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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: £2.23
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

£2.23

£1.66

£1.52

£1.37

Reel

£1.13

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: £1.69
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

£1.69

£1.31

£1.15

£1.04

Reel

£0.908

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: £1.58
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

£1.58

£1.17

£1.07

£0.952

Reel

£0.818

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: £2.19
4,443In 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

4,443In Stock

7,000Expected 14/09/2026

Cut Tape

£2.19

£1.63

£1.50

£1.35

Reel

£1.18

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: £2.33
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

£2.33

£1.75

£1.60

£1.44

Reel

£1.26

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: £2.30
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

£2.30

£1.72

£1.58

£1.42

Reel

£1.22

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: £12.20
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

£12.20

£9.66

£9.03

£8.35

Reel

£8.35

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: £2.92
412In Stock

Mfr. Part No.
P82B715P

Mouser Part No
595-P82B715P

Texas Instruments

Interface - Signal Buffers, Repeaters I2C Bus Extender

Datasheet

412In Stock

£2.92

£2.21

£1.91

£1.81

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: £3.00
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

£3.00

£2.27

£2.08

£1.88

View

Reel

£1.65

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: £3.78
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

£3.78

£2.88

£2.44

£2.34

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: £2.45
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

£2.45

£1.84

£1.68

£1.51

Reel

£1.29

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: £4.00
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

£4.00

£3.13

£2.65

£2.54

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: £3.69
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

£3.69

£2.82

£2.60

£2.34

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: £2.27
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

£2.27

£1.69

£1.55

£1.39

£1.32

Reel

£1.11

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: £2.15
95In Stock
2,500Expected 03/09/2026

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 03/09/2026

Cut Tape

£2.15

£1.61

£1.48

£1.32

Reel

£1.13

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: £5.83
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

£5.83

£4.66

£3.95

£3.79

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: £3.61
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

£3.61

£3.59

£3.31

£3.07

View

Reel

£2.71

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: £2.77
217In Stock
4,000Expected 26/08/2026

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 26/08/2026

Cut Tape

£2.77

£2.09

£1.91

£1.73

Reel

£1.48

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: £1.97
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

£1.97

£1.48

£1.34

£1.20

Reel

£1.04

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: £1.05
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

£1.05

£0.759

£0.686

£0.608

View

Reel

£0.494

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: £0.917
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

£0.917

£0.663

£0.599

£0.53

View

Reel

£0.432

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: £2.85
137In Stock
1,500Expected 18/02/2027

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 18/02/2027

Cut Tape

£2.85

£2.16

£1.98

£1.79

View

Reel

£1.55

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: £4.89
321In Stock
600Expected 21/09/2026

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 21/09/2026

£4.89

£3.75

£3.33

£3.14

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: £6.14
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

£6.14

£4.74

£4.38

£4.00

£3.70

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: £4.89
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

£4.89

£3.75

£3.33

£3.14

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