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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

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
MCP23S17T-E/SS
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 - -
Price on request
37,770
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 - -
- - 10 MHz 25mA - - - - - - SPI Yes - - - Surface Mount - 16 - -40°C ~ 125°C - - - Push-Pull - - - - - 28-SSOP 28-SSOP - - - 1.8V ~ 5.5V -
PCF8574RGTR
PCF8574RGTR
Texas Instruments
37,743
Across 3 distributors
Distributor Stock MOQ Country
Fe Components 1,495 - -
Romaks Technologies 36,160 - -
Akira Global 88 - -
Price on request
37,743
Distributor Stock MOQ Country
Fe Components 1,495 - -
Romaks Technologies 36,160 - -
Akira Global 88 - -
- - 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 -
MCP23S18-E/MJ
MCP23S18-E/MJ
Download Datasheet for MCP23S18-E/MJ
Microchip Technology
37,294
Across 3 distributors
Distributor Stock MOQ Country
Fe Components 5,500 - -
Xingangxin 3,667 - -
Smaxon Electronics 28,127 - -
Price on request
37,294
Distributor Stock MOQ Country
Fe Components 5,500 - -
Xingangxin 3,667 - -
Smaxon Electronics 28,127 - -
- - 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 -
MCP23S08T-E/SS
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 - -
Price on request
36,536
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Xingangxin 3,421 - -
Smaxon Electronics 28,115 - -
No - 10 MHz 25mA - - POR - No - SPI Yes - - - Surface Mount - 8 - -40°C ~ 125°C - - - Push-Pull - - - - - 20-SSOP - - - - 1.8V ~ 5.5V -
PCA9534DW
PCA9534DW
Texas Instruments
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
Price on request
36,160
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - - - - - 16-SOIC - - - - 2.3V to 5.5V -
MAX7310ATE
MAX7310ATE
Analog Devices / Maxim Integrated
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
Price on request
36,160
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
- - 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 -
PCA9555RGERG4
PCA9555RGERG4
Texas Instruments
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
Price on request
36,160
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
- - 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 -
TCA9554DBQR
TCA9554DBQR
Texas Instruments
36,160
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
Price on request
36,160
Distributor Stock MOQ Country
Romaks Technologies 36,160 - -
- - 400 kHz - - - POR - - - I²C Yes - - - Surface Mount - 8 - -40°C - - - Push-Pull - 16-SSOP (0.154", 3.90mm Width) - - - 16-SSOP - - - - 1.65V -
PCA9555DBR
PCA9555DBR
Texas Instruments
36,057
Across 2 distributors
Distributor Stock MOQ Country
Romaks Technologies 32,057 - -
Smaxon Electronics 4,000 - -
Price on request
36,057
Distributor Stock MOQ Country
Romaks Technologies 32,057 - -
Smaxon Electronics 4,000 - -
No - 400 kHz 10mA, 25mA - - POR - No - I²C, SMBus Yes - 0.209 mm - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-SSOP - - - - 2.3V ~ 5.5V -
PCF8575PWR
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 - -
Price on request
36,011
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,500 - -
Romaks Technologies 25,829 - -
Xingangxin 7,386 - -
Smaxon Electronics 296 - -
No - 400 kHz 1mA - - POR - No - I2C, SMBus Yes - - - Surface Mount - 16 - -40°C -40 to 85°C 2.5V - Push-Pull - 24-TSSOP - - - 24-TSSOP - - - - 2.5V ~ 5.5V -
PCA9511ADP,118
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 - -
Price on request
35,601
Distributor Stock MOQ Country
Braun Electronic Components 1 - -
Flip Electronics 33,929 - -
Bristol Electronics 1,670 - -
RAD 1 - -
- I²C - Hotswap 400 kHz 6 mA - 2000 V - - - - - - - - - Surface Mount 1 - - -40°C - - - - - - - - - 8-TSSOP 8-TSSOP - 2.7 V - 2.7 V -
MIC74YQS-TR
MIC74YQS-TR
Download Datasheet for MIC74YQS-TR
Microchip Technology
34,662
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 34,662 - -
Price on request
34,662
Distributor Stock MOQ Country
Smaxon Electronics 34,662 - -
