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Interface - I/O Expanders from Texas Instruments : 211 - Page 3

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.
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: 30

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: 85

rohs

Mfr. Part No.
LM8335TLE/NOPB

WS Part No.
1055049-LM8335TLE/NOPB

Texas Instruments

IC GPIO EXPANDER 16DSBGA
Datasheet

6,500 pieces In Stock

MOQ: 9

rohs

Mfr. Part No.
PCA9534PWR

WS Part No.
026459-PCA9534PWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet

10,150 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
PCA9539DGVR

WS Part No.
791486-PCA9539DGVR

Texas Instruments

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

Low Stock
Available

MOQ: 12

rohs

Mfr. Part No.
PCF8574APWR

WS Part No.
026495-PCF8574APWR

Texas Instruments

IC I/O EXPANDER I2C 8B 20TSSOP
Datasheet

15,689 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCA9555PWR

WS Part No.
026486-PCA9555PWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

50,000 pieces In Stock

MOQ: 70

rohs

Mfr. Part No.
PCA9554ARGTR

WS Part No.
1236054-PCA9554ARGTR

Texas Instruments

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

18,300 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PCF8575DBR

WS Part No.
026503-PCF8575DBR

Texas Instruments

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

8,000 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PCF8574DGVR

WS Part No.
1236230-PCF8574DGVR

Texas Instruments

REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
Datasheet

90 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCF8574ADWR

WS Part No.
026493-PCF8574ADWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

6,300 pieces In Stock

MOQ: 40

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

10,850 pieces In Stock

MOQ: 50

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

7,900 pieces In Stock

MOQ: 13

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

4,080 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCA9555DWR

WS Part No.
1086826-PCA9555DWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24SOIC
Datasheet

60,000 pieces In Stock

MOQ: 12

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: 40

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: 22

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.
PCA9554ARGVR

WS Part No.
026483-PCA9554ARGVR

Texas Instruments

IC I/O EXPANDER I2C 8B 16VQFN
Datasheet

103,758 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

8,080 pieces In Stock

MOQ: 16

rohs
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