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IO Expanders

IO Expanders enable the expansion of input/output capabilities for microcontrollers, allowing for greater connectivity with peripherals. Key attributes include Clock Frequency, Current, and Interrupt Output, which are essential for ensuring compatibility and performance. These components are commonly used in new product design and prototyping.

1,100 active parts
33 manufacturers
29 distributors
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What are IO Expanders ?

IO Expanders are integrated circuits that increase the number of I/O ports available on a microcontroller, allowing for more devices to be connected. They are widely used in applications such as wireless and RF signal chains, production electronics assembly, and engineering evaluation. Important specifications include Clock Frequency, which affects data transfer rates; Current, which determines power consumption; and Output Type, which influences signal compatibility. It's crucial for procurement teams to validate lifecycle status and consider alternate-source options to mitigate sourcing risks.

Parts in this category

Compare stocked parts across manufacturers and distributors, then add lines to your RFQ.

Part & Mfr Total Stock Pricing & RFQ AEC Qualified Applications Clock Frequency Current EEPROM Size ESD Protection Features Halogen Free Industrial Grade Input Voltage Interface Interrupt Output Latch-up Performance Lead Spacing Lead Style Mounting Type Number of Channels Number of I Number of I/O Operating Temperature Operating Temperature Range Operating Voltage Output Current Output Type Output Voltage Package / Case Package Quantity Power Dissipation Storage Temperature Supplier Device Package Supplier Package Supply Current Supply Voltage Tape & Reel Voltage Voltage Supply
PCA9575HF,118
PCA9575HF,118
Download Datasheet for PCA9575HF,118
NXP Semiconductors
10,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
Price on request
10,000
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
- - 400 kHz 1mA, 3mA - - POR - - - I2C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-HWQFN (4x4) 24-HWQFN (4x4) - - No 1.1V ~ 3.6V -
PCAL9535AHF,128
PCAL9535AHF,128
Download Datasheet for PCAL9535AHF,128
NXP Semiconductors
10,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
Price on request
10,000
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Open Drain, Push-Pull - - - - - 24-HWQFN (4x4) - - - - 1.65V ~ 5.5V -
PCA9539RPW/Q900J
PCA9539RPW/Q900J
Download Datasheet for PCA9539RPW/Q900J
NXP Semiconductors
10,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
Price on request
10,000
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
- - 400kHz 10mA, 25mA - 2kV POR; Input mode: invert option; Reset input pin Yes - - I2C, SMBus Yes - - Through-Hole Or Surface Mount Surface Mount - 16 - -40°C - 3V 10mA Push-Pull - - - - - 24-TSSOP - - - Tape & Reel 3V ~ 5.5V -
MCP23017-E/SS
MCP23017-E/SS
Download Datasheet for MCP23017-E/SS
Microchip Technology
9,810
Across 8 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,336 - -
Fe Components 1,034 - -
Braun Electronic Components 446 - -
Tomark Electronics Ltd 155 - -
Bristol Electronics 14 - -
