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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
TCA9554DBR
TCA9554DBR
Texas Instruments
5,590
Across 2 distributors
Distributor Stock MOQ Country
Optech Co.,Limited 3,660 - -
Smaxon Electronics 1,930 - -
Price on request
5,590
Distributor Stock MOQ Country
Optech Co.,Limited 3,660 - -
Smaxon Electronics 1,930 - -
No - 400 kHz - - - POR - No - I2C Yes - 0.5 mm - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - - - - - 16-SSOP 16-SSOP - - - 1.65V ~ 5.5V -
PCA9555PW,112
PCA9555PW,112
Download Datasheet for PCA9555PW,112
NXP Semiconductors
5,572
Across 4 distributors
Distributor Stock MOQ Country
Flip Electronics 1,268 - -
Bristol Electronics 4 - -
Partservice 1,600 - -
Optech Co.,Limited 2,700 - -
Price on request
5,572
Distributor Stock MOQ Country
Flip Electronics 1,268 - -
Bristol Electronics 4 - -
Partservice 1,600 - -
Optech Co.,Limited 2,700 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - 0.173 mm Through Hole Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-TSSOP 24-TSSOP - - - 2.3V ~ 5.5V -
PCA9673PW,118
PCA9673PW,118
Download Datasheet for PCA9673PW,118
NXP Semiconductors
5,547
Across 2 distributors
Distributor Stock MOQ Country
Braun Electronic Components 547 - -
Risen Electronics 5,000 - -
Price on request
5,547
Distributor Stock MOQ Country
Braun Electronic Components 547 - -
Risen Electronics 5,000 - -
- - 1 MHz 100µA, 25mA - - POR - - - I²C Yes - - - Surface Mount - 16 - [{'min_value': -40, 'max_value': 85, 'unit': '°C', 'display_value': '-40°C ~ 85°C'}] - - - Push-Pull - - - - - 24-TSSOP 24-TSSOP - - - [{'min_value': 2.3, 'max_value': 5.5, 'unit': 'V', 'display_value': '2.3 V to 5.5 V'}] -
PCA9698BS,118
PCA9698BS,118
Download Datasheet for PCA9698BS,118
NXP Semiconductors
5,117
Across 2 distributors
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Bristol Electronics 117 - -
Price on request
5,117
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Bristol Electronics 117 - -
- - 1 MHz 10mA, 25mA - - POR - - - I²C Yes - - - Surface Mount - 40 - -40°C ~ 85°C - - - Open Drain - - - - - 56-HVQFN (8x8) 56-HVQFN (8x8) - - No 2.3V ~ 5.5V -
PCA9554BS,118
PCA9554BS,118
Download Datasheet for PCA9554BS,118
NXP Semiconductors
5,015
Across 2 distributors
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Speed Components Ltd 15 - -
Price on request
5,015
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Speed Components Ltd 15 - -
- - 400 kHz 10mA - - POR - - - I²C, SMBus Yes - 4 mm - Surface Mount - 8 - -40°C - - - Push-Pull - - - - - 16-HVQFN (4x4) 16-HVQFN (4x4) - - - 2.3V -
PCA9500PW,118
PCA9500PW,118
Download Datasheet for PCA9500PW,118
NXP Semiconductors
5,010
Across 2 distributors
Distributor Stock MOQ Country
Fe Components 5,000 - -
Bristol Electronics 10 - -
Price on request
5,010
Distributor Stock MOQ Country
Fe Components 5,000 - -
Bristol Electronics 10 - -
- - 0 Hz ~ 400 kHz 100µA 2 kbit - EEPROM, POR - - - I²C, SMBus No - 4.4 mm - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - 16-TSSOP - - - 16-TSSOP - - - - 2.5 V ~ 3.6 V -
PCA6416AEVJ
PCA6416AEVJ
Download Datasheet for PCA6416AEVJ
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - 3 mm - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-VFBGA (3x3) 24-VFBGA (3x3) - - - 1.65V ~ 5.5V -
