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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 AEC Qualified Applications Automotive Grade Capacitance Clock Frequency Current Data Rate (Max) ESD Protection Features Height Industrial Grade Input Interface Interrupt Output Latch-up Performance Lead Spacing Lead Style Length Medical Grade Military Grade Mounting Type Number of Channels Number of I Number of I/O Operating Temperature Operating Temperature Range Operating Voltage Output Output Current Output Type Package / Case Package Quantity Power Dissipation Quiescent Current SVHC Present Storage Temperature Supplier Device Package Supplier Package Supply Voltage Tape & Reel Type Voltage Voltage Supply
Product image for PCAL6416AHF,128 by NXP Semiconductors
PCAL6416AHF,128
Download Datasheet for PCAL6416AHF,128
NXP Semiconductors
37,885
Across 5 distributors
Distributor Stock MOQ Country
Braun Electronic Components 4,375 - -
MW.FEP S.p.A. 4,757 - -
Risen Electronics 20,000 - -
Speed Components Ltd 500 - -
Optech Co.,Limited 8,253 - -
$1.15
 - - - - 400 kHz 10mA, 25mA - - POR - - - I2C, SMBus Yes - 4 mm - - - - Surface Mount - 16 - -40°C ~ 85°C - - - - Open Drain, Push-Pull - - - - - - 24-HWQFN (4x4) 24-HWQFN (4x4) - - - 1.65V ~ 5.5V -
Product image for MCP23S17T-E/SS by Microchip Technology
MCP23S17T-E/SS
Download Datasheet for MCP23S17T-E/SS
Microchip Technology
37,770
Across 5 distributors
Distributor Stock MOQ Country
Fe Components 12,600 - -
Braun Electronic Components 1,000 - -
MW.FEP S.p.A. 140 - -
Risen Electronics 20,000 - -
Xingangxin 4,030 - -
$1.15
 - - - - 10 MHz 25mA - - - - - - SPI Yes - - - - - - Surface Mount - 16 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 28-SSOP 28-SSOP - - - 1.8V ~ 5.5V -
Product image for PCF8574RGTR by Texas Instruments
PCF8574RGTR
Texas Instruments
37,743
Across 3 distributors
Distributor Stock MOQ Country
Fe Components 1,495 - -
Romaks Technologies 36,160 - -
Akira Global 88 - -
$0.68
 - - - - 0.1 MHz 1mA, 25mA - - POR - - - I²C Yes Exceeds 100mA per JESD 78, Class II - - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 16-VQFN (3x3) - - - - 2.5V ~ 6V -
Product image for MCP23S18-E/MJ by Microchip Technology
MCP23S18-E/MJ
Download Datasheet for MCP23S18-E/MJ
Microchip Technology
37,294
Across 4 distributors
Distributor Stock MOQ Country
Fe Components 5,500 - -
Xingangxin 3,667 - -
Smaxon Electronics 28,127 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$1.15
 - - - - 10 MHz 25 mA - - - - - - SPI Yes - - - - - - Surface Mount - 16 - -40°C / 125°C - - - 400 mA Open Drain - - 700 mW - - - 24-QFN (4x4) - - - - 1.8V ~ 5.5V -
Product image for MCP23S08T-E/SS by Microchip Technology
MCP23S08T-E/SS
Download Datasheet for MCP23S08T-E/SS
Microchip Technology
36,536
Across 3 distributors
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Xingangxin 3,421 - -
Smaxon Electronics 28,115 - -
$1.15
 No - No - 10 MHz 25mA - - POR 2mm No - SPI Yes - - - 7.5mm No No Surface Mount - 8 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 20-SSOP - - - - 1.8V ~ 5.5V -
Product image for TCA9554DBQR by Texas Instruments
TCA9554DBQR
Texas Instruments
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
$1.15
 - - - - 400 kHz - - - POR - - - I²C Yes - - - - - - Surface Mount - 8 - -40°C - - - - Push-Pull 16-SSOP (0.154", 3.90mm Width) - - - - - 16-SSOP - - - - 1.65V -
Product image for PCA9534DW by Texas Instruments
PCA9534DW
Texas Instruments