Partservice 10 - -
Xingangxin 3,121 - -
Smaxon Electronics 2,694 - -
Price on request
9,810
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,336 - -
Fe Components 1,034 - -
Braun Electronic Components 446 - -
Tomark Electronics Ltd 155 - -
Bristol Electronics 14 - -
Partservice 10 - -
Xingangxin 3,121 - -
Smaxon Electronics 2,694 - -
- - 1.7 MHz 25mA - - POR - - - I²C Yes - 5.3 mm - Surface Mount - 16 - -40°C ~ 125°C - - - Push-Pull - - - - - 28-SSOP - - - No 1.8V ~ 5.5V -
PCA9571GUX
PCA9571GUX
Download Datasheet for PCA9571GUX
NXP Semiconductors
9,800
Across 2 distributors
Distributor Stock MOQ Country
Rayichip 8,000 - -
Optech Co.,Limited 1,800 - -
Price on request
9,800
Distributor Stock MOQ Country
Rayichip 8,000 - -
Optech Co.,Limited 1,800 - -
No - 1 MHz - - - Power-On Reset (POR) - No - I2C No - - - Surface Mount - 8 - -40 °C - 1.1 V - Push-Pull - - - - - 12-XQFN (2x1.7) - - - Tape & Reel 1.1V ~ 3.6V -
PCF8575DBR
PCF8575DBR
Texas Instruments
9,726
Across 3 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,500 - -
Xingangxin 1,804 - -
Smaxon Electronics 1,422 - -
Price on request
9,726
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,500 - -
Xingangxin 1,804 - -
Smaxon Electronics 1,422 - -
- - 400 kHz 1mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 16 - -40°C - - - Push-Pull - - - - - 24-SSOP - - - - 2.5V / 5.5V -
PCF8574DWR
PCF8574DWR
Texas Instruments
9,711
Across 6 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Braun Electronic Components 699 - -
MW.FEP S.p.A. 1,699 - -
PROSOFT ELECTRONICS 1,200 - -
Xingangxin 2,400 - -
Smaxon Electronics 113 - -
Price on request
9,711
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Braun Electronic Components 699 - -
MW.FEP S.p.A. 1,699 - -
PROSOFT ELECTRONICS 1,200 - -
Xingangxin 2,400 - -
Smaxon Electronics 113 - -
No - 100 kHz 1mA - - POR - No - I²C Yes - - - Surface Mount - 8 - -40°C - - - Push-Pull - - - - - 16-SOIC 16-SOIC - - - 2.5V -
TCA9539RTWR
TCA9539RTWR
Texas Instruments
9,555
Across 5 distributors
Distributor Stock MOQ Country
Fe Components 67 - -
Rayichip 85 - -
Optech Co.,Limited 3,837 - -
Xingangxin 2,505 - -
Smaxon Electronics 3,061 - -
Price on request
9,555
Distributor Stock MOQ Country
Fe Components 67 - -
Rayichip 85 - -
Optech Co.,Limited 3,837 - -
Xingangxin 2,505 - -
Smaxon Electronics 3,061 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - 4 mm - Surface Mount - 16 - -40°C to 85°C - - - Push-Pull - - - - - 24-WQFN (4x4) - - - - 1.65V to 5.5V -
MCP23S17-E/SS
MCP23S17-E/SS
Download Datasheet for MCP23S17-E/SS
Microchip Technology
9,301
Across 6 distributors
Distributor Stock MOQ Country
Fe Components 1,175 - -
Braun Electronic Components 1,000 - -
Risen Electronics 2,000 - -
Speed Components Ltd 4 - -
Xingangxin 2,581 - -
Smaxon Electronics 2,541 - -
Price on request
9,301
Distributor Stock MOQ Country
Fe Components 1,175 - -
Braun Electronic Components 1,000 - -
Risen Electronics 2,000 - -
Speed Components Ltd 4 - -
Xingangxin 2,581 - -
Smaxon Electronics 2,541 - -
- - 10 MHz 25mA - - POR - - - SPI Yes - 0.209 mm - Surface Mount - 16 - -40°C to 125°C - - - Push-Pull - - - - - 28-SSOP - - - - 1.8V to 5.5V -
MAX7301AAX+T
MAX7301AAX+T
Download Datasheet for MAX7301AAX+T