PCAL6534EVJ
PCAL6534EVJ
Download Datasheet for PCAL6534EVJ
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 1 MHz - - - POR - - - I²C Yes - - - Surface Mount - 34 - -40°C ~ 85°C - - - Open Drain, Push-Pull - 42-VFBGA - - - 42-VFBGA (2.6x3) - - - - 1.65V ~ 5.5V -
PCA9535APW,118
PCA9535APW,118
Download Datasheet for PCA9535APW,118
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 100 KHz 10 mA, 25 mA - - POR - - - I²C, SMBus Yes - - Through Hole Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - 200 mW - 24-TSSOP - - - - 1.65 V to 5.5 V -
PCA9501PW,118
PCA9501PW,118
Download Datasheet for PCA9501PW,118
NXP Semiconductors
5,000
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Optech Co.,Limited 5,000 - -
No - 400 kHz 100µA, 25mA 2-kbit ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101 Yes - No - I²C, SMBus Yes - 0 mm - Surface Mount - 8-bit - -40°C ~ 85°C - - - Push-Pull - - - - °C ~ °C 20-TSSOP 20-TSSOP - - No 2.5 V ~ 3.6 V -
PCA9500BS,118
PCA9500BS,118
Download Datasheet for PCA9500BS,118
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 400 kHz 100µA, 25mA 2 kbit Exceeds 2000 V HBM, 200 V MM, 1000 V CDM EEPROM, POR - - - I2C, SMBus No - - - Surface Mount - 8-bit - -40°C ~ 85°C - - - Push-Pull - - - - - 16-HVQFN (4x4) 16-HVQFN (4x4) - - - 2.5 V ~ 3.6 V -
PCA9554ABS,118
PCA9554ABS,118
Download Datasheet for PCA9554ABS,118
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 400 kHz 10 mA, 25 mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 - -40°C ~ 85°C - - - Push-Pull - - - - - 16-HVQFN (4x4) 16-HVQFN (4x4) - - - 2.3 V to 5.5 V -
PCA9539PW
PCA9539PW
Burr-Brown Corp
5,000
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Components Technology Group, Inc. 5,000 - -
- - 400 kHz 10mA, 25mA - - POR - - - I2C, SMBus Yes - 4.4 mm - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-TSSOP - - - No 2.3V ~ 5.5V -
PCA9670BS,118
PCA9670BS,118
Download Datasheet for PCA9670BS,118
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 1 MHz 100µA, 25mA - - POR; Manual Reset - - - I2C No - 3 mm - Surface Mount - 8 - -40°C ~ 85°C - - 41 mA Push-Pull - - - 400 mW - 16-HVQFN (3x3) 16-HVQFN (3x3) - - - 2.3V ~ 5.5V -
PCA9538ABSHP
PCA9538ABSHP
Download Datasheet for PCA9538ABSHP
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 100 KHz 10mA, 25mA - - POR - - - I2c, Smbus Yes - - - Surface Mount - 8 - + 85 C - 1.65 V to 5.5 V 25 mA Push-Pull - - - 200 mW - 16-HVQFN (3x3) 16-HVQFN (3x3) - - - 1.65V ~ 5.5V -
PCA9535BS,118
PCA9535BS,118
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-HVQFN (4x4) - - - - 2.3V ~ 5.5V -
MAX7312ATG+T
MAX7312ATG+T
Download Datasheet for MAX7312ATG+T
Analog Devices / Maxim Integrated
5,000
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Components Technology Group, Inc. 5,000 - -
- - 400 kHz 31mA, 43mA - - POR - - - I2C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 125°C - - - Push-Pull - - - - - 24-TQFN (4x4) - - - - 2V ~ 5.5V -
PCA9557BS,118
PCA9557BS,118
Download Datasheet for PCA9557BS,118
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 400 kHz 10mA, 25mA - Exceeds 2000V HBM, 1000V CDM POR - - - I²C, SMBus No - - - Surface Mount - 8-bit - -40°C ~ 85°C - 2.3 V ~ 5.5 V - Open Drain, Push-Pull - - - - - 16-HVQFN (4x4) 16-HVQFN (4x4) - - - 2.3V ~ 5.5V -
