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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.

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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

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Part & Mfr AEC Qualified Automotive Grade Clock Frequency Current Data Rate ESD Protection Features Halogen Free Industrial Grade Input Voltage Interface Interrupt Output Latch-up Performance Lead Spacing Lead Style Medical Grade Military Grade Mounting Style Mounting Type Number of I Number of I/O Number of Inputs Operating Temperature Operating Voltage Output Current Output Type Output Voltage Package / Case Power Dissipation Power Dissipation (Max) Supplier Device Package Supplier Package Supply Current Tape & Reel Voltage
Product image for PCA9539RPW/Q900J by NXP Semiconductors
PCA9539RPW/Q900J
Download Datasheet for PCA9539RPW/Q900J
NXP Semiconductors
10,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
$1.15
 - - 400kHz 10mA, 25mA - 2kV POR; Input mode: invert option; Reset input pin Yes - - I2C, SMBus Yes - - Through-Hole Or Surface Mount - - SMD/SMT Surface Mount 16 - - -40°C 3V 10mA Push-Pull - - - 200mW 24-TSSOP - - Tape & Reel 3V ~ 5.5V
Product image for PCA9501BS,118 by NXP Semiconductors
PCA9501BS,118
Download Datasheet for PCA9501BS,118
NXP Semiconductors
10,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
$1.15
 - - 400 kHz 100µA, 25mA - - EEPROM, POR - - - I²C, SMBus Yes - - - - - - Surface Mount 8 - - -40°C ~ 85°C - - Push-Pull - - - - 20-HVQFN (5x5) - - No 2.5V ~ 3.6V
Product image for PCAL9535AHF,128 by NXP Semiconductors
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
 - - 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
Product image for PCA9555D,112 by NXP Semiconductors
PCA9555D,112
Download Datasheet for PCA9555D,112
NXP Semiconductors
10,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
$1.15
 - - 400 kHz 10 mA, 25 mA - - POR - - 5 V I2C, SMBus Yes - - - - - - Surface Mount 16 - - -40°C ~ 85°C - - Push-Pull 5 V - 200 mW - 24-SO - - - 2.3 V to 5.5 V
Product image for PCA9575HF,118 by NXP Semiconductors
PCA9575HF,118
Download Datasheet for PCA9575HF,118
NXP Semiconductors
10,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 10,000 - -
$1.15
 - - 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
Product image for MCP23017-E/SS by Microchip Technology
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 - -
$1.15
 - - 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
Product image for PCA9571GUX by NXP Semiconductors
PCA9571GUX
Download Datasheet for PCA9571GUX
NXP Semiconductors
9,800
Across 3 distributors
Distributor Stock MOQ Country
Rayichip 8,000 - -
Optech Co.,Limited 1,800 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$1.15
 No No 1 MHz - - - Power-On Reset (POR) - No - I2C No - - - No No - Surface Mount 8 - - -40 °C 1.1 V - Push-Pull - - - - 12-XQFN (2x1.7) - - Tape & Reel 1.1V ~ 3.6V
Product image for PCF8575DBR by Texas Instruments
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 - -
$1.41
 - - 400 kHz 1mA, 25mA - - POR - - - I²C, SMBus Yes - - - - - - Surface Mount 16 - - -40°C - - Push-Pull - - - - 24-SSOP - - - 2.5V / 5.5V
Product image for PCF8574DWR by Texas Instruments
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 - -
$0.73
 No No 100 kHz 1mA - - POR - No - I²C Yes - - - No No - Surface Mount 8 - - -40°C - - Push-Pull - - - - 16-SOIC 16-SOIC - - 2.5V
Product image for TCA9539RTWR by Texas Instruments
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 - -
$0.86
 - - 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
Product image for MCP23S17-E/SS by Microchip Technology
MCP23S17-E/SS
Download Datasheet for MCP23S17-E/SS
Microchip Technology
9,301
Across 7 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 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$1.15
 - - 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
Product image for MAX7301AAX+T by Analog Devices / Maxim Integrated
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 - -
$1.15
 - - 26 MHz 4.5mA, 10mA - - - - - - SPI Yes - - - - - - Surface Mount 28 - - -40°C ~ 125°C - - Push-Pull - - - - 36-SSOP 36-SSOP - - 2.5V ~ 5.5V
Product image for VSC7161XHK by Analog Devices / Maxim Integrated
VSC7161XHK
Analog Devices / Maxim Integrated
9,238
Across 2 distributors
Distributor Stock MOQ Country
Romaks Technologies 5,166 - -
Smaxon Electronics 4,072 - -
$1.15
 - - - - 1.5 Gbps - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Product image for PCA9534BS3,118 by NXP Semiconductors
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 - -
$1.15
 - - 400 kHz 10mA, 25mA - - Internal power-on reset; POR - - 5 V I2C-bus/SMBus Open-drain - 3 mm - - - SMD/SMT 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