Analog Devices / Maxim Integrated
9,287
Across 5 distributors
Distributor Stock MOQ Country
MW.FEP S.p.A. 10 - -
Rayichip 47 - -
Optech Co.,Limited 261 - -
Eito Shoji 6,889 - -
Xingangxin 2,080 - -
Price on request
9,287
Distributor Stock MOQ Country
MW.FEP S.p.A. 10 - -
Rayichip 47 - -
Optech Co.,Limited 261 - -
Eito Shoji 6,889 - -
Xingangxin 2,080 - -
- - 26 MHz 4.5mA, 10mA - - - - - - SPI Yes - - - Surface Mount - 28 - -40°C ~ 125°C - - - Push-Pull - - - - - 36-SSOP 36-SSOP - - - 2.5V ~ 5.5V -
VSC7161XHK
VSC7161XHK
Analog Devices / Maxim Integrated
9,238
Across 2 distributors
Distributor Stock MOQ Country
Romaks Technologies 5,166 - -
Smaxon Electronics 4,072 - -
Price on request
9,238
Distributor Stock MOQ Country
Romaks Technologies 5,166 - -
Smaxon Electronics 4,072 - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
PCA9534BS3,118
PCA9534BS3,118
Download Datasheet for PCA9534BS3,118
NXP Semiconductors
9,186
Across 3 distributors
Distributor Stock MOQ Country
Braun Electronic Components 3,593 - -
MW.FEP S.p.A. 3,593 - -
Risen Electronics 2,000 - -
Price on request
9,186
Distributor Stock MOQ Country
Braun Electronic Components 3,593 - -
MW.FEP S.p.A. 3,593 - -
Risen Electronics 2,000 - -
- - 400 kHz 10mA, 25mA - - Internal power-on reset; POR - - 5 V I2C-bus/SMBus Open-drain - 3 mm - Surface Mount - 8 - -40°C to 85°C - 2.3 V to 5.5 V 10mA, 25mA Push-Pull 5 V - - 200 mW - 16-HVQFN (3x3) 16-HVQFN (3x3) - - - 2.3V ~ 5.5V -
PCA9555BS,118
PCA9555BS,118
Download Datasheet for PCA9555BS,118
NXP Semiconductors
8,822
Across 2 distributors
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Optech Co.,Limited 3,822 - -
Price on request
8,822
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Optech Co.,Limited 3,822 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-HVQFN (4x4) - - - - 2.3 V to 5.5 V -
CMS82C55AZ
CMS82C55AZ
Renesas
8,745
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 8,745 - -
Price on request
8,745
Distributor Stock MOQ Country
Components Technology Group, Inc. 8,745 - -
- - - 2.5mA - - - - - - Parallel No - - J-Lead Surface Mount - 24 - 0°C ~ 70°C - - - Open Drain - - - - - 44-PLCC (16.58x16.58) 44-PLCC (16.58x16.58) - - - 4.5V ~ 5.5V -
PCA9554PW,118
PCA9554PW,118
Download Datasheet for PCA9554PW,118
NXP Semiconductors
8,626
Across 4 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,262 - -
MW.FEP S.p.A. 174 - -
Risen Electronics 5,000 - -
Optech Co.,Limited 190 - -
Price on request
8,626
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,262 - -
MW.FEP S.p.A. 174 - -
Risen Electronics 5,000 - -
Optech Co.,Limited 190 - -
- - 0 Hz to 400 kHz 10 mA, 25 mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 - -40 °C - - - Push-Pull - - - - - 16-TSSOP - - - - 2.3 V to 5.5 V -
TCA1116RTWR
TCA1116RTWR
Download Datasheet for TCA1116RTWR
Texas Instruments
8,605
Across 2 distributors
Distributor Stock MOQ Country
Optech Co.,Limited 5,397 - -
Smaxon Electronics 3,208 - -
Price on request
8,605
Distributor Stock MOQ Country
Optech Co.,Limited 5,397 - -
Smaxon Electronics 3,208 - -
- - 400 kHz - - Exceeds JESD 22 POR - - - I2C Yes Exceeds 100 mA Per JESD 78, Class II - - Surface Mount - 16-bit - -40°C / 85°C - - - Push-Pull - - - - - 24-WQFN (4x4) - - - - 1.65V / 5.5V -