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
$1.56
 - - - - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 16-SOIC - - - - 2.3V to 5.5V -
Product image for MAX7310ATE by Analog Devices / Maxim Integrated
MAX7310ATE
Analog Devices / Maxim Integrated
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
$1.15
 - - - - 400 kHz 18mA, 30mA - - POR - - - I²C, SMBus No - 4 mm - - - - Surface Mount - 8 - -40°C to 125°C - - - - Open Drain - - - - - - 16-TQFN (4x4) - - - - 2.3V to 5.5V -
Product image for PCA9555RGERG4 by Texas Instruments
PCA9555RGERG4
Texas Instruments
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
$1.15
 - - - - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes Exceeds 100 mA - - - - - Surface Mount - 16 - -40°C to 85°C - - - - Push-Pull - 3000 - - - - 24-VQFN (4x4) - - - - 2.3V to 5.5V -
Product image for PCA9555DBR by Texas Instruments
PCA9555DBR
Texas Instruments
36,057
Across 2 distributors
Distributor Stock MOQ Country
Romaks Technologies 32,057 - -
Smaxon Electronics 4,000 - -
$0.75
 No - No - 400 kHz 10mA, 25mA - - POR - No - I²C, SMBus Yes - 0.209 mm - - No No Surface Mount - 16 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 24-SSOP - - - - 2.3V ~ 5.5V -
Product image for PCF8575PWR by Texas Instruments
PCF8575PWR
Texas Instruments
36,011
Across 4 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,500 - -
Romaks Technologies 25,829 - -
Xingangxin 7,386 - -
Smaxon Electronics 296 - -
$0.94
 No - No - 400 kHz 1mA - - POR - No - I2C, SMBus Yes - - - - No No Surface Mount - 16 - -40°C -40 to 85°C 2.5V - - Push-Pull 24-TSSOP - - - - - 24-TSSOP - - - - 2.5V ~ 5.5V -
Product image for PCA9511ADP,118 by NXP Semiconductors
PCA9511ADP,118
Download Datasheet for PCA9511ADP,118
NXP Semiconductors
35,601
Across 4 distributors
Distributor Stock MOQ Country
Braun Electronic Components 1 - -
Flip Electronics 33,929 - -
Bristol Electronics 1,670 - -
RAD 1 - -
$1.15
 - I²C - Hotswap - 7 pF 400 kHz 6 mA 400 kHz 2000 V - - - 2-Wire Bus - - - - - - - - Surface Mount 1 - - -40°C - - 2-Wire Bus - - - - - - - - 8-TSSOP 8-TSSOP 2.7 V - Buffer, Accelerator 2.7 V -
Product image for MIC74YQS-TR by Microchip Technology
MIC74YQS-TR
Download Datasheet for MIC74YQS-TR
Microchip Technology
34,662
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 34,662 - -
$1.15
 - - - - 100 kHz 7mA, 10mA - - Fan Speed Controller - - - I²C, SMBus Yes - - - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Open Drain, Push-Pull - - - - - - 16-QSOP - - No - 2.7V ~ 3.6V -
Product image for MIC74YQS by Microchip Technology
MIC74YQS
Download Datasheet for MIC74YQS
Microchip Technology
34,661
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 34,661 - -
$1.15
 - - - - 100 kHz 7mA, 10mA - - Fan Speed Controller - - - I²C, SMBus Yes - 3.90 mm - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Open Drain, Push-Pull - - - - - - 16-QSOP 16-QSOP - No - 2.7V ~ 3.6V -
Product image for PCF8575RGER by Texas Instruments
PCF8575RGER
Texas Instruments
33,582
Across 3 distributors
Distributor Stock MOQ Country
Romaks Technologies 27,815 - -
Optech Co.,Limited 3,025 - -
Xingangxin 2,742 - -
$1.18
 - - - - 400 kHz 1 mA, 25 mA - - POR - - - I2C, SMBus Yes - - - - - - Surface Mount - 16 - -40 to 85°C - - - - Push-Pull - - - - - - 24-VQFN (4x4) - - - - 2.5 to 5.5 V -
Product image for TCA9534PWR by Texas Instruments
TCA9534PWR
Texas Instruments
32,706
Across 7 distributors
Distributor Stock MOQ Country