Product image for PCA9555BS,118 by NXP Semiconductors
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 - -
$1.15
 - - 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
Product image for CMS82C55AZ by Renesas
CMS82C55AZ
Renesas
8,745
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 8,745 - -
Price on request
 - - - 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
Product image for PCA9554PW,118 by NXP Semiconductors
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 - -
$1.15
 - - 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
Product image for TCA1116RTWR by Texas Instruments
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 - -
$1.15
 - - 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
Product image for TCA6408RGTR by Texas Instruments
TCA6408RGTR
Texas Instruments
8,299
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 8,299 - -
$1.15
 - - 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
Product image for PCA9539D,118 by NXP Semiconductors
PCA9539D,118
Download Datasheet for PCA9539D,118
NXP Semiconductors
8,272
From Flip Electronics
Distributor Stock MOQ Country
Flip Electronics 8,272 - -
$1.15
 - - 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
Product image for PCA9554D,118 by NXP Semiconductors
PCA9554D,118
Download Datasheet for PCA9554D,118
NXP Semiconductors
8,000
Across 2 distributors
Distributor Stock MOQ Country
Flip Electronics 8,000 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$1.15
 - - 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
Product image for PCA9655EMTTXG by On Semiconductor
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 - -
$1.15
 - - 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
Product image for MCP23S18-E/SO by Microchip Technology
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 - -
$1.15
 - - 10 MHz 25 mA - - - - - - I2C Yes - - - - - - Surface Mount 16 - - -40°C - - Open Drain - - - - 28-SOIC 28-SOIC - - 1.8V
Product image for PCA9557PW,118 by NXP Semiconductors
PCA9557PW,118
Download Datasheet for PCA9557PW,118
NXP Semiconductors
7,887
Across 6 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 4 - -
Flip Electronics 2,500 - -
Risen Electronics 5,000 - -
Bristol Electronics 165 - -
PROSOFT ELECTRONICS 218 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$1.15
 - - 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
Product image for PCA9534PW by Texas Instruments
PCA9534PW
Texas Instruments
7,857
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,500 - -
Xingangxin 1,357 - -
$1.45
 - - 400 kHz 10mA - - POR - - - I2C, SMBus Yes - - - - - - Surface Mount 8 - - -40°C - - Push-Pull - - - - 16-TSSOP 16-TSSOP - - 2.3V
Product image for MCP23008T-E/SO by Microchip Technology
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 - -
$1.15
 - - 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
Product image for MCP23017-E/ML by Microchip Technology
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 - -
$1.37
 - - 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
Product image for PCA9701PW,118 by NXP Semiconductors
PCA9701PW,118
Download Datasheet for PCA9701PW,118
NXP Semiconductors
7,500
From Fe Components
Distributor Stock MOQ Country
Fe Components 7,500 - -
$1.15
 - - 5 MHz - - Exceeds 8 kV HBM - - - - SPI Serial Yes - - - - - - Surface Mount 16 (Input Only) - 16 (Input Only) -40°C ~ 125°C - - Push-Pull - - - - 24-TSSOP 24-TSSOP 2.5 µA maximum - 18 V tolerant
Product image for MCP23017T-E/ML by Microchip Technology
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 - -
$1.15
 - - 1.7 MHz 25mA - - POR - - - I²C Yes - - - - - - Surface Mount 16 - - -40°C ~ 125°C - - Push-Pull - - - - 28-QFN (6x6) - - - 1.8V ~ 5.5V
Product image for TCA9534APWR by Texas Instruments
TCA9534APWR
Texas Instruments
7,380
Across 4 distributors
Distributor Stock MOQ Country
Bristol Electronics 196 - -
Optech Co.,Limited 6,112 - -
Xingangxin 1,072 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$0.60
 No No 400 kHz - - - - - No - I2C Yes - - - No No - Surface Mount 8-bit - - -40°C / 85°C - - Push-Pull - - - - 16-TSSOP - - - 1.65 V / 5.5 V
Product image for MAX7312AWG+ by Analog Devices / Maxim Integrated
MAX7312AWG+
Download Datasheet for MAX7312AWG+
Analog Devices / Maxim Integrated
7,232
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 7,232 - -
$1.15
 - - 400 kHz 31mA, 43mA - - POR - - - I²C, SMBus Yes - - Through Hole - - - Surface Mount 16 - - -40°C ~ 125°C - - Push-Pull - - - - 24-SOIC - - - 2V ~ 5.5V
Product image for TCA9555RTWR by Texas Instruments
TCA9555RTWR
Texas Instruments
7,130
Across 3 distributors
Distributor Stock MOQ Country
MW.FEP S.p.A. 220 - -
Bristol Electronics 694 - -
Xingangxin 6,216 - -
$0.61