PCA9505DGGY
PCA9505DGGY
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 400 kHz 10mA, 15mA - 2 kV POR - - - I2C Yes - 6.1 mm - Surface Mount - 40 - -40°C ~ 85°C - - - Push-Pull - - - 500 mW -40°C ~ 85°C 56-TSSOP - - - No 2.3V ~ 5.5V -
PCAL9539AHF,128
PCAL9539AHF,128
Download Datasheet for PCAL9539AHF,128
NXP Semiconductors
5,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Risen Electronics 5,000 - -
- - 400 kHz [{'nominal': 10, 'unit': 'mA', 'display_value': '10mA'}, {'nominal': 25, 'unit': 'mA', 'display_value': '25mA'}] - - POR - - - I2C Yes - 4 mm - Surface Mount - 16 - [{'min': -40, 'max': 85, 'unit': '°C', 'display_value': '-40°C ~ 85°C'}] - - - Open Drain, Push-Pull - - - - - 24-HWQFN (4x4) - - - - [{'min': 1.65, 'max': 5.5, 'unit': 'V', 'display_value': '1.65V ~ 5.5V'}] -
PCA9539RPW,118
PCA9539RPW,118
Download Datasheet for PCA9539RPW,118
NXP Semiconductors
5,000
From Flip Electronics
Distributor Stock MOQ Country
Flip Electronics 5,000 - -
Price on request
5,000
Distributor Stock MOQ Country
Flip Electronics 5,000 - -
- - 400 kHz 10mA, 25mA - - POR - - - I2C, SMBus Yes - - - Surface Mount - 16 - -40°C - - - Push-Pull - - - - - 24-TSSOP 24-TSSOP - - - 2.3V -
PCA9554BPWJ
PCA9554BPWJ
Download Datasheet for PCA9554BPWJ
NXP Semiconductors
4,698
From Braun Electronic Components
Distributor Stock MOQ Country
Braun Electronic Components 4,698 - -
Price on request
4,698
Distributor Stock MOQ Country
Braun Electronic Components 4,698 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 - -40°C to 85°C - - - Push-Pull - - - - - 16-TSSOP 16-TSSOP - - - 1.65 V to 5.5 V -
TCA9554ADBQR
TCA9554ADBQR
Download Datasheet for TCA9554ADBQR
Texas Instruments
4,634
Across 2 distributors
Distributor Stock MOQ Country
Optech Co.,Limited 2,922 - -
Smaxon Electronics 1,712 - -
Price on request
4,634
Distributor Stock MOQ Country
Optech Co.,Limited 2,922 - -
Smaxon Electronics 1,712 - -
- - 400 kHz - - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 - -40°C - - - Push-Pull - - - - - 16-SSOP - - - - 1.65V -
CS82C55AZ
CS82C55AZ
Renesas
4,600
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Xingangxin 1,000 - -
Price on request
4,600
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Xingangxin 1,000 - -
- - - 2.5mA - - - - - - Parallel No - - J-Lead Surface Mount - 24 24 0°C ~ 70°C - - - Open Drain - - - - - 44-PLCC (16.58x16.58) - - - - 4.5V ~ 5.5V -
TCA9534ADWR
TCA9534ADWR
Texas Instruments
4,534
Across 2 distributors
Distributor Stock MOQ Country
Optech Co.,Limited 2,883 - -
Smaxon Electronics 1,651 - -
Price on request
4,534
Distributor Stock MOQ Country
Optech Co.,Limited 2,883 - -
Smaxon Electronics 1,651 - -
- - 400 kHz - - - - - - - I²C Yes - - - Surface Mount - 8 - -40°C / 85°C - - - Push-Pull - - - - -40°C ~ 85°C 16-SOIC 16-SOIC - - - 1.65V / 5.5V -
XRA1201IG24-F
XRA1201IG24-F
Maxlinear
4,500
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 4,500 - -
Price on request
4,500
Distributor Stock MOQ Country
Components Technology Group, Inc. 4,500 - -
- - 400 kHz - - - - - - - I²C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - - - - - - - 24-TSSOP - - - - 1.65V ~ 3.6V -
FXL6408UMX
FXL6408UMX
Download Datasheet for FXL6408UMX
On Semiconductor
4,462
Across 4 distributors
