SMT

10 mA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr A 595 A 595-MAX3223CDWR

MAX3223CDW
Texas Instruments
1: $4.13
191In Stock

Mfr. Part No.
MAX3223CDW

Mouser Part No
595-MAX3223CDW

Texas Instruments

RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr A 595 A 595-MAX3223CDWR

Datasheet

191In Stock

$4.13

$3.11

$2.63

$2.57

View

Min.: 1
Mult.: 1

SOIC-20

MAX3223

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC 3-5V MultiCh Line Dr iver/Receiver A 595 A 595-MAX3223EIDB

MAX3223EIDBR
Texas Instruments
1: $3.83
712In Stock
6,000Expected 2026/08/31

Mfr. Part No.
MAX3223EIDBR

Mouser Part No
595-MAX3223EIDBR

Texas Instruments

RS-232 Interface IC 3-5V MultiCh Line Dr iver/Receiver A 595 A 595-MAX3223EIDB

Datasheet

712In Stock

6,000Expected 2026/08/31

Cut Tape

$3.83

$2.85

$2.61

$2.34

Reel

$1.99

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SSOP-20

MAX3223E

Transceiver

500 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3-5V MultiCh Line Dr iver/Receiver A 595 A 595-MAX3223EIDW

MAX3223EIDWR
Texas Instruments
1: $3.97
93In Stock

Mfr. Part No.
MAX3223EIDWR

Mouser Part No
595-MAX3223EIDWR

Texas Instruments

RS-232 Interface IC 3-5V MultiCh Line Dr iver/Receiver A 595 A 595-MAX3223EIDW

Datasheet

93In Stock

Cut Tape

$3.97

$2.98

$2.74

$2.47

View

Reel

$2.13

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SOIC-20

MAX3223E

Transceiver

500 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3-5.5V RS232 A 595-M AX3223IDW A 595-MAX A 595-MAX3223IDW

MAX3223IDWR
Texas Instruments
1: $3.79
402In Stock

Mfr. Part No.
MAX3223IDWR

Mouser Part No
595-MAX3223IDWR

Texas Instruments

RS-232 Interface IC 3-5.5V RS232 A 595-M AX3223IDW A 595-MAX A 595-MAX3223IDW

Datasheet

402In Stock

Cut Tape

$3.79

$2.86

$2.63

$2.37

Reel

$2.05

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SOIC-20

MAX3223

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3-5.5V Mult-Ch RS232 A 595-MAX3232CDB A A 595-MAX3232CDB

MAX3232CDBR
Texas Instruments
1: $2.47
401In Stock
3,884Expected 2026/08/27

Mfr. Part No.
MAX3232CDBR

Mouser Part No
595-MAX3232CDBR

Texas Instruments

RS-232 Interface IC 3-5.5V Mult-Ch RS232 A 595-MAX3232CDB A A 595-MAX3232CDB

Datasheet

401In Stock

3,884Expected 2026/08/27

Cut Tape

$2.47

$1.81

$1.67

$1.50

Reel

$1.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SSOP-16

MAX3232

Transceiver

250 kb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

0 C

+ 70 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3 to 5V Multichannel RS-232 Line Drv/Rcv A 595-MAX3237EIDB

MAX3237EIDBR
Texas Instruments
1: $4.11
4,449In Stock
2,000Expected 2026/08/26

Mfr. Part No.
MAX3237EIDBR

Mouser Part No
595-MAX3237EIDBR

Texas Instruments

RS-232 Interface IC 3 to 5V Multichannel RS-232 Line Drv/Rcv A 595-MAX3237EIDB

Datasheet

4,449In Stock

2,000Expected 2026/08/26

Cut Tape

$4.11

$3.11

$2.86

$2.58

Reel

$2.24

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SSOP-28

MAX3237E

Transceiver

1 Mb/s

5 Driver

3 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

2 mA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC Quad Low Pwr

SN65C1154N
Texas Instruments
1: $5.05
212In Stock

Mfr. Part No.
SN65C1154N

Mouser Part No
595-SN65C1154N

Texas Instruments

RS-232 Interface IC Quad Low Pwr

Datasheet

212In Stock

$5.05

$3.85

$3.54

$3.21

View

Min.: 1
Mult.: 1

PDIP-20

SN65C1154

Transceiver

95 kb/s

4 Driver

4 Receiver

Full Duplex

5 V

Through Hole

600 uA

- 40 C

+ 85 C

ESD Protection

Tube

RS-232 Interface IC 3V To 5.5V MultiCh R S-232

SN65C3221IPWRQ1
Texas Instruments
1: $3.16
165In Stock
4,000On Order

Mfr. Part No.
SN65C3221IPWRQ1

Mouser Part No
595-SN65C3221IPWRQ1

Texas Instruments

RS-232 Interface IC 3V To 5.5V MultiCh R S-232

Datasheet

165In Stock

4,000On Order

Cut Tape

$3.16

$2.37

$2.17

$1.97

Reel

$1.67

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

TSSOP-16

SN65C3221

Transceiver

1 Mb/s

1 Driver

1 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

AEC-Q100

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3-5.5V MultiCh Compa t Line Drv/Rcvr