- - 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 -
MIC74YQS
MIC74YQS
Download Datasheet for MIC74YQS
Microchip Technology
34,661
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 34,661 - -
Price on request
34,661
Distributor Stock MOQ Country
Smaxon Electronics 34,661 - -
- - 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 -
PCF8575RGER
PCF8575RGER
Texas Instruments
33,582
Across 3 distributors
Distributor Stock MOQ Country
Romaks Technologies 27,815 - -
Optech Co.,Limited 3,025 - -
Xingangxin 2,742 - -
Price on request
33,582
Distributor Stock MOQ Country
Romaks Technologies 27,815 - -
Optech Co.,Limited 3,025 - -
Xingangxin 2,742 - -
- - 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 -
TCA9534PWR
TCA9534PWR
Texas Instruments
32,706
Across 6 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 - -
Price on request
32,706
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 - -
No - 400 kHz 10mA - - - - No - I2C Yes - - - Surface Mount - 8 - -40°C - - - Push-Pull - - - - - 16-TSSOP - - - - 1.65V -
MAX7317AEE+T
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 - -
Price on request
31,178
Distributor Stock MOQ Country
Speed Components Ltd 6 - -
Romaks Technologies 31,172 - -
- - - 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 -
PCA9554PW
PCA9554PW
Texas Instruments
31,000
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 31,000 - -
Price on request
31,000
Distributor Stock MOQ Country
Components Technology Group, Inc. 31,000 - -
- - 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 -
TCA6424ARGJR
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 - -
Price on request
30,702
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 - -
- - 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 -
MAX7311AAG+
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 - -
Price on request
30,168
Distributor Stock MOQ Country
MW.FEP S.p.A. 35 - -
Romaks Technologies 30,133 - -
- - 400 kHz 31mA, 43mA - - POR - - - I2C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 125°C - - - Push-Pull - - - - - 24-SSOP 24-SSOP - - - 2V ~ 5.5V -
MAX7317AEE
MAX7317AEE
Analog Devices / Maxim Integrated
30,133
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 30,133 - -
Price on request
30,133
Distributor Stock MOQ Country
Romaks Technologies 30,133 - -
- - - 20mA - - POR - - - SPI No - - - Surface Mount - 10 - -40°C ~ 125°C - - - Open Drain - - - - - 16-QSOP - - - - 2.25V ~ 3.6V -
PCA9539DB
PCA9539DB
Texas Instruments
30,133
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 30,133 - -
Price on request
30,133
Distributor Stock MOQ Country
Romaks Technologies 30,133 - -
- - 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 -
MCP23S17-E/ML
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
29,867
Distributor Stock MOQ Country
Tomark Electronics Ltd 45 - -
Bristol Electronics 5 - -
Xingangxin 1,696 - -
Smaxon Electronics 28,121 - -
- - 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 -
MCP23S08-E/ML
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 - -
Price on request
29,437
Distributor Stock MOQ Country
Bristol Electronics 7 - -
Xingangxin 1,321 - -
Smaxon Electronics 28,109 - -
- - 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 -
MCP23S08T-E/ML
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 - -
Price on request
29,239
Distributor Stock MOQ Country
Bristol Electronics 25 - -
Xingangxin 1,101 - -
Smaxon Electronics 28,113 - -
- - 10 MHz 25mA - - POR - - - SPI Yes - - - Surface Mount - 8 - -40°C ~ 125°C - - - Push-Pull - - - - - 20-QFN (4x4) - - - - 1.8V ~ 5.5V -
TCA9555RGER
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 - -
Price on request
29,050
Distributor Stock MOQ Country
Braun Electronic Components 12,000 - -
MW.FEP S.p.A. 12,000 - -
Xingangxin 5,050 - -
No - 400 kHz 10mA, 25mA - - POR - No - I²C, SMBus Yes - - - Surface Mount - 16 - -40°C to 85°C - - - Push-Pull - - - - - 24-VQFN (4x4) 24-VQFN (4x4) - - - 1.65V to 5.5V -
MCP25050-E/SL
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 - -
