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400 kHz Interface ICs

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Maximum Clock Frequency = 400 kHz

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Part #

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package

PCA9538PW,118
NXP Semiconductors
1: Rp44.764
6.032In Stock

Mfr. Part No.
PCA9538PW,118

Mouser Part No
771-PCA9538PW-T

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package

Datasheet

6.032In Stock

Cut Tape

Rp44.764

Rp33.390

Rp30.454

Rp27.336

Reel

Rp23.116

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

I/O Expanders

I2C, Serial, SMBus

SMD/SMT

TSSOP-16

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package

PCA9538PW/Q900,118
NXP Semiconductors
1: Rp54.304
1.828In Stock

Mfr. Part No.
PCA9538PW/Q900,118

Mouser Part No
771-PCA9538PW/Q90011

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package

Datasheet

1.828In Stock

Cut Tape

Rp54.304

Rp40.545

Rp37.059

Rp33.390

Reel

Rp27.886

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

I/O Expanders

I2C, Serial, SMBus

SMD/SMT

TSSOP-16

Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package

PCA9539PW,118
NXP Semiconductors
1: Rp41.462
4.940In Stock
17.500On Order

Mfr. Part No.
PCA9539PW,118

Mouser Part No
771-PCA9539PW-T

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package

Datasheet

4.940In Stock

17.500On Order

Cut Tape

Rp41.462

Rp31.922

Rp28.253

Rp25.317

Reel

Rp22.199

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

I/O Expanders

General Purpose

I2C, Serial, SMBus

SMD/SMT

TSSOP-24

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554 in TSSOP16 package

PCA9554APW,118
NXP Semiconductors
1: Rp38.710
7.152In Stock

Mfr. Part No.
PCA9554APW,118

Mouser Part No
771-PCA9554APW-T

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554 in TSSOP16 package

Datasheet

7.152In Stock

Cut Tape

Rp38.710

Rp28.620

Rp26.235

Rp23.299

Reel

Rp19.997

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

TSSOP-16

Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package

PCA9555D,118
NXP Semiconductors
1: Rp53.570
4.388In Stock
7.000Expected 14/09/2026

Mfr. Part No.
PCA9555D,118

Mouser Part No
771-PCA9555D-T

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package

Learn More

Datasheet

4.388In Stock

7.000Expected 14/09/2026

Cut Tape

Rp53.570

Rp39.994

Rp36.692

Rp33.023

Reel

Rp28.803

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SO-24

Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package

PCA9555DB,118
NXP Semiconductors
1: Rp56.873
6.083In Stock

Mfr. Part No.
PCA9555DB,118

Mouser Part No
771-PCA9555DB-T

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package

Datasheet

6.083In Stock

Cut Tape

Rp56.873

Rp42.746

Rp39.077

Rp35.224

Reel

Rp30.821

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SSOP-24

Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in XQFN16 package

PCAL6408AHKX
NXP Semiconductors
1: Rp24.217
3.353In Stock
96.000On Order

Mfr. Part No.
PCAL6408AHKX

Mouser Part No
771-PCAL6408AHKX

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in XQFN16 package

Learn More

Datasheet

3.353In Stock

96.000On Order

Cut Tape

Rp24.217

Rp17.539

Rp15.888

Rp14.071

View

Reel

Rp11.650

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

I/O Expanders

General Purpose

I2C, Serial, SMBus

SMD/SMT

XQFN-16

Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package

PCAL6416AEVJ
NXP Semiconductors
1: Rp30.087
1.301In Stock
6.000Expected 07/10/2026

Mfr. Part No.
PCAL6416AEVJ

Mouser Part No
771-PCAL6416AEVJ

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package

Learn More

Datasheet

1.301In Stock

6.000Expected 07/10/2026

Cut Tape

Rp30.087

Rp22.199

Rp20.181

Rp17.814

View

Reel

Rp14.402

MouseReel Available

Min.: 1
Mult.: 1

: 6.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

VFBGA-24

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package

PCAL9538ABSHP
NXP Semiconductors
1: Rp40.912
6.371In Stock
6.000Expected 18/03/2027