MW.FEP S.p.A. 178 - -
Speed Components Ltd 7 - -
Optech Co.,Limited 30,155 - -
PROSOFT ELECTRONICS 122 - -
Xingangxin 1,531 - -
Smaxon Electronics 713 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
$0.52
 No - No - 400 kHz 10mA - - - - No - I2C Yes - - - - No No Surface Mount - 8 - -40°C - - - - Push-Pull - - - - - - 16-TSSOP - - - - 1.65V -
Product image for MAX7317AEE+T by Analog Devices / Maxim Integrated
MAX7317AEE+T
Download Datasheet for MAX7317AEE+T
Analog Devices / Maxim Integrated
31,178
Across 2 distributors
Distributor Stock MOQ Country
Speed Components Ltd 6 - -
Romaks Technologies 31,172 - -
$1.15
 - - - - - 20mA - - POR - - - SPI No - 3.9 mm - - - - Surface Mount - 10 10 -40°C to +125°C - 2.25V to 3.6V - - Open Drain - - - - - - 16-QSOP - - - - 2.25V ~ 3.6V -
Product image for PCA9554PW by Texas Instruments
PCA9554PW
Texas Instruments
31,000
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 31,000 - -
$1.15
 - - - - 400 kHz 10mA, 25mA - - POR - - - I2C, SMBus Yes - 4.4 mm - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 16-TSSOP - - - - 2.3V ~ 5.5V -
Product image for TCA6424ARGJR by Texas Instruments
TCA6424ARGJR
Texas Instruments
30,702
Across 8 distributors
Distributor Stock MOQ Country
Fe Components 494 - -
Braun Electronic Components 3,000 - -
MW.FEP S.p.A. 3,000 - -
Bristol Electronics 43 - -
Rayichip 707 - -
Optech Co.,Limited 5,299 - -
Smaxon Electronics 159 - -
Mufeng Electronics 18,000 - -
$1.15
 - - - - 400 kHz 10mA, 25mA - - POR - - - I2C, SMBus Yes - 5 mm - - - - Surface Mount - 24 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 32-UQFN (5x5) - - - - 1.65V ~ 5.5V -
Product image for MAX7311AAG+ by Analog Devices / Maxim Integrated
MAX7311AAG+
Download Datasheet for MAX7311AAG+
Analog Devices / Maxim Integrated
30,168
Across 2 distributors
Distributor Stock MOQ Country
MW.FEP S.p.A. 35 - -
Romaks Technologies 30,133 - -
$1.15
 - - - - 400 kHz 31mA, 43mA - - POR - - - I2C, SMBus Yes - - - - - - Surface Mount - 16 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 24-SSOP 24-SSOP - - - 2V ~ 5.5V -
Product image for MAX7317AEE by Analog Devices / Maxim Integrated
MAX7317AEE
Analog Devices / Maxim Integrated
30,133
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 30,133 - -
$1.15
 - - - - - 20mA - - POR - - - SPI No - - - - - - Surface Mount - 10 - -40°C ~ 125°C - - - - Open Drain - - - - - - 16-QSOP - - - - 2.25V ~ 3.6V -
Product image for PCA9539DB by Texas Instruments
PCA9539DB
Texas Instruments
30,133
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 30,133 - -
$2.01
 - - - - 400 kHz 10mA, 25mA - - POR - - - I2C, SMBus Yes - - - - - - Surface Mount - 16 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 24-SSOP 24-SSOP - - - 2.3V ~ 5.5V -
Product image for MCP23S17-E/ML by Microchip Technology
MCP23S17-E/ML
Download Datasheet for MCP23S17-E/ML
Microchip Technology
29,867
Across 4 distributors
Distributor Stock MOQ Country
Tomark Electronics Ltd 45 - -
Bristol Electronics 5 - -
Xingangxin 1,696 - -
Smaxon Electronics 28,121 - -
Price on request
 - - - - 10 MHz 25mA - - POR - - - SPI Yes - 0.65 mm Surface Mount Termination - - - Surface Mount - 16 - -40°C to +125°C - 1.8V ~ 5.5V - - Push-Pull - - - - - -40°C ~ 125°C 28-QFN (6x6) - - No - 1.8V ~ 5.5V -
Product image for MCP23S08-E/ML by Microchip Technology
MCP23S08-E/ML
Download Datasheet for MCP23S08-E/ML
Microchip Technology
29,437
Across 3 distributors
Distributor Stock MOQ Country
Bristol Electronics 7 - -