Distributor Stock MOQ Country
Braun Electronic Components 1,000 - -
Bristol Electronics 36 - -
PROSOFT ELECTRONICS 1,780 - -
Xingangxin 1,646 - -
Price on request
4,462
Distributor Stock MOQ Country
Braun Electronic Components 1,000 - -
Bristol Electronics 36 - -
PROSOFT ELECTRONICS 1,780 - -
Xingangxin 1,646 - -
- - 400 kHz 6mA - - POR - - - I²C Yes - - - Surface Mount - 8 - -40°C / 85°C - - 6 mA Open Drain - - - - - 16-UMLP (1.8x2.6) 16-UMLP (1.8x2.6) - - Tape & Reel 1.65 V / 4 V -
PCF8575DWR
PCF8575DWR
Texas Instruments
4,453
Across 2 distributors
Distributor Stock MOQ Country
Xingangxin 2,810 - -
Smaxon Electronics 1,643 - -
Price on request
4,453
Distributor Stock MOQ Country
Xingangxin 2,810 - -
Smaxon Electronics 1,643 - -
- - 400 kHz 1mA, 25mA - - POR - - - I2C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-SOIC - - - - 2.5V ~ 5.5V -
PCA9535EMTTXG
PCA9535EMTTXG
On Semiconductor
4,376
Across 4 distributors
Distributor Stock MOQ Country
Braun Electronic Components 1,000 - -
Speed Components Ltd 66 - -
PROSOFT ELECTRONICS 500 - -
Xingangxin 2,810 - -
Price on request
4,376
Distributor Stock MOQ Country
Braun Electronic Components 1,000 - -
Speed Components Ltd 66 - -
PROSOFT ELECTRONICS 500 - -
Xingangxin 2,810 - -
- - 100 kHz 10mA, 25mA - - POR - - - I2C, SMBus Yes - - - Surface Mount - 16 - -55°C / +125°C - - 50 mA Push-Pull - - - - - 24-QFN (4x4) - - - - 1.65 V to 5.5 V -
TCA1116PWR
TCA1116PWR
Texas Instruments
4,158
Across 2 distributors
Distributor Stock MOQ Country
Optech Co.,Limited 3,770 - -
Smaxon Electronics 388 - -
Price on request
4,158
Distributor Stock MOQ Country
Optech Co.,Limited 3,770 - -
Smaxon Electronics 388 - -
- - 400 kHz - - - POR - - - I²C Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-TSSOP 24-TSSOP - - - 1.65V ~ 5.5V -
PCA9538PW,112
PCA9538PW,112
Download Datasheet for PCA9538PW,112
NXP Semiconductors
4,135
From Husky International Electronic
Distributor Stock MOQ Country
Husky International Electronic 4,135 - -
Price on request
4,135
Distributor Stock MOQ Country
Husky International Electronic 4,135 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8 8 -40°C ~ 85°C - - - Push-Pull - - - - - 16-TSSOP - - - - 2.3V ~ 5.5V -
PCF8575TS/1,118
PCF8575TS/1,118
Download Datasheet for PCF8575TS/1,118
NXP Semiconductors
4,041
Across 5 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2 - -
Fe Components 2,000 - -
Braun Electronic Components 21 - -
MW.FEP S.p.A. 18 - -
Risen Electronics 2,000 - -
Price on request
4,041
Distributor Stock MOQ Country
Components Technology Group, Inc. 2 - -
Fe Components 2,000 - -
Braun Electronic Components 21 - -
MW.FEP S.p.A. 18 - -
Risen Electronics 2,000 - -
- - 400 kbits/s 10μA - - High Current - - - I²C Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-SSOP - - - - 2.5V to 5.5V -
PCAL6524EVJ
PCAL6524EVJ
NXP Semiconductors
4,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 4,000 - -
Price on request
4,000
Distributor Stock MOQ Country
Risen Electronics 4,000 - -
- - 1 MHz - - - POR - - - I²C Yes - 2.6 mm - Surface Mount - 24 - -40°C ~ 85°C - - - Open Drain, Push-Pull - - - - - 36-VFBGA (2.6x2.6) 36-VFBGA (2.6x2.6) - - - 1.65V ~ 5.5V -
PCA9557D,118
PCA9557D,118
Download Datasheet for PCA9557D,118
NXP Semiconductors
4,000
From Risen Electronics