SN65C3222DBR
Texas Instruments
1: $4.14
203In Stock

Mfr. Part No.
SN65C3222DBR

Mouser Part No
595-SN65C3222DBR

Texas Instruments

RS-232 Interface IC 3-5.5V MultiCh Compa t Line Drv/Rcvr

Datasheet

203In Stock

Cut Tape

$4.14

$3.88

$3.57

$3.52

Reel

$2.84

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SSOP-20

SN65C3222

Transceiver

1 Mb/s

2 Driver

2 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

Reel, Cut Tape, MouseReel

RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr A 595 A 595-SN65C3243DWR

SN65C3243DW
Texas Instruments
1: $6.05
150In Stock

Mfr. Part No.
SN65C3243DW

Mouser Part No
595-SN65C3243DW

Texas Instruments

RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr A 595 A 595-SN65C3243DWR

Datasheet

150In Stock

$6.05

$4.40

$4.15

$3.86

View

Min.: 1
Mult.: 1

SOIC-28

SN65C3243

Transceiver

1 Mb/s

3 Driver

5 Receiver

Full Duplex

5.5 V

3 V

SMD/SMT

1 mA

- 40 C

+ 85 C

15 kV

Tube

RS-232 Interface IC Line Driver and Rece iver 8-PDIP -20 to

SN751701P
Texas Instruments
1: $3.74
320In Stock

Mfr. Part No.
SN751701P

Mouser Part No
595-SN751701P

Texas Instruments

RS-232 Interface IC Line Driver and Rece iver 8-PDIP -20 to

Datasheet

320In Stock

$3.74

$2.88

$2.44

$2.28

View

Min.: 1
Mult.: 1

PDIP-8

SN751701

Transceiver

300 kb/s

1 Driver

1 Receiver

Half Duplex

15 V

4.5 V

Through Hole

9.1 mA

0 C

+ 70 C

Without ESD Protection

Tube

RS-232 Interface IC RS-232C REGULATOR

SN751701PSR
Texas Instruments
1: $1.56
492In Stock

Mfr. Part No.
SN751701PSR

Mouser Part No
595-SN751701PSR

Texas Instruments

RS-232 Interface IC RS-232C REGULATOR

Datasheet

492In Stock

Cut Tape

$1.56

$1.14

$1.04

$0.918

Reel

$0.758

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SOIC-8

SN751701

Transceiver

300 kb/s

1 Driver

1 Receiver

Half Duplex

15 V

4.5 V

SMD/SMT

6.1 mA

- 20 C

+ 70 C

Without ESD Protection

Reel, Cut Tape, MouseReel

RS-232 Interface IC Quad Line A 595-SN75 188D A 595-SN75188D A 595-SN75188D

SN75188DR
Texas Instruments
1: $0.72
2,644In Stock

Mfr. Part No.
SN75188DR

Mouser Part No
595-SN75188DR

Texas Instruments

RS-232 Interface IC Quad Line A 595-SN75 188D A 595-SN75188D A 595-SN75188D

Datasheet

2,644In Stock

Cut Tape

$0.72

$0.505

$0.454

$0.397

Reel

$0.333

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SOIC-14

SN75188

Driver

300 kb/s

4 Driver

0 Receiver

15 V

7.5 V

SMD/SMT

34 mA

0 C

+ 70 C

Without ESD Protection

Reel, Cut Tape, MouseReel

RS-232 Interface IC Quad Line Drive

SN75188N
Texas Instruments
1: $1.34
1,016In Stock

Mfr. Part No.
SN75188N

Mouser Part No
595-SN75188N

Texas Instruments

RS-232 Interface IC Quad Line Drive

Datasheet

1,016In Stock

$1.34

$1.03

$0.873

$0.844

View

Min.: 1
Mult.: 1

PDIP-14

SN75188

Driver

300 kb/s

4 Driver

0 Receiver

15 V

7.5 V

Through Hole

34 mA

0 C

+ 70 C

Without ESD Protection

Tube

RS-232 Interface IC Quad Line Driver

SN75188NSR
Texas Instruments
1: $1.00
1,372In Stock

Mfr. Part No.
SN75188NSR

Mouser Part No
595-SN75188NSR

Texas Instruments

RS-232 Interface IC Quad Line Driver