Xingangxin 1,321 - -
Smaxon Electronics 28,109 - -
$1.15
 - - - - 10 MHz 25mA - - POR - - - SPI Yes - - - - - - Surface Mount - 8 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 20-QFN (4x4) 20-QFN (4x4) - - - 1.8V ~ 5.5V -
Product image for MCP23S08T-E/ML by Microchip Technology
MCP23S08T-E/ML
Download Datasheet for MCP23S08T-E/ML
Microchip Technology
29,239
Across 3 distributors
Distributor Stock MOQ Country
Bristol Electronics 25 - -
Xingangxin 1,101 - -
Smaxon Electronics 28,113 - -
$1.15
 - - - - 10 MHz 25mA - - POR - - - SPI Yes - - - - - - Surface Mount - 8 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 20-QFN (4x4) - - - - 1.8V ~ 5.5V -
Product image for TCA9555RGER by Texas Instruments
TCA9555RGER
Texas Instruments
29,050
Across 3 distributors
Distributor Stock MOQ Country
Braun Electronic Components 12,000 - -
MW.FEP S.p.A. 12,000 - -
Xingangxin 5,050 - -
$0.70
 No - No - 400 kHz 10mA, 25mA - - POR - No - I²C, SMBus Yes - - - - No No Surface Mount - 16 - -40°C to 85°C - - - - Push-Pull - - - - - - 24-VQFN (4x4) 24-VQFN (4x4) - - - 1.65V to 5.5V -
Product image for MCP25050-E/SL by Microchip Technology
MCP25050-E/SL
Download Datasheet for MCP25050-E/SL
Microchip Technology
28,277
Across 2 distributors
Distributor Stock MOQ Country
Hybrid Electronics 136 - -
Smaxon Electronics 28,141 - -
$1.15
 - - - - 25 MHz 25mA - 3.5 kV ADC, EEPROM, POR, PWM - - - CAN V2.0b No - - Through Hole - - - Surface Mount - 8 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 4.5V ~ 5.5V -
Product image for MCP23S09-E/SO by Microchip Technology
MCP23S09-E/SO
Download Datasheet for MCP23S09-E/SO
Microchip Technology
28,160
Across 2 distributors
Distributor Stock MOQ Country
Hybrid Electronics 42 - -
Smaxon Electronics 28,118 - -
$1.15
 - - - - 10 MHz 25mA - - - - - - SPI Yes - - - - - - Surface Mount - 8 - -40°C - 1.8V - - Open Drain - - - - - - 18-SOIC - - - - 1.8V ~ 5.5V -
Product image for MCP25055T-I/SL by Microchip Technology
MCP25055T-I/SL
Download Datasheet for MCP25055T-I/SL
Microchip Technology
28,148
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,148 - -
$1.15
 - - - - 25 MHz 25mA - - ADC, EEPROM, POR, PWM - - - CAN (1-Wire) No - - - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 2.7V ~ 5.5V -
Product image for MCP25055-I/SL by Microchip Technology
MCP25055-I/SL
Download Datasheet for MCP25055-I/SL
Microchip Technology
28,147
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,147 - -
$1.15
 - - - - 25 MHz 25mA - - ADC, EEPROM, POR, PWM - - - CAN (1-Wire) No - - - - - - Surface Mount - 8 8 -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 2.7V ~ 5.5V 2.7V ~ 5.5V
Product image for MCP25055-I/P by Microchip Technology
MCP25055-I/P
Download Datasheet for MCP25055-I/P
Microchip Technology
28,146
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,146 - -
$1.15
 - - - - 25 MHz 25mA - - ADC, EEPROM, POR, PWM - - - CAN (1-Wire) No - - Through Hole - - - Through Hole - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-PDIP 14-PDIP - - - 2.7V ~ 5.5V -
Product image for MCP25050T-I/SL by Microchip Technology
MCP25050T-I/SL
Download Datasheet for MCP25050T-I/SL
Microchip Technology
28,145
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,145 - -
$1.15
 - - - - 25 MHz 25mA - - ADC, EEPROM, POR, PWM - - - CAN V2.0b No - - - - - - Surface Mount - 8 - -40℃ ~ 85℃ - - - - Push-Pull - - - - - - 14-SOIC 14-SOIC - - - 2.7V ~ 5.5V -
Product image for MCP25050T-E/SL by Microchip Technology
