Interface - I/O Expanders from Texas Instruments : 211 - Page 6

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.
PCF8574ADWR

WS Part No.
026493-PCF8574ADWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

17,890 pieces In Stock

MOQ: 45

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.
PCA9557DGVR

WS Part No.
1236081-PCA9557DGVR

Texas Instruments

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

10,500 pieces In Stock

MOQ: 26

rohs

Mfr. Part No.
PCA9555RGER

WS Part No.
026487-PCA9555RGER

Texas Instruments

IC I/O EXPANDER I2C 16B 24VQFN
Datasheet

7,250 pieces In Stock

MOQ: 19

rohs

Mfr. Part No.
PCA9555DBR

WS Part No.
026485-PCA9555DBR

Texas Instruments

I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin SSOP T/R / IC I/O EXPANDER I2C 16B 24SSOP
Datasheet

76,330 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCA9555DB

WS Part No.
081258-PCA9555DB

Texas Instruments

IC I/O EXPANDER I2C 16B 24SSOP

80,260 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCA9554PWR

WS Part No.
653373-PCA9554PWR

Texas Instruments

IC XPND 400KHZ I2C SMBUS 16TSSOP / I/O Expander 8 I2C, SMBus 400 kHz 16-TSSOP

5,804 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
PCA9554DGVR

WS Part No.
1236059-PCA9554DGVR

Texas Instruments

REMOTE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
Datasheet

Low Stock
Available

MOQ: 10

rohs

Mfr. Part No.
PCA9554ADBR

WS Part No.
026481-PCA9554ADBR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SSOP
Datasheet

3,600 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCA9539PWR

WS Part No.
026470-PCA9539PWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

10,840 pieces In Stock

MOQ: 23

rohs

Mfr. Part No.
PCA9539PW

WS Part No.
082056-PCA9539PW

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP

12,450 pieces In Stock

MOQ: 55

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

2,000 pieces In Stock

MOQ: 12

rohs

Mfr. Part No.
PCA9539DB

WS Part No.
653286-PCA9539DB

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 24SSOP

4,733 pieces In Stock

MOQ: 21

rohs

Mfr. Part No.
PCA9538DWR

WS Part No.
345189-PCA9538D

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

8,110 pieces In Stock

MOQ: 9

rohs

Mfr. Part No.
PCA9535RGER

WS Part No.
026463-PCA9535RGER

Texas Instruments

IC I/O EXPANDER I2C 16B 24VQFN
Datasheet

2,830 pieces In Stock

MOQ: 19

rohs

Mfr. Part No.
PCA9535DWR

WS Part No.
144775-PCA9535DWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24SOIC
Datasheet

39 pieces In Stock

MOQ: 8

rohs

Mfr. Part No.
PCA9534DBR

WS Part No.
134534-PCA9534DBR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SSOP
Datasheet

1,956 pieces In Stock

MOQ: 13

rohs

Mfr. Part No.
PCA9557RGYR

WS Part No.
026490-PCA9557RGYR

Texas Instruments

IC I/O EXPANDER I2C 8B 16QFN
Datasheet

2,806 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
TCA6416APWR

WS Part No.
031985-TCA6416APWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

22,000 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCA9536D

WS Part No.
082054-PCA9536D

Texas Instruments

I2C/SMBus Interface 100kHz/400kHz 5.5V 8-Pin SOIC Tube / IC I/O EXPANDER I2C 4B 8SOIC

52,786 pieces In Stock

MOQ: 85

rohs