Price on request
28,277
Distributor Stock MOQ Country
Hybrid Electronics 136 - -
Smaxon Electronics 28,141 - -
- - 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 -
MCP23S09-E/SO
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 - -
Price on request
28,160
Distributor Stock MOQ Country
Hybrid Electronics 42 - -
Smaxon Electronics 28,118 - -
- - 10 MHz 25mA - - - - - - SPI Yes - - - Surface Mount - 8 - -40°C - 1.8V - Open Drain - - - - - 18-SOIC - - - - 1.8V ~ 5.5V -
MCP25055T-I/SL
MCP25055T-I/SL
Download Datasheet for MCP25055T-I/SL
Microchip Technology
28,148
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,148 - -
Price on request
28,148
Distributor Stock MOQ Country
Smaxon Electronics 28,148 - -
- - 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 -
MCP25055-I/SL
MCP25055-I/SL
Download Datasheet for MCP25055-I/SL
Microchip Technology
28,147
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,147 - -
Price on request
28,147
Distributor Stock MOQ Country
Smaxon Electronics 28,147 - -
- - 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
MCP25055-I/P
MCP25055-I/P
Download Datasheet for MCP25055-I/P
Microchip Technology
28,146
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,146 - -
Price on request
28,146
Distributor Stock MOQ Country
Smaxon Electronics 28,146 - -
- - 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 -
MCP25050T-I/SL
MCP25050T-I/SL
Download Datasheet for MCP25050T-I/SL
Microchip Technology
28,145
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,145 - -
Price on request
28,145
Distributor Stock MOQ Country
Smaxon Electronics 28,145 - -
- - 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 -
MCP25050T-E/SL
MCP25050T-E/SL
Download Datasheet for MCP25050T-E/SL
Microchip Technology
28,144
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,144 - -
Price on request
28,144
Distributor Stock MOQ Country
Smaxon Electronics 28,144 - -
- - 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 -
MCP25050-I/SL
MCP25050-I/SL
Download Datasheet for MCP25050-I/SL
Microchip Technology
28,143
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,143 - -
Price on request
28,143
Distributor Stock MOQ Country
Smaxon Electronics 28,143 - -
- - 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
MCP25050-I/P
MCP25050-I/P
Download Datasheet for MCP25050-I/P
Microchip Technology
28,142
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,142 - -
Price on request
28,142
Distributor Stock MOQ Country
Smaxon Electronics 28,142 - -
- - 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 -
MCP25050-E/P
MCP25050-E/P
Download Datasheet for MCP25050-E/P
Microchip Technology
28,140
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,140 - -
Price on request
28,140
Distributor Stock MOQ Country
Smaxon Electronics 28,140 - -
- - 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 -
MCP25020T-I/SL
MCP25020T-I/SL
Download Datasheet for MCP25020T-I/SL
Microchip Technology
28,136
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,136 - -
Price on request
28,136
Distributor Stock MOQ Country
Smaxon Electronics 28,136 - -
- - 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 -
MCP25020T-E/SL
MCP25020T-E/SL
Download Datasheet for MCP25020T-E/SL
Microchip Technology
28,135
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,135 - -
Price on request
28,135
Distributor Stock MOQ Country
Smaxon Electronics 28,135 - -
- - 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 -
MCP25020-I/SL
MCP25020-I/SL
Download Datasheet for MCP25020-I/SL
Microchip Technology
28,134
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,134 - -
Price on request
28,134
Distributor Stock MOQ Country
Smaxon Electronics 28,134 - -
- - 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 -
MCP25020-I/P
MCP25020-I/P
Download Datasheet for MCP25020-I/P
Microchip Technology
28,133
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,133 - -
Price on request
28,133
Distributor Stock MOQ Country
Smaxon Electronics 28,133 - -
