Interface - I/O Expanders : 973 - Page 27

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.
MCP23008T-E/SO

WS Part No.
1221009-MCP23008T-E/SO

Microchip Technology

8-Bit I/O Expander with Serial Interface | IC I/O EXPANDER I2C 8B 18SOIC

6,726 pieces In Stock

MOQ: 19

rohs

Mfr. Part No.
PCA9555AHF,128

WS Part No.
1370770-PCA9555AHF,128

NXP / Nexperia

IC XPND 400KHZ I2C SMBUS 24HWQFN

35,060 pieces In Stock

MOQ: 17

rohs

Mfr. Part No.
PCA9539DWR

WS Part No.
812645-PCA9539DWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24SOIC / REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

880 pieces In Stock

MOQ: 17

rohs

Mfr. Part No.
PCA9539DW

WS Part No.

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 24SOIC

5,829 pieces In Stock

MOQ: 17

rohs

Mfr. Part No.
PCA9557PW/G+118

WS Part No.
345226-PCA9557PW/G+118

NXP / Nexperia

Low Stock
Available

MOQ: 70

rohs

Mfr. Part No.
PCA9557DBR

WS Part No.
1236080-PCA9557DBR

Texas Instruments

REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH RESET AND CONFIGURATION REGISTERS
Datasheet

9,000 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCA9534ADB

WS Part No.
269654-PCA9534ADB

Texas Instruments

IC I/O EXPANDER I2C 8B 16SSOP

24,000 pieces In Stock

MOQ: 14

rohs

Mfr. Part No.
MAX7314AEG+T

WS Part No.
1498513-MAX7314AEG+T

Maxim Integrated

IC XPNDR 400KHZ I2C 24QSOP
Datasheet

31 pieces In Stock

MOQ: 3

rohs

Mfr. Part No.
PI4IOE5V9536UEX

WS Part No.
851658-PI4IOE5V9536UEX

Diodes Incorporated

IC XPNDR 1MHZ SMBUS 8MSOP / I/O Expander 4 SMBus 1 MHz 8-MSOP
Datasheet

60,000 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PCF8575DBQRG4

WS Part No.
1236240-PCF8575DBQRG4

Texas Instruments

REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT
Datasheet

Low Stock
Available

MOQ: 20

rohs

Mfr. Part No.
PCA9535DGVR

WS Part No.
1235962-PCA9535DGVR

Texas Instruments

REMOTE 16-BIT I2C AND SMBus, LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
Datasheet

398 pieces In Stock

MOQ: 6

rohs

Mfr. Part No.
IMS82C55AZ

WS Part No.
1498510-IMS82C55AZ

Renesas Electronics America

IC XPNDR PARALLEL 44PLCC

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
PCA8574D,518

WS Part No.
1196471-PCA8574D,518

NXP / Nexperia

IC I/O EXPANDER I2C 8B 16SOIC / I/O Expander 8 I²C 400 kHz 16-SO
Datasheet

1,820 pieces In Stock

MOQ: 12

rohs

Mfr. Part No.
PCA8574D,512

WS Part No.
143922-PCA8574D,512

NXP / Nexperia

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

1,800 pieces In Stock

MOQ: 12

rohs

Mfr. Part No.
IS82C55AZ96

WS Part No.
1354673-IS82C55AZ96

Renesas Electronics America

IC XPNDR PARALLEL 44PLCC / I/O Expander 24 Parallel 44-PLCC (16.58x16.58)

40 pieces In Stock

MOQ: 1

rohs

Mfr. Part No.
PCF8574ATS/3

WS Part No.
1236229-PCF8574ATS/3

NXP / Nexperia

I2C Interface 100kHz 6V 20-Pin SSOP / Remote 8-bit I/O expander for I2C-bus with interrupt

3,900 pieces In Stock

MOQ: 8

rohs

Mfr. Part No.
PCF8574RGYRG4

WS Part No.
791541-PCF8574RGYRG4

Texas Instruments

IC I/O EXPANDER I2C 8B 20VQFN / I2C GPIO Expander 100kHz 6V 20-Pin VQFN EP T/R
Datasheet

12,430 pieces In Stock

MOQ: 12

rohs

Mfr. Part No.
CY8C9560A-24AXI

WS Part No.
000449-CY8C9560A-24AXI

Cypress Semiconductor Corp

IC I/O EXPANDER I2C 60B 100LQFP
Datasheet

1,344 pieces In Stock

MOQ: 4

rohs

Mfr. Part No.
CY8C9540A-24PVXIT

WS Part No.
1003891-CY8C9540A-24PVXIT

Cypress Semiconductor Corp

IC I/O EXPANDER I2C 40B 48SSOP / I/O Expander 40 I²C 100 kHz 48-SSOP
Datasheet

920 pieces In Stock

MOQ: 3

rohs

Mfr. Part No.
CS82C55A-5Z

WS Part No.
000280-CS82C55A-5Z

Intersil

IC I/O EXPANDER 24B 44PLCC
Datasheet

900 pieces In Stock

MOQ: 3

rohs