Datasheet

1,372In Stock

Cut Tape

$1.00

$0.715

$0.647

$0.568

Reel

$0.472

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SOIC-14

SN75188

Driver

300 kb/s

4 Driver

0 Receiver

15 V

7.5 V

SMD/SMT

34 mA

0 C

+ 70 C

Without ESD Protection

Reel, Cut Tape, MouseReel

RS-232 Interface IC Quad Line Receiver/L A 595-SN75189ADR A A 595-SN75189ADR

SN75189AD
Texas Instruments
1: $1.47
577In Stock

Mfr. Part No.
SN75189AD

Mouser Part No
595-SN75189AD

Texas Instruments

RS-232 Interface IC Quad Line Receiver/L A 595-SN75189ADR A A 595-SN75189ADR

Learn More

Datasheet

577In Stock

$1.47

$1.10

$0.971

$0.892

View

Min.: 1
Mult.: 1

SOIC-14

SN75189A

Receiver

1 Mb/s

0 Driver

4 Receiver

5 V

SMD/SMT

26 mA

0 C

+ 70 C

Without ESD Protection

Tube

RS-232 Interface IC Quad Line A 595-SN75 189AD A 595-SN75189 A 595-SN75189AD

SN75189ADR
Texas Instruments
1: $0.72
2,021In Stock

Mfr. Part No.
SN75189ADR

Mouser Part No
595-SN75189ADR

Texas Instruments

RS-232 Interface IC Quad Line A 595-SN75 189AD A 595-SN75189 A 595-SN75189AD

Learn More

Datasheet

2,021In Stock

Cut Tape

$0.72

$0.506

$0.455

$0.398

Reel

$0.326

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SOIC-14

SN75189A

Receiver

1 Mb/s

0 Driver

4 Receiver

5 V

SMD/SMT

26 mA

0 C

+ 70 C

Without ESD Protection

Reel, Cut Tape, MouseReel

RS-232 Interface IC Quad Line

SN75189AN
Texas Instruments
1: $1.06
1,455In Stock

Mfr. Part No.
SN75189AN

Mouser Part No
595-SN75189AN

Texas Instruments

RS-232 Interface IC Quad Line

Datasheet

1,455In Stock

$1.06

$0.78

$0.662

$0.602

View

Min.: 1
Mult.: 1

PDIP-14

SN75189A

Receiver

1 Mb/s

0 Driver

4 Receiver

5 V

SMD/SMT

26 mA

0 C

+ 70 C

Without ESD Protection

Tube

RS-232 Interface IC Quadruple Line Recei ver 14-TSSOP

SN75189APWR
Texas Instruments
1: $0.80
2,486In Stock

Mfr. Part No.
SN75189APWR

Mouser Part No
595-SN75189APWR

Texas Instruments

RS-232 Interface IC Quadruple Line Recei ver 14-TSSOP

Datasheet

2,486In Stock

Cut Tape

$0.80

$0.572

$0.515

$0.452

Reel

$0.397

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

TSSOP-14

SN75189A

Receiver

1 Mb/s

4 Driver

4 Receiver

5.5 V

4.5 V

SMD/SMT

20 mA

0 C

+ 70 C

Without ESD Protection

Reel, Cut Tape, MouseReel

RS-232 Interface IC

Customer Service Office

Company

Resources

Support

BGA-32
DFN-12
DFN-16
DIP-16
DMP-16
LFCSP-12
LFCSP-32
LGA-12
LGA-32
MSOP-10
PDIP-14
PDIP-16
PDIP-18
PDIP-20
PDIP-24
PDIP-28
PDIP-8
PDIP-Narrow-24
PLCC-28
PLCC-44

AD7306
ADM101E
ADM1181A
ADM1385
ADM202
ADM202E
ADM206
ADM206E
ADM207
ADM207E
ADM208
ADM208E
ADM211
ADM211E
ADM213
ADM213E
ADM2209E
ADM222
ADM232A
ADM232L

7 kb/s
20 kb/s
95 kb/s
100 kb/s
116 kb/s
120 kb/s
128 kb/s
150 kb/s
200 kb/s
220 kb/s
230 kb/s
235 kb/s
250 kb/s
256 kb/s
300 kb/s
400 kb/s
450 kb/s
460 kb/s
500 kb/s
920 kb/s

1.65 V
1.8 V
2.25 V
2.35 V
2.5 V
2.7 V
3 V
3 V, 10.8 V
3.3 V
4.5 V
4.75 V
5 V
5 V, 12 V
5 V, 7.5 V
5 V, 9 V
5.4 V
7.5 V
9 V
10.8 V
12 V

150 nA
200 nA
850 nA
1 uA
5 uA
10 uA
30 uA
85 uA
100 uA
160 uA
170 uA
180 uA
200 uA
220 uA
250 uA
250 uA, 2 mA
300 uA
350 uA
400 uA
500 uA