JAK Electronics

Interface - I/O Expanders

Integrated Circuits (ICs) - Interface - I/O Expanders are electronic devices that provide additional input/output (I/O) ports to a microcontroller or microprocessor. These expanders are designed to increase the number of available I/O pins, allowing for the connection of more peripheral devices or sensors. I/O expanders are commonly used in applications where the number of I/O pins on the main microcontroller is limited, or when there is a need for additional I/O ports. They are particularly useful in embedded systems, robotics, automation, and other electronic projects that require multiple I/O connections. These ICs typically come in a small package, making them easy to integrate into circuit boards or systems. They can be connected to the microcontroller through various communication interfaces such as I2C, SPI, or parallel bus. The communication protocol used depends on the specific IC model and the requirements of the application. I/O expanders offer a range of features and capabilities, including bidirectional I/O ports, interrupt capabilities, and programmable input/output configurations. Some models also provide additional features like PWM (Pulse Width Modulation) outputs, analog-to-digital converters (ADCs), or voltage level translation. The main advantage of using I/O expanders is their ability to save space and reduce the complexity of the overall system design. By using these devices, designers can avoid the need for complex wiring or the use of multiple microcontrollers to handle the required number of I/O connections. In summary, Integrated Circuits (ICs) - Interface - I/O Expanders are versatile devices that provide additional I/O ports to microcontrollers or microprocessors. They are commonly used in applications where the number of available I/O pins is limited, allowing for the connection of more peripheral devices or sensors. These expanders offer various features and can be easily integrated into circuit boards or systems, making them a valuable tool for electronic projects.
1,446 Products Found
CAT9555HT6I-GT2

ON Semiconductor

-
In Stock: 135
JLC1562BFELG

ON Semiconductor

-
In Stock: 2
TCA9554ADWT

Texas Instruments

$2 . 74266 (for 1K)
In Stock: 39850
PCA9557D,118

NXP USA Inc.

-
In Stock: 5000
PCA9670PW,118

NXP USA Inc.

$2 . 94294 (for 1K)
In Stock: 2235
PCA9674APW,118

NXP USA Inc.

$3 . 887265 (for 1K)
In Stock: 600
PCA8575DB,118

NXP USA Inc.

$4 . 553805 (for 1K)
In Stock: 11800
PCA9539BSHP

NXP USA Inc.

$2 . 092185 (for 1K)
In Stock: 48
PI4IOE5V6408ZTAEX

Diodes Incorporated

$0 . 809565 (for 1K)
In Stock: 61485
MCP25025T-I/SL

Microchip Technology

$5 . 760675 (for 1K)
In Stock: 10000
PCF8575CDBE4

Texas Instruments

$9 . 704625 (for 1K)
In Stock: 292
MCP25020T-E/SL

Microchip Technology

$6 . 08376 (for 1K)
In Stock: 12
MCP25050T-E/SL

Microchip Technology

$8 . 06853 (for 1K)
In Stock: 20
CY8C9540A-24PVXIT

Cypress Semiconductor Corp

$17 . 147025 (for 1K)
In Stock: 3000
PCA8575BS,118

NXP USA Inc.

$6 . 400815 (for 1K)
In Stock: 3
PCA9535APW,118

NXP USA Inc.

$2 . 83782 (for 1K)
In Stock: 5
TCA6416RTWT

Texas Instruments

$3 . 844005 (for 1K)
In Stock: 5000
PCF8575DB

Texas Instruments

$4 . 172655 (for 1K)
In Stock: 3250
PI4IOE5V9555LE

Diodes Incorporated

$2 . 08986 (for 1K)
In Stock: 51
CAT9554WI-GT2

ON Semiconductor

-
In Stock: 30
... 181920 ... 50

Popular Suppliers

© 2026 JAK ELECTRONICS LIMITED All Rights Reserved