TCA6408RGTR
TCA6408RGTR
Texas Instruments
8,299
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 8,299 - -
Price on request
8,299
Distributor Stock MOQ Country
Optech Co.,Limited 8,299 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - - - - - 16-VQFN (3x3) 16-VQFN (3x3) - - - 1.65V ~ 5.5V -
PCA9539D,118
PCA9539D,118
Download Datasheet for PCA9539D,118
NXP Semiconductors
8,272
From Flip Electronics
Distributor Stock MOQ Country
Flip Electronics 8,272 - -
Price on request
8,272
Distributor Stock MOQ Country
Flip Electronics 8,272 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - 7.5 mm - Surface Mount - 16 - -40°C ~ 85°C - 3.0V to 5.5V - Push-Pull - - - - - 24-SO 24-SO - - No 2.3V ~ 5.5V -
PCA9554D,118
PCA9554D,118
Download Datasheet for PCA9554D,118
NXP Semiconductors
8,000
From Flip Electronics
Distributor Stock MOQ Country
Flip Electronics 8,000 - -
Price on request
8,000
Distributor Stock MOQ Country
Flip Electronics 8,000 - -
- - 0 Hz ~ 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - 7.5 mm - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - - - - - 16-SO - - - - 2.3 V ~ 5.5 V -
PCA9655EMTTXG
PCA9655EMTTXG
Download Datasheet for PCA9655EMTTXG
On Semiconductor
7,956
Across 4 distributors
Distributor Stock MOQ Country
Braun Electronic Components 456 - -
Flip Electronics 6,044 - -
RAD 456 - -
Xingangxin 1,000 - -
Price on request
7,956
Distributor Stock MOQ Country
Braun Electronic Components 456 - -
Flip Electronics 6,044 - -
RAD 456 - -
Xingangxin 1,000 - -
- - 100 kHz 30 mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 16 - -55°C to 125°C - - - Push-Pull - - - - - 24-QFN (4x4) - - - - 1.65 V to 5.5 V -
MCP23S18-E/SO
MCP23S18-E/SO
Download Datasheet for MCP23S18-E/SO
Microchip Technology
7,956
Across 3 distributors
Distributor Stock MOQ Country
Speed Components Ltd 90 - -
Xingangxin 1,842 - -
Smaxon Electronics 6,024 - -
Price on request
7,956
Distributor Stock MOQ Country
Speed Components Ltd 90 - -
Xingangxin 1,842 - -
Smaxon Electronics 6,024 - -
- - 10 MHz 25 mA - - - - - - I2C Yes - - - Surface Mount - 16 - -40°C - - - Open Drain - - - - - 28-SOIC 28-SOIC - - - 1.8V -
PCA9557PW,118
PCA9557PW,118
Download Datasheet for PCA9557PW,118
NXP Semiconductors
7,887
Across 5 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 4 - -
Flip Electronics 2,500 - -
Risen Electronics 5,000 - -
Bristol Electronics 165 - -
PROSOFT ELECTRONICS 218 - -
Price on request
7,887
Distributor Stock MOQ Country
Components Technology Group, Inc. 4 - -
Flip Electronics 2,500 - -
Risen Electronics 5,000 - -
Bristol Electronics 165 - -
PROSOFT ELECTRONICS 218 - -
- - 400 kHz 10mA, 20mA - - POR - - - I²C, SMBus No - - - Surface Mount - 8 - -40°C ~ 85°C - - - Open Drain, Push-Pull - - - - - 16-TSSOP - - - - 2.3V ~ 5.5V -
PCA9534PW
PCA9534PW
Texas Instruments
7,857
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,500 - -
Xingangxin 1,357 - -
Price on request
7,857
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,500 - -
Xingangxin 1,357 - -
- - 400 kHz 10mA - - POR - - - I2C, SMBus Yes - - - Surface Mount - 8 - -40°C - - - Push-Pull - - - - - 16-TSSOP 16-TSSOP - - - 2.3V -
MCP23008T-E/SO
MCP23008T-E/SO
Download Datasheet for MCP23008T-E/SO
Microchip Technology