Distributor Stock MOQ Country
Risen Electronics 4,000 - -
Price on request
4,000
Distributor Stock MOQ Country
Risen Electronics 4,000 - -
- - 400 kHz 10mA - Exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101 POR - - - I²C, SMBus No - - - Surface Mount - 8-bit - -40°C ~ 85°C - - - Open Drain, Push-Pull - - - - - 16-SO - - - - 2.3 V ~ 5.5 V -
CP82C55A
CP82C55A
Intersil
3,990
Across 4 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
ACK ELEKTRONIK 264 - -
Partservice 14 - -
Xingangxin 112 - -
Price on request
3,990
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
ACK ELEKTRONIK 264 - -
Partservice 14 - -
Xingangxin 112 - -
- - - 2.5mA - - - - - - Parallel No - 15.24 mm - Through Hole - 24 - 0°C ~ 70°C - - - Open Drain - - - - - 40-PDIP - - - - 4.5V ~ 5.5V -
PCA9535DBR
PCA9535DBR
Texas Instruments
3,966
Across 2 distributors
Distributor Stock MOQ Country
Xingangxin 2,645 - -
Smaxon Electronics 1,321 - -
Price on request
3,966
Distributor Stock MOQ Country
Xingangxin 2,645 - -
Smaxon Electronics 1,321 - -
- - 400 kHz 10mA, 25mA - Exceeds JESD 22 POR; Configuration registers, Interrupt pin - - - I2C, SMBus Yes Exceeds 100 mA 5.3 mm - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-SSOP - - - - 2.3 V ~ 5.5 V -
PCA9557PW
PCA9557PW
Texas Instruments
3,620
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,500 - -
Speed Components Ltd 120 - -
Price on request
3,620
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,500 - -
Speed Components Ltd 120 - -
- - 400 kHz 10mA, 25mA - - POR - - - I2C, SMBus No - - - Surface Mount - 8-bit - -40°C ~ 85°C - - - Open Drain, Push-Pull - - - - - 16-TSSOP - - - - 2.3V ~ 5.5V -
XRA1201PIL24-F
XRA1201PIL24-F
Maxlinear
3,600
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Price on request
3,600
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
- - 400 kHz - - - - - - - I²C, SMBus Yes - 4 mm - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - - 24-QFN (4x4) 24-QFN (4x4) - - - 1.65V ~ 3.6V -
ID82C55A
ID82C55A
Renesas
3,600
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Price on request
3,600
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
- - - 2.5mA - - - - - - Parallel No - 15.24 mm - Through Hole - 24 24 -40°C - 4.5 V - Open Drain - - - - - 40-Cerdip - 2.5mA - - 4.5V ~ 5.5V -
XRA1201PIG24-F
XRA1201PIG24-F
Maxlinear
3,600
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Price on request
3,600
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
- - 400 kHz - - - - - - - I²C, SMBus Yes - 4.4 mm - Surface Mount - 16 - -40°C ~ 85°C - - - Open Drain - - - - - 24-TSSOP 24-TSSOP - - No 1.65V ~ 3.6V -
PCF8574ANE4
PCF8574ANE4
Texas Instruments
3,600
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Price on request
3,600
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
- - - - - - - - - - I2C/SMBus - Exceeds 100 mA - - Through Hole 8 - - -40 to 85 °C - 2.5 to 5.5 V - - - - - - - - - - - - - -
IP82C55A
IP82C55A
Renesas
3,600
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Price on request
3,600
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
- - - 2.5mA - - - - - - Parallel No - 15.24 mm - Through Hole - 24 - -40°C ~ 85°C - - - Open Drain - - - - - 40-PDIP 40-PDIP - - - 4.5V ~ 5.5V -
PCA9501PW
PCA9501PW
NXP Semiconductors
3,600