Mfr. Part No.
PCAL9538ABSHP

Mouser Part No
771-PCAL9538ABSHP

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package

Datasheet

6.371In Stock

6.000Expected 18/03/2027

Cut Tape

Rp40.912

Rp30.271

Rp27.702

Rp24.951

View

Reel

Rp22.015

MouseReel Available

Min.: 1
Mult.: 1

: 6.000

I/O Expanders

I2C, Serial

SMD/SMT

HVQFN-16

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package

PCAL9538APWJ
NXP Semiconductors
1: Rp40.178
11.954In Stock

Mfr. Part No.
PCAL9538APWJ

Mouser Part No
771-PCAL9538APWJ

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package

Datasheet

11.954In Stock

Cut Tape

Rp40.178

Rp29.904

Rp27.152

Rp24.400

Reel

Rp20.914

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

I/O Expanders

I2C, Serial

SMD/SMT

TSSOP-16

Interface - Signal Buffers, Repeaters Ultra Low Power 10.3 Gbps 2Ch Repeater A A 926-DS64BR111SQ/NOPB

DS64BR111SQE/NOPB
Texas Instruments
1: Rp297.939
154In Stock
500Expected 24/09/2026

Mfr. Part No.
DS64BR111SQE/NOPB

Mouser Part No
926-DS64BR111SQENOPB

Texas Instruments

Interface - Signal Buffers, Repeaters Ultra Low Power 10.3 Gbps 2Ch Repeater A A 926-DS64BR111SQ/NOPB

Datasheet

154In Stock

500Expected 24/09/2026

Cut Tape

Rp297.939

Rp235.930

Rp220.519

Rp204.191

Reel

Rp204.008

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Signal Buffers, Repeaters

Repeaters

I2C, SMBus

SMD/SMT

WQFN-24

Interface - I/O Expanders 16 bit In/Out

MCP23016-I/SP
Microchip Technology
1: Rp41.095
491In Stock

Mfr. Part No.
MCP23016-I/SP

Mouser Part No
579-MCP23016-I/SP

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

491In Stock

Rp41.095

Rp34.124

Rp33.023

Min.: 1
Mult.: 1

I/O Expanders

I/O Expander

I2C, Serial

Through Hole

SPDIP-28

Interface - Signal Buffers, Repeaters I2C Bus Extender

P82B715P
Texas Instruments
1: Rp71.366
414In Stock

Mfr. Part No.
P82B715P

Mouser Part No
595-P82B715P

Texas Instruments

Interface - Signal Buffers, Repeaters I2C Bus Extender

Datasheet

414In Stock

Rp71.366

Rp53.937

Rp46.782

Rp44.214

View

Min.: 1
Mult.: 1

Signal Buffers, Repeaters

Bus Extenders

I2C Bus

I2C

Through Hole

PDIP-8

Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB

PCA9534ADBR
Texas Instruments
1: Rp73.384
403In Stock

Mfr. Part No.
PCA9534ADBR

Mouser Part No
595-PCA9534ADBR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB

Datasheet

403In Stock

Cut Tape

Rp73.384

Rp55.405

Rp50.818

Rp45.865

View

Reel

Rp40.361

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SSOP-16

Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR

PCA9534DB
Texas Instruments
1: Rp92.464
109In Stock

Mfr. Part No.
PCA9534DB

Mouser Part No
595-PCA9534DB

Texas Instruments

Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR

Datasheet

109In Stock

Rp92.464

Rp70.449

Rp59.808

Rp57.240

View

Min.: 1
Mult.: 1

I/O Expanders

I2C, Serial, SMBus

SMD/SMT

SSOP-16

Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW

PCA9534DWR
Texas Instruments
1: Rp59.991
85In Stock
4.000Expected 14/09/2026

Mfr. Part No.
PCA9534DWR

Mouser Part No
595-PCA9534DWR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW

Datasheet

85In Stock

4.000Expected 14/09/2026

Cut Tape

Rp59.991

Rp44.948

Rp41.095

Rp36.875

Reel

Rp31.555

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SOIC-16

Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR

PCA9535DW
Texas Instruments
1: Rp97.601
86In Stock

Mfr. Part No.
PCA9535DW

Mouser Part No
595-PCA9535DW

Texas Instruments

Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR

Datasheet

86In Stock

Rp97.601

Rp76.503

Rp64.945

Rp62.009

View

Min.: 1
Mult.: 1

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SOIC-24

Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR

PCA9539DB
Texas Instruments
1: Rp90.262
70In Stock

Mfr. Part No.
PCA9539DB

Mouser Part No
595-PCA9539DB

Texas Instruments

Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR

Datasheet

70In Stock

Rp90.262

Rp68.798

Rp63.477

Rp57.240

View

Min.: 1
Mult.: 1

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SSOP-24

Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander

PCA9554ADGVR
Texas Instruments
1: Rp55.405
69In Stock

Mfr. Part No.
PCA9554ADGVR

Mouser Part No
595-PCA9554ADGVR

Texas Instruments

Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander

Learn More

Datasheet

69In Stock

Cut Tape

Rp55.405

Rp41.279

Rp37.793

Rp33.940

Rp32.106

Reel

Rp27.152

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

TVSOP-16

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW

PCF8575CPWR
Texas Instruments
1: Rp88.244
108In Stock

Mfr. Part No.
PCF8575CPWR

Mouser Part No
595-PCF8575CPWR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW

Datasheet

108In Stock

Cut Tape

Rp88.244

Rp87.694

Rp80.906

Rp75.035

View

Reel

Rp66.229

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

TSSOP-24

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB

PCF8575DBR
Texas Instruments
1: Rp67.697
179In Stock
4.000Expected 10/09/2026

Mfr. Part No.
PCF8575DBR

Mouser Part No
595-PCF8575DBR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB

Datasheet

179In Stock

4.000Expected 10/09/2026

Cut Tape

Rp67.697

Rp51.002

Rp46.782

Rp42.196

Reel

Rp36.325

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SSOP-24

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW

PCF8575PWR
Texas Instruments
1: Rp48.250
106In Stock
10.000Expected 08/10/2026

Mfr. Part No.
PCF8575PWR

Mouser Part No
595-PCF8575PWR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW

Datasheet

106In Stock

10.000Expected 08/10/2026

Cut Tape

Rp48.250

Rp35.958

Rp32.839

Rp29.354

Reel

Rp25.317

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

TSSOP-24

PCI Interface IC PCIe® 4.0 1 6-Gbps 4-chann DS160PR421RUAT

DS160PR421RUAR
Texas Instruments
1: Rp140.714
346In Stock

Mfr. Part No.
DS160PR421RUAR

Mouser Part No
595-DS160PR421RUAR

Texas Instruments

PCI Interface IC PCIe® 4.0 1 6-Gbps 4-chann DS160PR421RUAT

Learn More

Datasheet

346In Stock

Cut Tape

Rp140.714

Rp108.425

Rp100.353

Rp91.547

View

Reel

Rp80.355

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

PCI Interface IC

Redrivers

Switch - PCIe

PCIe

SMD/SMT

WQFN-42

Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT

PCA9518DW
Texas Instruments
1: Rp94.115
129In Stock

Mfr. Part No.
PCA9518DW

Mouser Part No
595-PCA9518DW

Texas Instruments

Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT

Datasheet

129In Stock

Rp94.115

Rp71.733

Rp65.862

Rp59.808

View

Min.: 1
Mult.: 1

I/O Expanders

I2C, Serial

SMD/SMT

SOIC-20

Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander

PCA9534ARGTR
Texas Instruments
1: Rp42.930
119In Stock
18.000Expected 07/01/2027

Mfr. Part No.
PCA9534ARGTR

Mouser Part No
595-PCA9534ARGTR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander

Datasheet

119In Stock

18.000Expected 07/01/2027

Cut Tape

Rp42.930

Rp31.739

Rp28.987

Rp26.051

Reel

Rp22.566

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

VQFN-16

400 kHz Interface ICs

Types of Interface ICs

Customer Service Office

Company

Resources

Support

4-Channel Linear Redriver
DisplayPort to HDMI Retimer
DP++ to HDMI Retimer
General Purpose
General Purpose Input/Output Expander
GPIO Expander
Hot Swappable
I/O Expander
I/O Expanders
I2C, SMBus
I2C and SMBus I/O Expander
I2C and SMBus I/O expander
I2C Bus
I2C-Bus/SMBus
I2C Bus Repeater
I2C Hub
Multi-Rate Retimer
PCIe
PCI Express 4.0
Switch - PCIe

CSBGA-49
DSBGA-25
FCBGA-196
HVQFN-16
HVQFN-24
HVSON-8
HWQFN-24
HWSON-8
MSOP-8
NFBGA-354
PDIP-8
QFN-20
QFN-24
QFN-28
QFN-46
QSOP-20
QSOP-24
SO-24
SOIC-16
SOIC-20