7,715
Across 5 distributors
Distributor Stock MOQ Country
Fe Components 3,300 - -
Braun Electronic Components 20 - -
Speed Components Ltd 26 - -
Emiteli 20 - -
Xingangxin 4,349 - -
Price on request
7,715
Distributor Stock MOQ Country
Fe Components 3,300 - -
Braun Electronic Components 20 - -
Speed Components Ltd 26 - -
Emiteli 20 - -
Xingangxin 4,349 - -
- - 1.7 MHz 25mA - - POR - - - I²C Yes - 7.5 mm - Surface Mount - 8 - -40°C ~ 125°C - - - Push-Pull - - - - - 18-SOIC 18-SOIC - - No 1.8V ~ 5.5V -
MCP23017-E/ML
MCP23017-E/ML
Download Datasheet for MCP23017-E/ML
Microchip Technology
7,699
Across 2 distributors
Distributor Stock MOQ Country
Fe Components 4,925 - -
Xingangxin 2,774 - -
Price on request
7,699
Distributor Stock MOQ Country
Fe Components 4,925 - -
Xingangxin 2,774 - -
- - 1.7 MHz 25mA - - POR - - - I²C Yes - - - Surface Mount - 16 - -40°C ~ 125°C - - - Push-Pull - - - - - 28-QFN (6x6) 28-QFN (6x6) - - No 1.8V ~ 5.5V -
PCA9701PW,118
PCA9701PW,118
Download Datasheet for PCA9701PW,118
NXP Semiconductors
7,500
From Fe Components
Distributor Stock MOQ Country
Fe Components 7,500 - -
Price on request
7,500
Distributor Stock MOQ Country
Fe Components 7,500 - -
- - 5 MHz - - Exceeds 8 kV HBM - - - - SPI Serial Yes - - - Surface Mount - 16 (Input Only) - -40°C ~ 125°C - - - Push-Pull - - - - - 24-TSSOP 24-TSSOP 2.5 µA maximum - - 18 V tolerant -
MCP23017T-E/ML
MCP23017T-E/ML
Download Datasheet for MCP23017T-E/ML
Microchip Technology
7,480
Across 3 distributors
Distributor Stock MOQ Country
Fe Components 4,800 - -
Bristol Electronics 175 - -
Xingangxin 2,505 - -
Price on request
7,480
Distributor Stock MOQ Country
Fe Components 4,800 - -
Bristol Electronics 175 - -
Xingangxin 2,505 - -
- - 1.7 MHz 25mA - - POR - - - I²C Yes - - - Surface Mount - 16 - -40°C ~ 125°C - - - Push-Pull - - - - - 28-QFN (6x6) - - - - 1.8V ~ 5.5V -
TCA9534APWR
TCA9534APWR
Texas Instruments
7,380
Across 3 distributors
Distributor Stock MOQ Country
Bristol Electronics 196 - -
Optech Co.,Limited 6,112 - -
Xingangxin 1,072 - -
Price on request
7,380
Distributor Stock MOQ Country
Bristol Electronics 196 - -
Optech Co.,Limited 6,112 - -
Xingangxin 1,072 - -
No - 400 kHz - - - - - No - I2C Yes - - - Surface Mount - 8-bit - -40°C / 85°C - - - Push-Pull - - - - - 16-TSSOP - - - - 1.65 V / 5.5 V -
MAX7312AWG+
MAX7312AWG+
Download Datasheet for MAX7312AWG+
Analog Devices / Maxim Integrated
7,232
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 7,232 - -
Price on request
7,232
Distributor Stock MOQ Country
Romaks Technologies 7,232 - -
- - 400 kHz 31mA, 43mA - - POR - - - I²C, SMBus Yes - - Through Hole Surface Mount - 16 - -40°C ~ 125°C - - - Push-Pull - - - - - 24-SOIC - - - - 2V ~ 5.5V -
TCA9555RTWR
TCA9555RTWR
Texas Instruments
7,130
Across 3 distributors
Distributor Stock MOQ Country
MW.FEP S.p.A. 220 - -
Bristol Electronics 694 - -
Xingangxin 6,216 - -
Price on request
7,130
Distributor Stock MOQ Country
MW.FEP S.p.A. 220 - -
Bristol Electronics 694 - -
Xingangxin 6,216 - -
No - 400 kHz 10mA, 25mA - - POR - No - I²C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-WQFN (4x4) - - - - 1.65V ~ 5.5V -
JLC1562BFEL
JLC1562BFEL
Download Datasheet for JLC1562BFEL
On Semiconductor
7,094
