Interface - I/O Expanders from Texas Instruments : 211 - Page 8

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.
TCA9554ADWT

WS Part No.
1106315-TCA9554ADWT

Texas Instruments

IC I/O EXPANDER I2C 8BIT 16-SOIC
Datasheet

3,390 pieces In Stock

MOQ: 19

rohs

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: 45

rohs

Mfr. Part No.
PCF8574ADWRG4

WS Part No.
1236223-PCF8574ADWRG4

Texas Instruments

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

16,930 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCF8574ADWG4

WS Part No.
1236222-PCF8574ADWG4

Texas Instruments

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

17,900 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCF8574ADW

WS Part No.
1236221-PCF8574ADW

Texas Instruments

REMOTE 8BIT I/O EXPANDER FOR I2C BUS
Datasheet

18,650 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCF8574APWRG4

WS Part No.
1236226-PCF8574APWRG4

Texas Instruments

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

14,240 pieces In Stock

MOQ: 65

rohs

Mfr. Part No.
PCF8574APW

WS Part No.
135213-PCF8574APW

Texas Instruments

IC I/O EXPANDER I2C 8B 20TSSOP
Datasheet

15,689 pieces In Stock

MOQ: 65

rohs

Mfr. Part No.
PCA9554ADWR

WS Part No.
134196-PCA9554ADWR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

5 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PCA9534DB

WS Part No.
653263-PCA9534DB

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 16SSOP

80,000 pieces In Stock

MOQ: 14

rohs

Mfr. Part No.
PCA9554ADW

WS Part No.
1086820-PCA9554ADW

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC
Datasheet

3,000 pieces In Stock

MOQ: 30

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

37,240 pieces In Stock

MOQ: 13

rohs

Mfr. Part No.
PCF8575CDWR

WS Part No.
1498544-PCF8575CDWR

Texas Instruments

IC XPNDR 400KHZ I2C SMBUS 24SOIC

72,000 pieces In Stock

MOQ: 75

rohs

Mfr. Part No.
PCF8575PWRG4

WS Part No.
081178-PCF8575PWRG4

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

3,300 pieces In Stock

MOQ: 15

rohs

Mfr. Part No.
PCF8575PW

WS Part No.
653557-PCF8575PW

Texas Instruments

IC XPND 400KHZ I2C SMBUS 24TSSOP / I/O Expander 16 I2C, SMBus 400 kHz 24-TSSOP

3,500 pieces In Stock

MOQ: 15

rohs

Mfr. Part No.
PCA9554PWRG4

WS Part No.
115514-PCA9554PWRG4

Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet

28,600 pieces In Stock

MOQ: 45

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.
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