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Interface - I/O Expanders : 916 - Page 13

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.
PCA9535HF,118

WS Part No.
1261063-PCA9535HF,118

NXP / Nexperia

IC I/O EXPANDER I2C 16B 24HWQFN / I/O Expander 16 I²C, SMBus 400 kHz 24-HWQFN (4x4)
Datasheet

6,000 pieces In Stock

MOQ: 13

rohs

Mfr. Part No.
MCP23S09-E/MG

WS Part No.
926634-MCP23S09-E/MG

Microchip Technology

IC I/O EXPANDER SPI 8B 16QFN

13,982 pieces In Stock

MOQ: 15

rohs

Mfr. Part No.
PCA9506BS,118

WS Part No.
134264-PCA9506BS,118

NXP / Nexperia

IC I/O EXPANDER I2C 40B 56HVQFN
Datasheet

2,810 pieces In Stock

MOQ: 1

rohs

Mfr. Part No.
DS4550E+

WS Part No.
1498507-DS4550E+

Maxim Integrated

IC XPNDR 400KHZ I2C JTAG 20TSSOP
Datasheet

1,959 pieces In Stock

MOQ: 4

rohs

Mfr. Part No.
TCA9539QPWRQ1

WS Part No.
844251-TCA9539QPWRQ1

Texas Instruments

IC I/O EXPANDER I2C 16BIT 24TSSO

9,990 pieces In Stock

MOQ: 10

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.
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.
PCA9502BS,128

WS Part No.
111631-PCA9502BS,128

NXP / Nexperia

IC I/O EXPANDER I2C/SPI 24HVQFN
Datasheet

4,350 pieces In Stock

MOQ: 17

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: 35

rohs

Mfr. Part No.
TCA9537DGSR

WS Part No.

Texas Instruments

IC XPNDR 1MHZ I2C 10VSSOP

4,990 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
MCP23018T-E/SS

WS Part No.
1075002-MCP23018T-E/SS

Microchip Technology

IC I/O EXPANDER I2C 16B 24SSOP
Datasheet

3,390 pieces In Stock

MOQ: 11

rohs

Mfr. Part No.
TCA9535RTWR

WS Part No.
031995-TCA9535RTWR

Texas Instruments

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

16,310 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: 40

rohs

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,112

WS Part No.
1261061-PCA9555PW,112

NXP / Nexperia

IC I/O EXPANDER I2C 16B 24TSSOP / I/O Expander 16 I²C, SMBus 400 kHz 24-TSSOP
Datasheet

93,190 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCA9555PW,118

WS Part No.

NXP / Nexperia

Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT PU
Datasheet

94,530 pieces In Stock

MOQ: 45

rohs

Mfr. Part No.
PCA9555PW

WS Part No.
345223-PCA9555PW

NXP / Nexperia

16-bit I2C and SMBus I/O port with interrupt / I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin TSSOP

100,000 pieces In Stock

MOQ: 45

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.
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.
PCA9575HF

WS Part No.
1236098-PCA9575HF

NXP / Nexperia

16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt

98,757 pieces In Stock

MOQ: 35

rohs
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