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,566 - -
Optech Co.,Limited 3,528 - -
Price on request
7,094
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,566 - -
Optech Co.,Limited 3,528 - -
No - 100 kHz - - - DAC, POR - No - I2C No - 5.30 mm - Surface Mount - 8 - -40°C ~ 85°C - - - Open Drain - - - - - 16-SOEIAJ - - - No 4.2V ~ 6V -
PCA9556PW,118
PCA9556PW,118
Download Datasheet for PCA9556PW,118
NXP Semiconductors
7,074
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,074 - -
Flip Electronics 5,000 - -
Price on request
7,074
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,074 - -
Flip Electronics 5,000 - -
- - 100 kHz 10mA, 20mA - - POR; Active high polarity inverter register; Each I/O is configurable as an input or output; Active low reset pin; Low leakage current on power-down - - - I²C, SMBus Yes - 4.4 mm - Surface Mount - 8 - -40°C ~ 85°C - 3.0 V – 5.5 V - Open Drain, Push-Pull - - - - - 16-TSSOP - - - - 3V ~ 5.5V -
IS82C55AZ
IS82C55AZ
Renesas
6,926
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
Speed Components Ltd 28 - -
Price on request
6,926
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
Speed Components Ltd 28 - -
- - - 2.5mA - - - - - - Parallel No - 16.58 mm - Surface Mount - 24 - -40°C ~ 85°C - - - Open Drain - - - - - 44-PLCC (16.58x16.58) 44-PLCC (16.58x16.58) - - - 4.5V ~ 5.5V -
CDP1852CE
CDP1852CE
Intersil
6,898
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
Price on request
6,898
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
- - - 4.4mA - - - - - - - No - 15.24 mm - Through Hole - 8 8 -55°C - 4V - - - - - - - 24-PDIP - - - - 4V ~ 6.5V -
XRA1200IL16-F
XRA1200IL16-F
Download Datasheet for XRA1200IL16-F
Maxlinear
6,898
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
Price on request
6,898
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
- - 400kHz - - 3kV HBM - - - - I²C, SMBus Yes 200mA - - Surface Mount - 8 - -40°C - - - Open Drain - - - - - 16-QFN (3x3) - - - No 1.65V -
PCF8574AT/3,518
PCF8574AT/3,518
Download Datasheet for PCF8574AT/3,518
NXP Semiconductors
6,800
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 6,800 - -
Price on request
6,800
Distributor Stock MOQ Country
Optech Co.,Limited 6,800 - -
- - 100 kHz 300µA, 25mA - exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101 POR - - - I²C Yes - - - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - - - - - 16-SO - - - - 2.5V ~ 6V -
TCA6416AZQSR
TCA6416AZQSR
Download Datasheet for TCA6416AZQSR
Texas Instruments
6,643
Across 3 distributors
Distributor Stock MOQ Country
Braun Electronic Components 2,500 - -
Optech Co.,Limited 3,333 - -
Smaxon Electronics 810 - -
Price on request
6,643
Distributor Stock MOQ Country
Braun Electronic Components 2,500 - -
Optech Co.,Limited 3,333 - -
Smaxon Electronics 810 - -
- - 400 kHz 10mA, 25mA - 2000-V HBM POR - - - I2C, SMBus Open-Drain Active-Low >100 mA - - Surface Mount - 16-Bit - -40°C ~ 85°C - - - Push-Pull - - - - - 24-BGA MICROSTAR JUNIOR (3x3) - - - - 1.65V ~ 5.5V -
XRA1200IG16-F
XRA1200IG16-F
Download Datasheet for XRA1200IG16-F
Maxlinear
6,565
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,565 - -
Price on request
6,565
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,565 - -