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Price on request
3,600
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
No - - - - - - - No - - - - - - - - - - - - - - - - - - - °C ~ °C - - - - No - -
SX1503I091TRT
SX1503I091TRT
Download Datasheet for SX1503I091TRT
Semtech
3,542
Across 2 distributors
Distributor Stock MOQ Country
Braun Electronic Components 121 - -
Xingangxin 3,421 - -
Price on request
3,542
Distributor Stock MOQ Country
Braun Electronic Components 121 - -
Xingangxin 3,421 - -
- - 400 kHz 8mA, 24mA - - POR - - - I²C Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Push-Pull - - - - °C ~ °C 28-QFN-UT (4x4) - - - No 1.2V ~ 5.5V -
IS82C55A
IS82C55A
Download Datasheet for IS82C55A
Harris Semiconductor
3,500
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,500 - -
Price on request
3,500
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,500 - -
- - - - - - - - - - - Yes - 16.58 mm - Surface Mount - 24 - -40°C ~ 85°C - - - - - - - - - 44-PLCC (16.58x16.58) - - - - 4.5V ~ 5.5V -
XRA1201IL24-F
XRA1201IL24-F
Maxlinear
3,500
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,500 - -
Price on request
3,500
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,500 - -
No - 400 kHz - - - - - No - I2C, SMBus Yes - - - Surface Mount - 16 - -40°C ~ 85°C - - - Open Drain - - - - -40°C ~ 85°C 24-QFN (4x4) - - - No 1.65V ~ 3.6V -
TCA9554APWR
TCA9554APWR
Texas Instruments
3,497
Across 2 distributors
Distributor Stock MOQ Country
PROSOFT ELECTRONICS 76 - -
Xingangxin 3,421 - -
Price on request
3,497
Distributor Stock MOQ Country
PROSOFT ELECTRONICS 76 - -
Xingangxin 3,421 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - - - Surface Mount - 8-bit - -40°C ~ 85°C - - - Push-Pull - - 2000 - - 16-TSSOP - - - - 1.65V ~ 5.5V -
MCP23008T-E/ML
MCP23008T-E/ML
Download Datasheet for MCP23008T-E/ML
Microchip Technology
3,316
Across 2 distributors
Distributor Stock MOQ Country
Braun Electronic Components 2 - -
Xingangxin 3,314 - -
Price on request
3,316
Distributor Stock MOQ Country
Braun Electronic Components 2 - -
Xingangxin 3,314 - -
- - 1.7 MHz 25mA - - POR - - - I²C Yes - 4 mm - Surface Mount - 8 - -40°C ~ 125°C - - - Push-Pull - - - - - 20-QFN (4x4) - - - - 1.8V ~ 5.5V -
TCA9554PWR
TCA9554PWR
Texas Instruments
3,250
From Xingangxin
Distributor Stock MOQ Country
Xingangxin 3,250 - -
Price on request
3,250
Distributor Stock MOQ Country
Xingangxin 3,250 - -
- - 400 kHz 10mA, 25mA - - POR - - - I²C, SMBus Yes - 4.40 mm - Surface Mount - 8 - -40°C / 85°C - - - Push-Pull - - - - - 16-TSSOP - - - No 1.65V / 5.5V -
PCA9555PW,118
PCA9555PW,118
Download Datasheet for PCA9555PW,118
NXP Semiconductors
3,221
Across 3 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2 - -
Braun Electronic Components 3,177 - -
Bristol Electronics 42 - -
Price on request
3,221
Distributor Stock MOQ Country
Components Technology Group, Inc. 2 - -
Braun Electronic Components 3,177 - -
Bristol Electronics 42 - -
- - 400 kHz 10mA, 25mA - Exceeds 2000 V HBM POR - - - I2C-bus/SMBus Active LOW - - - SMD/SMT - 16 - + 85 C °C - 2.3 V to 5.5 V 50 mA Push-Pull 1.7 V to 4.1 V - - 200 mW - 24-TSSOP - - - - 2.3V ~ 5.5V -
Showing 201-250 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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