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Interface - I/O Expanders : 916 - 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.
PCA9534PW

WS Part No.
089611-PCA9534PW

Texas Instruments

IC I/O EXPANDER I2C 8B 16TSSOP

10,021 pieces In Stock

MOQ: 45

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.
PCAL6408AHKX

WS Part No.
888730-PCAL6408AHKX

NXP / Nexperia

IC I/O EXPANDER 8BIT I2C 16XQFN
Datasheet

7,500 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PCAL6416AEX1Z

WS Part No.
1084264-PCAL6416AEX1Z

NXP / Nexperia

LOW-VOLTAGE TRANSLATING 16-BIT I / I/O Expander 16 I²C, SMBus 400 kHz 24-X2QFN (2x2)
Datasheet

1,000 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCA9555DBR

WS Part No.
026485-PCA9555DBR

Texas Instruments

I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin SSOP T/R / IC I/O EXPANDER I2C 16B 24SSOP
Datasheet

76,330 pieces In Stock

MOQ: 20

rohs

Mfr. Part No.
PCA9538APWJ

WS Part No.
1086784-PCA9538APWJ

NXP / Nexperia

IC GPIO EXPANDER 8BIT 16TSSOP
Datasheet

3,020 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
PCA9535PWR

WS Part No.
026462-PCA9535PWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24TSSOP
Datasheet

9,290 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
TCA9539PWR

WS Part No.
031996-TCA9539PWR

Texas Instruments

IC I/O EXPANDER I2C 16B TSSOP
Datasheet

16,380 pieces In Stock

MOQ: 60

rohs

Mfr. Part No.
TCA9537DGSR

WS Part No.

Texas Instruments

IC XPNDR 1MHZ I2C 10VSSOP

5,260 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
MCP23S17-E/ML

WS Part No.
208199-MCP23S17-E/ML

Microchip Technology

IC I/O EXPANDER SPI 16B 28QFN
Datasheet

9,950 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
PCA9554PW/Q900,118

WS Part No.
1498519-PCA9554PW/Q900,118

NXP / Nexperia

IC XPND 400KHZ I2C SMBUS 16TSSOP
Datasheet

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
PCA9702PW,118

WS Part No.
123137-PCA9702PW,118

NXP / Nexperia

IC SPI GPI 8BIT 18V 16TSSOP
Datasheet

1,196 pieces In Stock

MOQ: 22

rohs

Mfr. Part No.
PCA9672PW,112

WS Part No.
114299-PCA9672PW,112

NXP / Nexperia

IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet

Low Stock
Available

MOQ: 18

rohs

Mfr. Part No.
PCA9555DWR

WS Part No.
1086826-PCA9555DWR

Texas Instruments

IC I/O EXPANDER I2C 16B 24SOIC
Datasheet

2,000 pieces In Stock

MOQ: 12

rohs

Mfr. Part No.
PCA9515AD,118

WS Part No.

NXP / Nexperia

Interface - Signal Buffers, Repeaters I2C BUS REPEATER
Datasheet

160 pieces In Stock

MOQ: 40

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

14,000 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
PCF8574RGYR

WS Part No.
026500-PCF8574RGYR

Texas Instruments

IC I/O EXPANDER I2C 8B 20VQFN
Datasheet

7,519 pieces In Stock

MOQ: 19

rohs

Mfr. Part No.
CP82C55AZ

WS Part No.
119493-CP82C55AZ

Intersil

IC I/O EXPANDER 24B 40DIP
Datasheet

1,800 pieces In Stock

MOQ: 2

rohs

Mfr. Part No.
MCP23008T-E/SS

WS Part No.
091221-MCP23008T-E/SS

Microchip Technology

IC I/O EXPANDER 8BIT I2C 20-SSOP

20,962 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCA9539PW/Q900,118

WS Part No.
1370775-PCA9539PW/Q900,118

NXP / Nexperia

IC XPND 400KHZ I2C SMBUS 24TSSOP
Datasheet

1,430 pieces In Stock

MOQ: 19

rohs
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