- - 400kHz - - 3kV HBM - - - - I2C, SMBus Yes 200mA 4.4 mm - Surface Mount - 8 - -40°C - - - Open Drain - - - - - 16-TSSOP 16-TSSOP (0.173", 4.40mm Width) - - No 1.65V -
CDP6823Q
CDP6823Q
Harris Semiconductor
6,565
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,565 - -
Price on request
6,565
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,565 - -
- - - 160µA, 3mA - - - - - - Parallel Yes - - - Surface Mount - 24 - 0°C ~ 70°C - - - - - - - - - 44-PLCC - - - - 4.5V ~ 5.5V -
XRA1200PIL16-F
XRA1200PIL16-F
Download Datasheet for XRA1200PIL16-F
Maxlinear
6,500
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,500 - -
Price on request
6,500
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,500 - -
- - 400kHz - - 3kV - - - - I²C, SMBus Yes 200mA - - Surface Mount - 8 - -40°C to +85°C - - - Open Drain - - - - - 16-QFN (3x3) - - - - 1.65V to 3.6V -
MCP23S18T-E/MJ
MCP23S18T-E/MJ
Download Datasheet for MCP23S18T-E/MJ
Microchip Technology
6,438
Across 3 distributors
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Tomark Electronics Ltd 395 - -
Xingangxin 1,043 - -
Price on request
6,438
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Tomark Electronics Ltd 395 - -
Xingangxin 1,043 - -
- - 10 MHz 25mA - - - - - - SPI Yes - 4 mm - Surface Mount - 16-bit - -40°C - - - Open Drain - - - - - 24-QFN (4x4) 24-QFN (4x4) - - - 1.8V -
PCF8574ATS/3,118
PCF8574ATS/3,118
Download Datasheet for PCF8574ATS/3,118
NXP Semiconductors
6,333
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,333 - -
Risen Electronics 4,000 - -
Price on request
6,333
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,333 - -
Risen Electronics 4,000 - -
- - 100 kHz 300µA, 25mA - Exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101 POR - - - I2C-bus Active LOW open-drain - - - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - - - - - 20-SSOP 20-SSOP (0.173", 4.40mm Width) - - - 2.5V ~ 6V -
MCP23S17T-E/ML
MCP23S17T-E/ML
Download Datasheet for MCP23S17T-E/ML
Microchip Technology
6,321
Across 2 distributors
Distributor Stock MOQ Country
Fe Components 3,200 - -
Xingangxin 3,121 - -
Price on request
6,321
Distributor Stock MOQ Country
Fe Components 3,200 - -
Xingangxin 3,121 - -
- - 10 MHz 25mA - - POR - - - SPI Yes - 6 mm - Surface Mount - 16 - -40°C to 125°C - - - Push-Pull - - - - - 28-QFN (6x6) - - - - 1.8V to 5.5V -
MCP23008-E/SS
MCP23008-E/SS
Download Datasheet for MCP23008-E/SS
Microchip Technology
6,259
Across 4 distributors
Distributor Stock MOQ Country
Fe Components 2,144 - -
Risen Electronics 3,000 - -
Partservice 15 - -
Smaxon Electronics 1,100 - -
Price on request
6,259
Distributor Stock MOQ Country
Fe Components 2,144 - -
Risen Electronics 3,000 - -
Partservice 15 - -
Smaxon Electronics 1,100 - -
- - 1.7 MHz 25mA - - POR - - - I²C Yes - - Through Hole Surface Mount - 8 - -40°C ~ 125°C - - - Push-Pull - - - - - 20-SSOP - - - - 1.8V ~ 5.5V -
PCA9539APW,118
PCA9539APW,118
Download Datasheet for PCA9539APW,118
NXP Semiconductors
6,100
Across 2 distributors
Distributor Stock MOQ Country
Risen Electronics 2,000 - -
Optech Co.,Limited 4,100 - -
Price on request
6,100
Distributor Stock MOQ Country
Risen Electronics 2,000 - -
Optech Co.,Limited 4,100 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-TSSOP - - - - 1.65V ~ 5.5V -
