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Interface - I/O Expanders : 825 Products

Interface - I/O Expanders provide a practical solution for expanding the number of input/output ports available in a microcontroller or microprocessor system. These components enable designers to add more peripherals without the need for additional processing units, thus simplifying circuit design and reducing overall costs.

I/O Expanders, from top manufacturers like Microchip Technology and NXP Semiconductors, come in various types such as SPI, I2C, and GPIO expanders. These devices allow seamless integration with existing systems, enabling efficient control of multiple devices including sensors, displays, and actuators.

Utilizing I/O Expanders increases the versatility and functionality of electronic systems, making them an indispensable component in modern embedded systems design, robotics, and industrial automation.

Select Images Part Number Mfr Description Datasheet Availability Price Qty RFQ Rohs ECAD Model

Mfr. Part No.
PCA8575BS

WS Part No.
1235856-PCA8575BS

NXP

Remote 16-bit I/O expander for I2C-bus with interrupt

86,800 pieces In Stock

MOQ:16

rohs

Mfr. Part No.
TCA9535DBT

WS Part No.
1106309-TCA9535DBT

Texas Instruments

REMOTE 16-BIT I2C REGISTERS
Datasheet

59,947 pieces In Stock

MOQ:21

rohs

Mfr. Part No.
TCA6416PWT

WS Part No.
1106301-TCA6416PWT

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

9,984 pieces In Stock

MOQ:20

rohs

Mfr. Part No.
TCA6424RGJR

WS Part No.
031988-TCA6424RGJR

Texas Instruments

IC I/O EXPANDER I2C 24B 32QFN
Datasheet

2,095 pieces In Stock

MOQ:1

rohs

Mfr. Part No.
CY8C9560A-24AXI

WS Part No.
000449-CY8C9560A-24AXI

Cypress Semiconductor Corp

IC I/O EXPANDER I2C 60B 100LQFP
Datasheet

600 pieces In Stock

MOQ:2

rohs

Mfr. Part No.
MCP23S08T-E/SS

WS Part No.
089328-MCP23S08T-E/SS

Microchip Technology

SPI Interface 10000kHz 5.5V 20-Pin SSOP T/R / IC I/O EXPANDER SPI 8B 20SSOP
Datasheet

11,020 pieces In Stock

MOQ:18

rohs

Mfr. Part No.
MCP23008T-E/SS

WS Part No.
091221-MCP23008T-E/SS

Microchip Technology

IC I/O EXPANDER 8BIT I2C 20-SSOP
Datasheet

49,895 pieces In Stock

MOQ:20

rohs

Mfr. Part No.
PCA9534ARGVR

WS Part No.
026458-PCA9534ARGVR

Texas Instruments

IC I/O EXPANDER I2C 8B 16QFN
Datasheet

9,900 pieces In Stock

MOQ:55

rohs

Mfr. Part No.
PCA9557DR

WS Part No.
026488-PCA9557DR

Texas Instruments

I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R / IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

18,300 pieces In Stock

MOQ:45

rohs

Mfr. Part No.
PCA9554ABS,118

WS Part No.
138389-PCA9554ABS,118

NXP

IC I/O EXPANDER I2C 8B 16HVQFN
Datasheet

21,000 pieces In Stock

MOQ:19

rohs

Mfr. Part No.
PCA9539PWR

WS Part No.
026470-PCA9539PWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

