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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.
PCA9555PW

WS Part No.
091230-PCA9555PW

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP / I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin TSSOP Tube

100,000 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
TCA9534DWT

WS Part No.
1106308-TCA9534DWT

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC

9,900 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCF8574PWRG4

WS Part No.
082062-PCF8574PWRG4

Texas Instruments

IC I/O EXPANDER I2C 8B 20TSSOP
Datasheet

14,210 pieces In Stock

MOQ: 75

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: 75

rohs

Mfr. Part No.
PCA9539DBQR

WS Part No.
142807-PCA9539DBQR

Texas Instruments

IC I/O EXPANDER I2C 16B 24QSOP
Datasheet

2,880 pieces In Stock

MOQ: 17

rohs

Mfr. Part No.
PCA9535PWG4

WS Part No.
719872-PCA9535PWG4

Texas Instruments

SMBus Low-Power I/O Expander | IC I/O EXPANDER I2C 16B 24TSSOP

9,460 pieces In Stock

MOQ: 50

rohs

Mfr. Part No.
PCA9535PWRG4

WS Part No.
1235964-PCA9535PWRG4

Texas Instruments

SMBus Low-Power I/O Expander
Datasheet

9,030 pieces In Stock

MOQ: 50

rohs

Mfr. Part No.
PCA9535PW

WS Part No.
090722-PCA9535PW

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP

10,000 pieces In Stock

MOQ: 50

rohs

Mfr. Part No.
PCA9535RGERG4

WS Part No.
061209-PCA9535RGERG4

Texas Instruments

IC I/O EXPANDER I2C 16B 24VQFN
Datasheet

2,720 pieces In Stock

MOQ: 31

rohs

Mfr. Part No.
PCA9555RGERG4

WS Part No.
1236073-PCA9555RGERG4

Texas Instruments

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

Low Stock
Available

MOQ: 6

rohs

Mfr. Part No.
PCF8575DBQR

WS Part No.
026502-PCF8575DBQR

Texas Instruments

IC I/O EXPANDER I2C 16B 24QSOP
Datasheet

3,504 pieces In Stock

MOQ: 5

rohs

Mfr. Part No.
PCF8574RGYRG4

WS Part No.
791541-PCF8574RGYRG4

Texas Instruments

IC I/O EXPANDER I2C 8B 20VQFN / I2C GPIO Expander 100kHz 6V 20-Pin VQFN EP T/R
Datasheet

7,170 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCA9534APWR

WS Part No.
145010-PCA9534APWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet

18,900 pieces In Stock

MOQ: 40

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

30,000 pieces In Stock

MOQ: 60

rohs

Mfr. Part No.
PCA9554ADWR

WS Part No.
134196-PCA9554ADWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

8,000 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PCA9557RGYR

WS Part No.
026490-PCA9557RGYR

Texas Instruments

IC I/O EXPANDER I2C 8B 16QFN
Datasheet

2,860 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
PCA9535DB

WS Part No.

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 24SSOP

1,403 pieces In Stock

MOQ: 25

rohs

Mfr. Part No.
PCF8575DW

WS Part No.
653556-PCF8575DW

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 24SOIC

9,400 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCA9557DB

WS Part No.
653391-PCA9557DB

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 16SSOP

3,000 pieces In Stock

MOQ: 120

rohs

Mfr. Part No.
TCA9535MRGER

WS Part No.
1098586-TCA9535MRGER

Texas Instruments

REMOTE 16-BIT I2C AND SMBUS, LOW / I/O Expander 16 I²C, SMBus 400 kHz 24-VQFN (4x4)

25,000 pieces In Stock

MOQ: 18

rohs
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