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.
PCA9536DGKRG4

WS Part No.
1235966-PCA9536DGKRG4

Texas Instruments

REMOTE 4-BIT I2C AND SMBus I/O EXPANDER WITH CONFIGURATION REGISTERS
Datasheet

34,290 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
PCA9557PWR

WS Part No.
026489-PCA9557PWR

Texas Instruments

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

47,370 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCA9557PWT

WS Part No.
1086835-PCA9557PWT

Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet

47,090 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCA9539RGER

WS Part No.
061212-PCA9539RGER

Texas Instruments

IC I/O EXPANDER I2C 16B 24VQFN
Datasheet

3,680 pieces In Stock

MOQ: 2

rohs

Mfr. Part No.
PCF8574PWRG4

WS Part No.
082062-PCF8574PWRG4

Texas Instruments

IC I/O EXPANDER I2C 8B 20TSSOP
Datasheet

13,500 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
PCF8574PWR

WS Part No.
026498-PCF8574PWR

Texas Instruments

IC I/O EXPANDER I2C 8B 20TSSOP
Datasheet

13,580 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
PCF8574PW

WS Part No.
130023-PCF8574PW

Texas Instruments

IC I/O EXPANDER I2C 8B 20TSSOP
Datasheet

15,000 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
TCA9555RGER

WS Part No.
749938-TCA9555RGER

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 24VQFN

9,428 pieces In Stock

MOQ: 7

rohs

Mfr. Part No.
PCA9538DGVR

WS Part No.
026468-PCA9538DGVR

Texas Instruments

IC I/O EXPANDER I2C 8B 16TVSOP
Datasheet

Low Stock
Available

MOQ: 110

rohs

Mfr. Part No.
TCA9535DBR

WS Part No.
899258-TCA9535DBR

Texas Instruments

IC I/O EXPANDER 16B 24SSOP

9,250 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
TCA9555DBT

WS Part No.
1106317-TCA9555DBT

Texas Instruments

EXPANDER REGISTERS
Datasheet

22,520 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
TCA9555DBR

WS Part No.
1265530-TCA9555DBR

Texas Instruments

Low-Voltage 16-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers | IC I/O EXPANDER 16B 24SSOP

24,000 pieces In Stock

MOQ: 70

rohs

Mfr. Part No.
TCA9554DBR

WS Part No.
806941-TCA9554DBR

Texas Instruments

IC SMBUS I/O EXPANDER I2C 16SSOP / Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output and Configuration Registers

12,608 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
TCA9554DBQR

WS Part No.
899261-TCA9554DBQR

Texas Instruments

IC I/O EXPANDER I2C 8BIT 16TSSOP

2,000 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
TCA9554ADBQR

WS Part No.
807053-TCA9554ADBQR

Texas Instruments

IC I/O EXPANDER I2C 8BIT 16TSSOP / Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output and Configuration Registers

29,215 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
TCA9539RTWR

WS Part No.
1265523-TCA9539RTWR

Texas Instruments

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

32,970 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
TCA9538DBR

WS Part No.
1265522-TCA9538DBR

Texas Instruments

Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander

18,440 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
TCA9536DGKR

WS Part No.
1261057-TCA9536DGKR

Texas Instruments

REMOTE 4-BIT IC AND SMBUS I/O EX / I/O Expander 4 I²C, SMBus 1 MHz 8-VSSOP
Datasheet

12,500 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
TCA9534DWR

WS Part No.
810606-TCA9534DWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16-SOIC / Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander with Interrupt Output and Configuration Registers

550 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
TCA6424RGJR

WS Part No.
031988-TCA6424RGJR

Texas Instruments

IC I/O EXPANDER I2C 24B 32QFN
Datasheet

8,800 pieces In Stock

MOQ: 8

rohs