- - 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 -
MCP25020-E/SL
MCP25020-E/SL
Download Datasheet for MCP25020-E/SL
Microchip Technology
28,132
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,132 - -
Price on request
28,132
Distributor Stock MOQ Country
Smaxon Electronics 28,132 - -
- - 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 -
MCP23018-E/SP
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 - -
Price on request
28,129
Distributor Stock MOQ Country
Hybrid Electronics 25 - -
Smaxon Electronics 28,104 - -
No - 3.4 MHz 25mA - - POR - No - I²C Yes - 7.62 mm - Through Hole - 16 - -40°C to 125°C - - - Open Drain - - - - - 28-SPDIP - - - No 1.8V to 5.5V -
MCP23S09T-E/SO
MCP23S09T-E/SO
Download Datasheet for MCP23S09T-E/SO
Microchip Technology
28,120
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,120 - -
Price on request
28,120
Distributor Stock MOQ Country
Smaxon Electronics 28,120 - -
- - 10 MHz 25mA - 4 kV - - - - SPI Yes - - - Surface Mount - 8 8 -40°C ~ 125°C - - - Open Drain - - - - - 18-SOIC - - - - 1.8V ~ 5.5V -
MCP23018T-E/MJ
MCP23018T-E/MJ
Download Datasheet for MCP23018T-E/MJ
Microchip Technology
28,106
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,106 - -
Price on request
28,106
Distributor Stock MOQ Country
Smaxon Electronics 28,106 - -
- - 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 -
MCP23018-E/SO
MCP23018-E/SO
Download Datasheet for MCP23018-E/SO
Microchip Technology
28,103
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,103 - -
Price on request
28,103
Distributor Stock MOQ Country
Smaxon Electronics 28,103 - -
- - 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 -
MCP23017-E/SP
MCP23017-E/SP
Download Datasheet for MCP23017-E/SP
Microchip Technology
28,098
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,098 - -
Price on request
28,098
Distributor Stock MOQ Country
Smaxon Electronics 28,098 - -
- - 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 -
MCP23016T-I/SS
MCP23016T-I/SS
Download Datasheet for MCP23016T-I/SS
Microchip Technology
28,095
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,095 - -
Price on request
28,095
Distributor Stock MOQ Country
Smaxon Electronics 28,095 - -
- - 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 -
MCP23016-I/SO
MCP23016-I/SO
Download Datasheet for MCP23016-I/SO
Microchip Technology
28,090
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,090 - -
Price on request
28,090
Distributor Stock MOQ Country
Smaxon Electronics 28,090 - -
- - 400 kHz ±25 mA - - POR - - - I2C Yes - - - Surface Mount - 16-bit - -40°C / 85°C - - - Push-Pull - - - - - 28-SOIC - - - - 2V / 5.5V -
MCP23016-I/ML
MCP23016-I/ML
Download Datasheet for MCP23016-I/ML
Microchip Technology
28,089
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,089 - -
Price on request
28,089
Distributor Stock MOQ Country
Smaxon Electronics 28,089 - -
- - 400 kHz 25mA - - Yes - - - I²C Yes - - - Surface Mount - 16 16 -40°C ~ 85°C - - - Push-Pull - - - - - 28-QFN (6x6) - - - - 2V ~ 5.5V -
MCP23008-E/P
MCP23008-E/P
Download Datasheet for MCP23008-E/P
Microchip Technology
28,080
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 28,080 - -
Price on request
28,080
Distributor Stock MOQ Country
Smaxon Electronics 28,080 - -
No - 1.7 MHz 25mA - - POR - No - I²C Yes - - - Through Hole - 8 - -40°C ~ 125°C - - - Push-Pull - - - - - 18-PDIP 18-PDIP - - No 1.8V ~ 5.5V -
PCA9534ARGTR
PCA9534ARGTR
Texas Instruments
26,826
Across 4 distributors
Distributor Stock MOQ Country
Braun Electronic Components 7,413 - -
MW.FEP S.p.A. 7,413 - -
Xingangxin 2,000 - -
Smaxon Electronics 10,000 - -
Price on request
26,826
Distributor Stock MOQ Country
Braun Electronic Components 7,413 - -
MW.FEP S.p.A. 7,413 - -
Xingangxin 2,000 - -
Smaxon Electronics 10,000 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 - -40°C ~ 85°C - - - Open-Drain - - 3000 - - 16-VQFN (3x3) - - - - 2.3 V to 5.5 V -
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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