Interface - I/O Expanders : 916 - Page 21

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.
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.
PCA9555DGVR

WS Part No.
1236069-PCA9555DGVR

Texas Instruments

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

14,386 pieces In Stock

MOQ: 13

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.
DS4520E+TRL

WS Part No.
773318-DS4520E+TRL

Maxim Integrated

IC I/O EXPANDER I2C 9B 16TSSOP / I2C Interface 400kHz 5.5V 16-Pin TSSOP T/R
Datasheet

7,570 pieces In Stock

MOQ: 7

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.
MCP23S17-E/SP

WS Part No.
1221019-MCP23S17-E/SP

Microchip Technology

16-Bit I/O Expander with Serial Interface | IC I/O EXPANDER SPI 16B 28SDIP

9,368 pieces In Stock

MOQ: 18

rohs

Mfr. Part No.
MCP23016-I/ML

WS Part No.
044632-MCP23016-I/ML

Microchip Technology

I2C Interface 400kHz 5.5V 28-Pin QFN EP Tube / IC I/O EXPANDER I2C 16B 28QFN

1,330 pieces In Stock

MOQ: 10

rohs

Mfr. Part No.
MCP23009T-E/SS

WS Part No.
926633-MCP23009T-E/SS

Microchip Technology

IC I/O EXPANDER I2C 8B 20SSOP

8,340 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCAL6524HEHP

WS Part No.
1352049-PCAL6524HEHP

NXP / Nexperia

IC XPNDR 1MHZ I2C 32HUQFN / I/O Expander 24 I²C 1 MHz 32-HUQFN (5x5)

20,000 pieces In Stock

MOQ: 25

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.
TPT29539Q-TS5R-S

WS Part No.

3Peak

IC XPND I2C SMBUS 1MBPS 20-TSSOP
Datasheet

Low Stock
Available

MOQ: 120

rohs

Mfr. Part No.
PI4IOE5V96248ZLEX

WS Part No.
WS1201707-PI4IOE5V96248ZLEX

Diodes Incorporated

IC XPNDR 1MHZ I2C 56TQFN
Datasheet

7,223 pieces In Stock

MOQ: 10

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.
PI4IOE5V9554LE

WS Part No.
889164-PI4IOE5V9554LE

Diodes Incorporated

IC I/O EXPANDER 8-BIT 16TSSOP
Datasheet

90,000 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PI4IOE5V6416AQ2LEX

WS Part No.
WS1310169-PI4IOE5V6416AQ2LEX

Diodes Incorporated

IC XPNDR 400KHZ I2C 24TSSOP
Datasheet

23,698 pieces In Stock

MOQ: 12

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.
PI4IOE5V6534Q2ZLWEX

WS Part No.
WS1309820-PI4IOE5V6534Q2ZLWEX

Diodes Incorporated

IC XPNDR 100KHZ I2C 46QFN
Datasheet

7,000 pieces In Stock

MOQ: 9

rohs