 No No 400 kHz 10mA, 25mA - - POR - No - I²C, SMBus Yes - - - No No - Surface Mount 16 - - -40°C ~ 85°C - - Push-Pull - - - - 24-WQFN (4x4) - - - 1.65V ~ 5.5V
Product image for JLC1562BFEL by On Semiconductor
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
 No No 100 kHz - - - DAC, POR - No - I2C No - 5.30 mm - No No - Surface Mount 8 - - -40°C ~ 85°C - - Open Drain - - - - 16-SOEIAJ - - No 4.2V ~ 6V
Product image for PCA9556PW,118 by NXP Semiconductors
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 - -
$1.15
 - - 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
Product image for IS82C55AZ by Renesas
IS82C55AZ
Renesas
6,926
Across 3 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
Speed Components Ltd 28 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
Price on request
 - - - 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
Product image for CDP1852CE by Intersil
CDP1852CE
Intersil
6,898
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,898 - -
Price on request
 - - - 4.4mA - - - - - - - No - 15.24 mm - - - - Through Hole 8 8 - -55°C 4V - - - - - - 24-PDIP - - - 4V ~ 6.5V
Product image for XRA1200IL16-F by Maxlinear
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 - -
$1.15
 - - 400kHz - - 3kV HBM - - - - I²C, SMBus Yes 200mA - - - - - Surface Mount 8 - - -40°C - - Open Drain - - - - 16-QFN (3x3) - - No 1.65V
Product image for PCF8574AT/3,518 by NXP Semiconductors
PCF8574AT/3,518
Download Datasheet for PCF8574AT/3,518
NXP Semiconductors
6,800
Across 2 distributors
Distributor Stock MOQ Country
Optech Co.,Limited 6,800 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$1.15
 - - 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
Product image for TCA6416AZQSR by Texas Instruments
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 - -
$1.15
 - - 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
Product image for CDP6823Q by Harris Semiconductor
CDP6823Q
Harris Semiconductor
6,565
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,565 - -
Price on request
 - - - 160µA, 3mA - - - - - - Parallel Yes - - - - - - Surface Mount 24 - - 0°C ~ 70°C - - - - - - - 44-PLCC - - - 4.5V ~ 5.5V
Product image for XRA1200IG16-F by Maxlinear
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 - -
$1.15
 - - 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
Product image for XRA1200PIL16-F by Maxlinear
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 - -
$1.15
 - - 400kHz - - 3kV - - - - I²C, SMBus Yes 200mA - - - - - Surface Mount 8 - - -40°C to +85°C - - Open Drain - - - - 16-QFN (3x3) - - - 1.65V to 3.6V
Product image for MCP23S18T-E/MJ by Microchip Technology
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 - -
$1.15
 - - 10 MHz 25mA - - - - - - SPI Yes - 4 mm - - - - Surface Mount 16-bit - - -40°C - - Open Drain - - - - 24-QFN (4x4) 24-QFN (4x4) - - 1.8V
Product image for PCF8574ATS/3,118 by NXP Semiconductors
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 - -
$1.15
 - - 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
Product image for MCP23S17T-E/ML by Microchip Technology
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 - -
$1.15
 - - 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
Product image for MCP23008-E/SS by Microchip Technology
MCP23008-E/SS
Download Datasheet for MCP23008-E/SS
Microchip Technology
6,259
Across 5 distributors
Distributor Stock MOQ Country
Fe Components 2,144 - -
Risen Electronics 3,000 - -
Partservice 15 - -
Smaxon Electronics 1,100 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$1.15
 - - 1.7 MHz 25mA - - POR - - - I²C Yes - - Through Hole - - - Surface Mount 8 - - -40°C ~ 125°C - - Push-Pull - - - - 20-SSOP - - - 1.8V ~ 5.5V
Product image for PCA9539APW,118 by NXP Semiconductors
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 - -
$1.15
 - - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - - - - Surface Mount 16 - - -40°C ~ 85°C - - Push-Pull - - - - 24-TSSOP - - - 1.65V ~ 5.5V
Product image for MCP23008T-E/SS by Microchip Technology
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 - -
$1.15
 - - 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
Product image for PCA9534BS,118 by NXP Semiconductors
PCA9534BS,118
Download Datasheet for PCA9534BS,118
NXP Semiconductors
6,000
From Fe Components
Distributor Stock MOQ Country
Fe Components 6,000 - -
$1.15
 - - 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
Product image for MM82PC12NI by Texas Instruments
MM82PC12NI
Texas Instruments
6,000
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 6,000 - -
$1.15
 No No - - - - - - No - CMOS Yes - - - No No - - 8 - - -40°C ~ 85°C - - - - - - - - - - No 4.5V ~ 5.5V
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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