MCP25050T-E/SL
Download Datasheet for MCP25050T-E/SL
Microchip Technology
28,144
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,144 - -
$1.15
 - - - - 25 MHz 25mA - - ADC; EEPROM; POR; PWM - - - CAN V2.0b No - 3.9 mm Through Hole - - - Surface Mount - 8 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 4.5V ~ 5.5V -
Product image for MCP25050-I/SL by Microchip Technology
MCP25050-I/SL
Download Datasheet for MCP25050-I/SL
Microchip Technology
28,143
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,143 - -
$1.15
 - - - - 25 MHz 25mA - - ADC, EEPROM, POR, PWM - - - CAN V2.0b No - - - - - - Surface Mount - 8 8 -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 2.7V ~ 5.5V 2.7V ~ 5.5V
Product image for MCP25050-I/P by Microchip Technology
MCP25050-I/P
Download Datasheet for MCP25050-I/P
Microchip Technology
28,142
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,142 - -
$1.15
 - - - - 25 MHz 25mA - - ADC, EEPROM, POR, PWM - - - CAN V2.0b No - 0 mm Through Hole - - - Through Hole - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-PDIP - - - - 2.7V ~ 5.5V -
Product image for MCP25050-E/P by Microchip Technology
MCP25050-E/P
Download Datasheet for MCP25050-E/P
Microchip Technology
28,140
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,140 - -
$1.15
 - - - - 25 MHz 25mA - - ADC, EEPROM, POR, PWM - - - CAN V2.0b No - 0.3 mm Through Hole - - - Through Hole - 8 8 -40°C - 4.5V - - Push-Pull - - - - - - 14-PDIP - - - - 4.5V ~ 5.5V -
Product image for MCP25020T-I/SL by Microchip Technology
MCP25020T-I/SL
Download Datasheet for MCP25020T-I/SL
Microchip Technology
28,136
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,136 - -
$1.15
 - - - - 25 MHz 25mA - - EEPROM, POR, PWM - - - CAN V2.0b No - - - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-SOIC - - Tape & Reel (TR) - 2.7V ~ 5.5V -
Product image for MCP25020T-E/SL by Microchip Technology
MCP25020T-E/SL
Download Datasheet for MCP25020T-E/SL
Microchip Technology
28,135
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,135 - -
$1.15
 - - - - 25 MHz 25mA - - EEPROM, POR, PWM - - - CAN V2.0b No - - - - - - Surface Mount - 8 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 4.5V ~ 5.5V -
Product image for MCP25020-I/SL by Microchip Technology
MCP25020-I/SL
Download Datasheet for MCP25020-I/SL
Microchip Technology
28,134
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,134 - -
$1.15
 - - - - 25 MHz 25mA - - EEPROM, POR, PWM - - - CAN V2.0b No - - - - - - Surface Mount - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 2.75V ~ 5.5V -
Product image for MCP25020-I/P by Microchip Technology
MCP25020-I/P
Download Datasheet for MCP25020-I/P
Microchip Technology
28,133
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,133 - -
$1.15
 - - - - 25 MHz 25mA - - EEPROM, POR, PWM - - - CAN V2.0b No - - Through Hole - - - Through Hole - 8 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 14-PDIP - - - - 2.75V ~ 5.5V -
Product image for MCP25020-E/SL by Microchip Technology
MCP25020-E/SL
Download Datasheet for MCP25020-E/SL
Microchip Technology
28,132
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,132 - -
$1.15
 - - - - 25 MHz 25 mA - - EEPROM, POR, PWM - - - CAN V2.0b No - - - - - - Surface Mount - 8 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 14-SOIC - - - - 4.5V ~ 5.5V -
Product image for MCP23018-E/SP by Microchip Technology
MCP23018-E/SP
Download Datasheet for MCP23018-E/SP
