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Interface - I/O Expanders from Texas Instruments : 211 - Page 1

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.
TCA6408ARSVR

WS Part No.
031983-TCA6408ARSVR

Texas Instruments

IC I/O EXPANDER I2C 8B 16QFN
Datasheet

14,380 pieces In Stock

MOQ: 8

rohs

Mfr. Part No.
TCA9538DBR

WS Part No.
1265522-TCA9538DBR

Texas Instruments

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

20,000 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCA9534RGVRG4

WS Part No.
061207-PCA9534RGVRG4

Texas Instruments

IC I/O EXPANDER I2C 8B 16QFN
Datasheet

2,500 pieces In Stock

MOQ: 35

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: 30

rohs

Mfr. Part No.
TCA9539QPWRQ1

WS Part No.
844251-TCA9539QPWRQ1

Texas Instruments

IC I/O EXPANDER I2C 16BIT 24TSSO

15,071 pieces In Stock

MOQ: 11

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.
PCF8574RGTR

WS Part No.
026499-PCF8574RGTR

Texas Instruments

IC I/O EXPANDER I2C 8B 16VQFN
Datasheet

12,999 pieces In Stock

MOQ: 25

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.
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.
PCA9555PWR

WS Part No.
026486-PCA9555PWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

50,000 pieces In Stock

MOQ: 65

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.
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.
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.
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.
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.
PCA9539RGER

WS Part No.
061212-PCA9539RGER

Texas Instruments

IC I/O EXPANDER I2C 16B 24VQFN
Datasheet

8,080 pieces In Stock

MOQ: 17

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: 25

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: 7

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
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