5,300 pieces In Stock

MOQ:14

rohs

Mfr. Part No.
PCA9536DR

WS Part No.
026466-PCA9536DR

Texas Instruments

IC I/O EXPANDER I2C 4B 8SOIC
Datasheet

2,245 pieces In Stock

MOQ:60

rohs

Mfr. Part No.
PCF8574RGTR

WS Part No.
026499-PCF8574RGTR

Texas Instruments

IC I/O EXPANDER I2C 8B 16VQFN
Datasheet

7,850 pieces In Stock

MOQ:22

rohs

Mfr. Part No.
PCA9671BS,118

WS Part No.
124333-PCA9671BS,118

NXP

IC I/O EXPANDER I2C 16B 24HVQFN
Datasheet

6,000 pieces In Stock

MOQ:35

rohs

Mfr. Part No.
PCF8574APWR

WS Part No.
026495-PCF8574APWR

Texas Instruments

IC I/O EXPANDER I2C 8B 20TSSOP
Datasheet

15,000 pieces In Stock

MOQ:35

rohs

Mfr. Part No.
PCAL6524HEAZ

WS Part No.
1261062-PCAL6524HEAZ

NXP

IC EXPANDER 24B 32HUQFN / I/O Expander 24 I²C 1 MHz 32-HUQFN (5x5)
Datasheet

5,996 pieces In Stock

MOQ:12

rohs

Mfr. Part No.
MCP23018T-E/SO

WS Part No.
1261065-MCP23018T-E/SO

Microchip Technology

IC I/O EXPANDER I2C 16B 28SOIC / I/O Expander 16 I²C 3.4 MHz 28-SOIC
Datasheet

1,400 pieces In Stock

MOQ:9

Mfr. Part No.
PCA9701PW

WS Part No.
930096-PCA9701PW

Freescale Semiconductor - NXP

IC XPNDR 5MHZ SPI SERIAL 24TSSOP
Datasheet

2,000 pieces In Stock

MOQ:23

Mfr. Part No.
PCAL9555APW,118

WS Part No.
791517-PCAL9555APW,118

NXP

IC GPIO EXPANDER 24TSSOP / I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin TSSOP T/R
Datasheet

2,500 pieces In Stock

MOQ:4

rohs

Mfr. Part No.
PCA9555D,118

WS Part No.
809182-PCA9555D,118

NXP

IC I/O EXPANDER I2C 16B 24SOIC

4,210 pieces In Stock

MOQ:30

rohs

Mfr. Part No.
TCA9534ADWR

WS Part No.
807118-TCA9534ADWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC / Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander with Interrupt Output and Configuration Registers

1,500 pieces In Stock

MOQ:7

rohs

Mfr. Part No.
MCP23S08-E/ML

WS Part No.
788291-MCP23S08-E/ML

Microchip Technology

SPI Interface 10000kHz 5.5V 20-Pin QFN EP Tube / IC I/O EXPANDER SPI 8B 20QFN
Datasheet

2,148 pieces In Stock

MOQ:50

rohs

Mfr. Part No.
MAX7318AUG+

WS Part No.
786958-MAX7318AUG+

Maxim Integrated

I2C Interface 400kHz 5.5V Automotive 24-Pin TSSOP / IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

6,000 pieces In Stock

MOQ:8

rohs

Mfr. Part No.
TCA9554DBQR

WS Part No.
899261-TCA9554DBQR

Texas Instruments

IC I/O EXPANDER I2C 8BIT 16TSSOP
Datasheet

4,760 pieces In Stock

MOQ:12

rohs

Mfr. Part No.
TCA9535DBR

WS Part No.
899258-TCA9535DBR

Texas Instruments

IC I/O EXPANDER 16B 24SSOP
Datasheet

59,887 pieces In Stock

MOQ:12

rohs

Mfr. Part No.
PCA9554ABS3

WS Part No.
833470-PCA9554ABS3

NXP

8-bit I2C-bus and SMBus I/O port with interrupt

1,265 pieces In Stock

MOQ:7

rohs

Mfr. Part No.
PCA9555DB,118

WS Part No.
843538-PCA9555DB,118

NXP

IC XPNDR 400KHZ I2C SMBUS 24SSOP
Datasheet

1,955 pieces In Stock

MOQ:23

rohs

Mfr. Part No.
PI4IOE5V6408ZTAEX

WS Part No.
852667-PI4IOE5V6408ZTAEX

Diodes Incorporated

INTERFACE IO EXPANDER U-QFN2618-
Datasheet

10,000 pieces In Stock

MOQ:14

rohs

Mfr. Part No.
MAX7318ATG+

WS Part No.
882387-MAX7318ATG+

Maxim Integrated

IC I/O EXPANDER I2C 16B 24TQFN
Datasheet

1,500 pieces In Stock

MOQ:9

rohs

Mfr. Part No.
MCP23018-E/SS

WS Part No.
884145-MCP23018-E/SS

Microchip Technology

IC I/O EXPANDER I2C 16B 24SSOP
Datasheet

3,403 pieces In Stock

MOQ:4

rohs

Mfr. Part No.
PCAL6416APW,118

WS Part No.
852318-PCAL6416APW,118

NXP

IC XPND 400KHZ I2C SMBUS 24TSSOP / I/O Expander 16 I2C, SMBus 400 kHz 24-TSSOP
Datasheet

18,428 pieces In Stock

MOQ:13

rohs

Mfr. Part No.
MCP23S18T-E/MJ

WS Part No.
884147-MCP23S18T-E/MJ

Microchip Technology

IC I/O EXPANDER SPI 16B 24QFN
Datasheet

36,495 pieces In Stock

MOQ:15

rohs

Mfr. Part No.
TCA9534APWR

WS Part No.
849173-TCA9534APWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet

398,000 pieces In Stock

MOQ:85

rohs

Mfr. Part No.
PCA9554BS3,118

WS Part No.
843537-PCA9554BS3,118

NXP

IC XPND 400KHZ I2C SMBUS 16HVQFN / I/O Expander 8 I2C, SMBus 400 kHz 16-HVQFN (3x3)
Datasheet

7,000 pieces In Stock

MOQ:7

rohs

Mfr. Part No.
MAX7311ATG+

WS Part No.
786955-MAX7311ATG+

Maxim Integrated

I2C/SMBus Interface 400kHz 5.5V Automotive 24-Pin TQFN EP / IC I/O EXPANDER I2C 16B 24TQFN
Datasheet

3,800 pieces In Stock

MOQ:2

rohs

Mfr. Part No.
PCA9501BS,118

WS Part No.
791474-PCA9501BS,118

NXP

IC I/O EXPANDER I2C 8B 20HVQFN / I2C/SMBus Interface 400kHz 3.6V 20-Pin HVQFN EP T/R
Datasheet

7,400 pieces In Stock

MOQ:18

rohs

Mfr. Part No.
PCA9506DGG,518

WS Part No.
791475-PCA9506DGG,518

NXP

IC I/O EXPANDER I2C 40B 56TSSOP / I2C Interface 100kHz/400kHz 5.5V 56-Pin TSSOP T/R
Datasheet

8,000 pieces In Stock

MOQ:5

rohs

Mfr. Part No.
PCA9539DBR

WS Part No.
791485-PCA9539DBR

Texas Instruments

IC I/O EXPANDER I2C 16B 24SSOP / I2C/SMBus Interface 400kHz 5.5V 24-Pin SSOP T/R
Datasheet

4,733 pieces In Stock

MOQ:4

rohs

Mfr. Part No.
PCA9554BPWJ

WS Part No.
791496-PCA9554BPWJ

NXP

IC GPIO EXPANDER 16TSSOP / I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R
Datasheet

3,300 pieces In Stock

MOQ:18

rohs

Mfr. Part No.
XRA1200IG16TR-F

WS Part No.
806080-XRA1200IG16TR-F

Exar Corporation

IC I/O PORT EXPANDER 8 BIT I2C G / 8-BIT I2C/SMBUS GPIO EXPANDER

14,984 pieces In Stock

MOQ:6

rohs

Mfr. Part No.
MAX7310AUE+

WS Part No.
813806-MAX7310AUE+

Maxim Integrated

IC I/O EXPANDER I2C 8B 16TSSOP

2,204 pieces In Stock

MOQ:6

rohs

Mfr. Part No.
XRA1403IG24-F

WS Part No.
802105-XRA1403IG24-F

Exar Corporation

IC I/O EXPANDER SPI 16B 24TSSOP / 16-BIT SPI GPIO EXPANDER WITH RESET INPUT

15,784 pieces In Stock

MOQ:6

rohs

Mfr. Part No.
TCA9538PWR

WS Part No.
813266-TCA9538PWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP / Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander

50,953 pieces In Stock

MOQ:40

rohs

Mfr. Part No.
PCA8575DB,118

WS Part No.
1004008-PCA8575DB,118

NXP

IC I/O EXPANDER I2C 16B 24SSOP / I/O Expander 16 I²C 400 kHz 24-SSOP
Datasheet

12,000 pieces In Stock

MOQ:12

rohs

Mfr. Part No.
MCP23S08T-E/ML

WS Part No.
1261064-MCP23S08T-E/ML

Microchip Technology

IC I/O EXPANDER SPI 8B 20QFN / I/O Expander 8 SPI 10 MHz 20-QFN (4x4)
Datasheet

5,000 pieces In Stock

MOQ:8

rohs

Mfr. Part No.
PCA9670D,518

WS Part No.
127562-PCA9670D,518

NXP

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

127 pieces In Stock

MOQ:3

rohs

Mfr. Part No.
PCA9575HF,118

WS Part No.
126671-PCA9575HF,118

NXP

IC I/O EXPANDER I2C 16B 24HWQFN
Datasheet

34,000 pieces In Stock

MOQ:15

rohs

Mfr. Part No.
PCA9575PW1,118

WS Part No.
129873-PCA9575PW1,118

NXP

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

4,064 pieces In Stock

MOQ:18

rohs

Mfr. Part No.
PCA9672BS

WS Part No.
090652-PCA9672BS

NXP

IC I/O EXPANDER 8BIT 16-HVQFN
Datasheet

29,896 pieces In Stock

MOQ:18

rohs

Mfr. Part No.
PCA9672BS,118

WS Part No.
126229-PCA9672BS,118

NXP

IC I/O EXPANDER 8BIT 16-HVQFN
Datasheet

29,896 pieces In Stock

MOQ:18

rohs