I/O Expanders
Browse available I/O Expanders components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Number of I/O | Interface | Interrupt Output | Features | Output Type | Current - Output Source/Sink | Clock Frequency | Voltage - Supply | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MCP23018-E/SPIC XPNDR 3.4MHZ I2C 28SDIP |
976 | - |
|
Datasheet | - | 28-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Open Drain | 25mA | 3.4 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 28-SPDIP |
|
MCP23016T-I/SOIC XPNDR 400KHZ I2C 28SOIC |
148 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 28-SOIC |
|
PCA9535AHF,128IC XPND 400KHZ I2C SMBUS 24HWQFN |
20,442 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HWQFN (4x4) |
|
|
MCP23S18T-E/SOIC XPNDR 10MHZ SPI 28SOIC |
4,580 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | SPI | Yes | - | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SOIC |
|
|
MCP23S18-E/SOIC XPNDR 10MHZ SPI 28SOIC |
231 |
1+：$2.15000 25+：$1.80000 100+：$1.63000 |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 16 | SPI | Yes | - | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SOIC |
|
PI4IOE5V9535LEXIC XPNDR 400KHZ I2C 24TSSOP |
11,281 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
|
PCA9535CHF,118IC XPND 400KHZ I2C SMBUS 24HWQFN |
5,384 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HWQFN (4x4) |
|
PCA9535PW,112IC XPND 400KHZ I2C SMBUS 24TSSOP |
842 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Last Time Buy | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
PCA9535D,112IC XPNDR 400KHZ I2C SMBUS 24SO |
217 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SO |
|
PI4IOE5V9539ZDEXIC XPNDR 400KHZ I2C 24TQFN |
8,480 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
MCP23018-E/SSIC XPNDR 3.4MHZ I2C 24SSOP |
1,451 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Open Drain | 25mA | 3.4 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SSOP |
|
|
MCP23016-I/SPIC XPNDR 400KHZ I2C 28SDIP |
466 |
1+：$2.24000 25+：$1.86000 100+：$1.80000 |
|
Datasheet | - | 28-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 28-SPDIP |
|
|
MCP23S18-E/SPIC XPNDR 10MHZ SPI 28SDIP |
375 | - |
|
Datasheet | - | 28-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 16 | SPI | Yes | - | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 28-SPDIP |
|
PCA8575BS,118IC XPNDR 400KHZ I2C 24HVQFN |
11,829 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HVQFN (4x4) |
|
|
XRA1403IL24-FIC XPNDR 26MHZ SPI 24QFN |
11,203 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tray | Not For New Designs | Not Verified | 16 | SPI | Yes | - | Push-Pull | - | 26 MHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN (4x4) |
|
PCA9554PWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
4,571 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
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PI4IOE5V6416LEXIC XPNDR 400KHZ I2C 24TSSOP |
16,348 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
|
PI4IOE5V9555ZDEXIC XPNDR 400KHZ I2C 24TQFN |
10,500 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
|
PCA9502BS,128IC XPNDR 400KHZ I2C SPI 24HVQFN |
5,082 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SPI | Yes | - | Push-Pull | - | 400 kHz | 2.3V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-HVQFN (4x4) |
|
PCA9501PW,118IC XPND 400KHZ I2C SMBUS 20TSSOP |
6,106 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | EEPROM | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
I/O Expanders FAQ
What I/O Expanders components can I source from EGOO?
You can browse available I/O Expanders product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete I/O Expanders parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.