Microchip Technology
28,129
Across 2 distributors
Distributor Stock MOQ Country
Hybrid Electronics 25 - -
Smaxon Electronics 28,104 - -
$1.15
 No - No - 3.4 MHz 25mA - - POR - No - I²C Yes - 7.62 mm - - No No Through Hole - 16 - -40°C to 125°C - - - - Open Drain - - - - - - 28-SPDIP - - No - 1.8V to 5.5V -
Product image for MCP23S09T-E/SO by Microchip Technology
MCP23S09T-E/SO
Download Datasheet for MCP23S09T-E/SO
Microchip Technology
28,120
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,120 - -
$1.15
 - - - - 10 MHz 25mA - 4 kV - - - - SPI Yes - - - - - - Surface Mount - 8 8 -40°C ~ 125°C - - - - Open Drain - - - 6 µA - - 18-SOIC - - - - 1.8V ~ 5.5V -
Product image for MCP23018T-E/MJ by Microchip Technology
MCP23018T-E/MJ
Download Datasheet for MCP23018T-E/MJ
Microchip Technology
28,106
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,106 - -
$1.15
 - - - - 10 MHz 25 mA - - POR - - - SPI Yes - - - - - - Surface Mount - 16-Bit - -40°C ~ 125°C - 2.7V to 5.5V - - Open Drain - - - - - - 24-QFN (4x4) 24-QFN (4x4) - No - 1.8V ~ 5.5V -
Product image for STMPE1600QTR by STMicroelectronics
STMPE1600QTR
STMicroelectronics
28,104
Across 4 distributors
Distributor Stock MOQ Country
Romaks Technologies 25,829 - -
Xingangxin 1,600 - -
Smaxon Electronics 675 - -
HK XINYUANXIN ELECTRONIC TECH LIMITED Stock on Request - -
Price on request
 - - - - 400 kHz 4mA - - POR - - - I²C Yes - - No Lead - - - Surface Mount - 16 - -40°C ~ 85°C - - - - Open Drain - - - - Not Present - 24-QFN - - Yes - 1.65V ~ 3.6V -
Product image for MCP23018-E/SO by Microchip Technology
MCP23018-E/SO
Download Datasheet for MCP23018-E/SO
Microchip Technology
28,103
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,103 - -
$1.15
 - - - - 3.4 MHz 25mA - - POR - - - I²C Yes - - Through Hole - - - Surface Mount - 16-bit - -40°C ~ 125°C - - - - Open Drain - - - - - - 28-SOIC 28-SOIC - - - 1.8V to 5.5V -
Product image for MCP23017-E/SP by Microchip Technology
MCP23017-E/SP
Download Datasheet for MCP23017-E/SP
Microchip Technology
28,098
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,098 - -
$1.15
 - - - - 1.7 MHz 25mA - - POR - - - I2C Yes - 7.62 mm - - - - Through Hole - 16 - -40°C ~ 125°C - - - - Push-Pull - - - - - - 28-SPDIP - - - - 1.8V ~ 5.5V -
Product image for MCP23016T-I/SS by Microchip Technology
MCP23016T-I/SS
Download Datasheet for MCP23016T-I/SS
Microchip Technology
28,095
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,095 - -
$1.15
 - - - - 400 kHz 25mA - - POR - - - I2C Yes - 5.30 mm - - - - Surface Mount - 16 - -40°C ~ 85°C - - - - Push-Pull - - - - - - 28-SSOP 28-SSOP - No - 2.0V ~ 5.5V -
Product image for MCP23016-I/SO by Microchip Technology
MCP23016-I/SO
Download Datasheet for MCP23016-I/SO
Microchip Technology
28,090
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,090 - -
$1.15
 - - - - 400 kHz ±25 mA - - POR - - - I2C Yes - - - - - - Surface Mount - 16-bit - -40°C / 85°C - - - - Push-Pull - - - - - - 28-SOIC - - - - 2V / 5.5V -
Product image for MCP23016-I/ML by Microchip Technology
MCP23016-I/ML
Download Datasheet for MCP23016-I/ML
Microchip Technology
28,089
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,089 - -
$1.15
 - - - - 400 kHz 25mA - - Yes - - - I²C Yes - - - - - - Surface Mount - 16 16 -40°C ~ 85°C - - - - Push-Pull - - - - - - 28-QFN (6x6) - - - - 2V ~ 5.5V -
Showing 51-100 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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