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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/Q900,118
NXP Semiconductors
1: $4.03
1,860In 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

1,860In Stock

Cut Tape

$4.03

$3.01

$2.75

$2.48

Reel

$2.04

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: $3.07
5,214In 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

5,214In Stock

17,500On Order

Cut Tape

$3.07

$2.37

$2.09

$1.88

Reel

$1.65

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: $2.87
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

$2.87

$2.12

$1.94

$1.73

Reel

$1.48

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: $3.97
4,443In Stock
7,000Expected 14/9/2026

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

4,443In Stock

7,000Expected 14/9/2026

Cut Tape

$3.97

$2.96

$2.72

$2.45

Reel

$2.14

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: $4.22
6,783In 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

6,783In Stock

Cut Tape

$4.22

$3.17

$2.90

$2.61

Reel

$2.28

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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and 4 Address pins in TSSOP28 package

PCA9575PW2,118
NXP Semiconductors
1: $4.16
9,408In Stock

Mfr. Part No.
PCA9575PW2,118

Mouser Part No
771-PCA9575PW2,118

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and 4 Address pins in TSSOP28 package

Datasheet

9,408In Stock

Cut Tape

$4.16

$3.11

$2.86

$2.57

Reel

$2.22

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

TSSOP-28

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

DS64BR111SQE/NOPB
Texas Instruments
1: $22.09
454In Stock

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

454In Stock

Cut Tape

$22.09

$17.49

$16.35

$15.14

Reel

$15.12

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Signal Buffers, Repeaters

Repeaters

I2C, SMBus

SMD/SMT

WQFN-24

Interface - Signal Buffers, Repeaters I2C Bus Extender

P82B715P
Texas Instruments
1: $5.29
412In Stock

Mfr. Part No.
P82B715P

Mouser Part No
595-P82B715P

Texas Instruments

Interface - Signal Buffers, Repeaters I2C Bus Extender

Datasheet

412In Stock

$5.29

$4.00

$3.47

$3.28

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: $5.44
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

$5.44

$4.11

$3.77

$3.40

View

Reel

$2.99

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: $6.85
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

$6.85

$5.22

$4.43

$4.24

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: $4.45
85In Stock

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

Cut Tape

$4.45

$3.33

$3.05

$2.73

Reel

$2.34

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: $7.24
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

$7.24

$5.67

$4.81

$4.60

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: $6.69
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

$6.69

$5.10

$4.71

$4.24

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: $4.11
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

$4.11

$3.06

$2.80

$2.52

$2.38

Reel

$2.01

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 Rem 8B I2C & SMBus I /O Expander

PCA9554ARGVR
Texas Instruments
1: $3.89
95In Stock
2,500Expected 3/9/2026

Mfr. Part No.
PCA9554ARGVR

Mouser Part No
595-PCA9554ARGVR

Texas Instruments

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

Learn More

Datasheet

95In Stock

2,500Expected 3/9/2026

Cut Tape

$3.89

$2.91

$2.67

$2.39

Reel

$2.04

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

VQFN-16

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR

PCF8575CDW
Texas Instruments
1: $10.57
298In Stock

Mfr. Part No.
PCF8575CDW

Mouser Part No
595-PCF8575CDW

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR

Datasheet

298In Stock

$10.57

$8.45

$7.17

$6.87

View

Min.: 1
Mult.: 1

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

SOIC-24

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

PCF8575CPWR
Texas Instruments
1: $6.54
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

$6.54

$6.50

$6.00

$5.56

View

Reel

$4.91

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: $5.02
217In Stock
4,000Expected 26/8/2026

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

217In Stock

4,000Expected 26/8/2026

Cut Tape

$5.02

$3.78

$3.47

$3.13

Reel

$2.69

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: $3.58
106In Stock
10,000Expected 8/10/2026

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 8/10/2026

Cut Tape

$3.58

$2.67

$2.43

$2.18

Reel

$1.88

View

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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package

PCA6408ABSHP
NXP Semiconductors
1: $1.89
1,608In Stock
6,000Expected 14/10/2026

Mfr. Part No.
PCA6408ABSHP

Mouser Part No
771-PCA6408ABSHP

NXP Semiconductors

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

Learn More

Datasheet

1,608In Stock

6,000Expected 14/10/2026

Cut Tape

$1.89

$1.37

$1.24

$1.10

View

Reel

$0.895

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

HVQFN-16

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

PCA6408AHKX
NXP Semiconductors
1: $1.66
8In Stock
132,000On Order

Mfr. Part No.
PCA6408AHKX

Mouser Part No
771-PCA6408AHKX

NXP Semiconductors

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

Learn More

Datasheet

8In Stock

132,000On Order

Cut Tape

$1.66

$1.20

$1.09

$0.96

View

Reel

$0.782

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

I/O Expanders

I/O Expander

I2C, Serial, SMBus

SMD/SMT

XQFN-16

Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand

ADP5587ACPZ-R7
Analog Devices
1: $5.17
137In Stock
1,500Expected 18/2/2027

Mfr. Part No.
ADP5587ACPZ-R7

Mouser Part No
584-ADP5587ACPZ-R7

Analog Devices

Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand

Datasheet

137In Stock

1,500Expected 18/2/2027

Cut Tape

$5.17

$3.90

$3.59

$3.24

View

Reel

$2.80

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

I/O Expanders

I2C, Serial

SMD/SMT

LFCSP-24

Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs

LTC4300A-1CMS8#PBF
Analog Devices
1: $8.85
321In Stock
600Expected 21/9/2026

Mfr. Part No.
LTC4300A-1CMS8#PBF

Mouser Part No
584-C4300A-1CMS8PBF

Analog Devices

Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs

Datasheet

321In Stock

600Expected 21/9/2026

$8.85

$6.80

$6.04

$5.70

View

Min.: 1
Mult.: 1
Max.: 921

Signal Buffers, Repeaters

Buffers

Hot Swappable

2-Wire, I2C, SMBus

SMD/SMT

MSOP-8

Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs

LTC4300A-2IMS8#PBF
Analog Devices
1: $11.12
90In Stock
220On Order

Mfr. Part No.
LTC4300A-2IMS8#PBF

Mouser Part No
584-C4300A-2IMS8PBF

Analog Devices

Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs

Datasheet

90In Stock

220On Order

$11.12

$8.58

$7.94

$7.24

$6.70

Min.: 1
Mult.: 1
Max.: 310

Signal Buffers, Repeaters

Buffers

Hot Swappable

2-Wire, I2C, SMBus

SMD/SMT

MSOP-8

Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus

LTC4300A-3CMS8#PBF
Analog Devices
1: $8.85
104In Stock

Mfr. Part No.
LTC4300A-3CMS8#PBF

Mouser Part No
584-C4300A-3CMS8PBF

Analog Devices

Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus

Datasheet

104In Stock

$8.85

$6.80

$6.04

$5.70

Min.: 1
Mult.: 1
Max.: 104

Signal Buffers, Repeaters

Buffers

Hot Swappable

2-Wire, I2C, SMBus

SMD/SMT

MSOP-8

400 kHz Interface ICs

Types of Interface ICs

Customer Service Office

Company

Resources

Support

2-Wire Bus
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

CSBGA-49
DFN-12
DFN-8
DSBGA-25
FCBGA-196
HVQFN-16
HVQFN-24
HVSON-8
HWQFN-24
HWSON-8
LFCSP-24
MSOP-12
MSOP-8
NFBGA-354
PDIP-8
QFN-20
QFN-24
QFN-28
QFN-46
QSOP-16