MCP23008T-E/SS
MCP23008T-E/SS
Download Datasheet for MCP23008T-E/SS
Microchip Technology
6,086
Across 2 distributors
Distributor Stock MOQ Country
Xingangxin 4,986 - -
Smaxon Electronics 1,100 - -
Price on request
6,086
Distributor Stock MOQ Country
Xingangxin 4,986 - -
Smaxon Electronics 1,100 - -
- - 1.7 MHz 25mA - - POR - - - I²C Yes - 5.3 mm - Surface Mount - 8 - -40°C ~ 125°C - - - Push-Pull - 20-SSOP - - - 20-SSOP - - - - 1.8V ~ 5.5V -
PCA9672BS,118
PCA9672BS,118
Download Datasheet for PCA9672BS,118
NXP Semiconductors
6,000
From Flip Electronics
Distributor Stock MOQ Country
Flip Electronics 6,000 - -
Price on request
6,000
Distributor Stock MOQ Country
Flip Electronics 6,000 - -
- - 1 MHz 300µA, 43mA - 2000 V HBM POR - - - 1 MHz Yes - 3 mm - Surface Mount - 8 - -40°C ~ 85°C - 2.3 V to 5.5 V - Push-Pull - - - - - 16-HVQFN (3x3) 16-HVQFN (3x3) - - - 2.3V ~ 5.5V -
MM82PC12NI
MM82PC12NI
Texas Instruments
6,000
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,000 - -
Price on request
6,000
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,000 - -
No - - - - - - - No - CMOS Yes - - - - - 8 - -40°C ~ 85°C - - - - - - - - - - - - - No 4.5V ~ 5.5V -
PCA9534BS,118
PCA9534BS,118
Download Datasheet for PCA9534BS,118
NXP Semiconductors
6,000
From Fe Components
Distributor Stock MOQ Country
Fe Components 6,000 - -
Price on request
6,000
Distributor Stock MOQ Country
Fe Components 6,000 - -
- - 400 kHz 10 mA, 25 mA - - POR - - - I²C, SMBus Yes - 4 mm - Surface Mount - 8 - -40°C to 85°C - - - Push-Pull - - - - - 16-HVQFN (4x4) 16-HVQFN (4x4) Low - - 2.3 V to 5.5 V -
ID82C59A
ID82C59A
Rochester Electronics
5,750
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 5,750 - -
Price on request
5,750
Distributor Stock MOQ Country
Components Technology Group, Inc. 5,750 - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - °C ~ °C - - - - No - -
Showing 151-200 of 1,100 products

About IO Expanders

IO Expanders are essential components in electronic systems, allowing for the expansion of input/output capabilities in integrated circuits. These devices are particularly useful in applications where additional I/O ports are required beyond what is available on a microcontroller or processor.

When sourcing IO Expanders, it is crucial to consider important attributes such as clock frequency, current ratings, and the specific features that meet your design requirements. Understanding the interface type and interrupt output capabilities can significantly impact the performance of your application.

IO Expanders find applications in wireless and RF signal chains, new product design and prototyping, as well as in production electronics assembly. They are also vital for maintenance and field replacement, ensuring that systems remain operational with minimal downtime.

Before submitting a Request for Quotation (RFQ), buyers should validate the lifecycle status of the components and explore alternate-source options to mitigate sourcing risks. It is advisable to prioritize parametric filtering based on critical specifications rather than brand preference to ensure compatibility with existing design constraints.

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