Interface - I/O Expanders : 973 - Page 8

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.
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

2,000 pieces In Stock

MOQ: 13

rohs

Mfr. Part No.
PCA9557D,118

WS Part No.
791498-PCA9557D,118

NXP / Nexperia

IC I/O EXPANDER I2C 8B 16SOIC / I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin SO T/R
Datasheet

4,800 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCAL6408ABSHP

WS Part No.
852448-PCAL6408ABSHP

NXP / Nexperia

IC I/O EXPANDER 8BIT I2C 16HVQFN
Datasheet

23,835 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PI4IOE5V6408ZTAEX

WS Part No.
852667-PI4IOE5V6408ZTAEX

Diodes Incorporated

INTERFACE IO EXPANDER U-QFN2618-
Datasheet

52,975 pieces In Stock

MOQ: 70

rohs

Mfr. Part No.
PCA9538PW/Q900,118

WS Part No.
888707-PCA9538PW/Q900,118

NXP / Nexperia

IC I2C BUS/SMBUS 8BIT 16TSSOP
Datasheet

10,000 pieces In Stock

MOQ: 15

rohs

Mfr. Part No.
PCAL6408AHKX

WS Part No.
888730-PCAL6408AHKX

NXP / Nexperia

IC I/O EXPANDER 8BIT I2C 16XQFN
Datasheet

8,000 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PI4IOE5V9537UEX

WS Part No.
889161-PI4IOE5V9537UEX

Diodes Incorporated

IC XPNDR 1MHZ I2C 8MSOP / I/O Expander I2C 1 MHz 8-MSOP-EP
Datasheet

50,000 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
MCP23S09-E/MG

WS Part No.
926634-MCP23S09-E/MG

Microchip Technology

IC I/O EXPANDER SPI 8B 16QFN

13,982 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCA9670PW,118

WS Part No.
1084254-PCA9670PW,118

NXP / Nexperia

IC I/O EXPANDER I2C 8B 16TSSOP / I/O Expander 8 I²C 1 MHz 16-TSSOP
Datasheet

2,820 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
PCA9554PW,112

WS Part No.

NXP / Nexperia

Interface - I/O Expanders I2C I/O EXPANDER GP
Datasheet

39,920 pieces In Stock

MOQ: 25

rohs

Mfr. Part No.
PI4IOE5V9555ZDEX

WS Part No.
1261067-PI4IOE5V9555ZDEX

Diodes Incorporated

IC I/O EXPANDER 16B I2C 24TQFN / I/O Expander 16 I²C 400 kHz 24-TQFN (4x4)
Datasheet

7,000 pieces In Stock

MOQ: 17

rohs

Mfr. Part No.
PCA9535HF,118

WS Part No.
1261063-PCA9535HF,118

NXP / Nexperia

IC I/O EXPANDER I2C 16B 24HWQFN / I/O Expander 16 I²C, SMBus 400 kHz 24-HWQFN (4x4)
Datasheet

6,000 pieces In Stock

MOQ: 13

rohs

Mfr. Part No.
PI4IOE5V9539LEX

WS Part No.
1261068-PI4IOE5V9539LEX

Diodes Incorporated

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

31,140 pieces In Stock

MOQ: 21

rohs

Mfr. Part No.
MCP23018T-E/MJ

WS Part No.
1261066-MCP23018T-E/MJ

Microchip Technology

IC I/O EXPANDER I2C 16B 24QFN / I/O Expander 16 I²C 3.4 MHz 24-QFN (4x4)

23,040 pieces In Stock

MOQ: 17

rohs

Mfr. Part No.
PCA9537DPZ

WS Part No.
1350344-PCA9537DPZ

NXP / Nexperia

IC XPND 400KHZ I2C SMBUS 10TSSOP / I/O Expander 4 I²C, SMBus 400 kHz 10-TSSOP

5,303 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PI4IOE5V6416Q2LEX

WS Part No.
1355660-PI4IOE5V6416Q2LEX

Diodes Incorporated

IC XPNDR 400KHZ I2C 24TSSOP / I/O Expander 16 I²C 400 kHz 24-TSSOP
Datasheet

3,658 pieces In Stock

MOQ: 13

rohs

Mfr. Part No.
PCA9535AHF,128

WS Part No.
1370765-PCA9535AHF,128

NXP / Nexperia

IC XPND 400KHZ I2C SMBUS 24HWQFN
Datasheet

18,000 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCA9539PW/Q900,118

WS Part No.
1370775-PCA9539PW/Q900,118

NXP / Nexperia

IC XPND 400KHZ I2C SMBUS 24TSSOP
Datasheet

1,430 pieces In Stock

MOQ: 10

rohs

Mfr. Part No.
PCAL9538ABSHP

WS Part No.
1498550-PCAL9538ABSHP

NXP / Nexperia

IC EXPANDER GPIO 8BIT 16HVQFN

4,004 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCA9536D,118

WS Part No.
1498542-PCA9536D,118

NXP / Nexperia

IC XPNDR 400KHZ I2C SMBUS 8SO
Datasheet

48,560 pieces In Stock

MOQ: 60

rohs