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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9500BS,118IC XPND 400KHZ I2C SMBUS 16HVQFN |
32,894 | - |
|
Datasheet | - | 16-VQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | No | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (4x4) |
|
PCA9500PW,118IC XPND 400KHZ I2C SMBUS 16TSSOP |
20,306 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | No | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCAL9535AHF,128IC XPNDR 400KHZ I2C 24HWQFN |
10,042 | - |
|
Datasheet | Agile | 24-WFQFN Exposed Pad | 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-HWQFN (4x4) |
|
PCAL9539APW,118IC XPND 400KHZ I2C SMBUS 24TSSOP |
572 | - |
|
Datasheet | Agile | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
PCF8575TS/1,118IC XPNDR 400KHZ I2C 24SSOP |
5,551 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
|
|
PCF8575TS/1,112IC XPNDR 400KHZ I2C 24SSOP |
4,309 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
|
|
PCA9555DB,118IC XPNDR 400KHZ I2C SMBUS 24SSOP |
888 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | 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-SSOP |
|
PCF8575DWRIC XPNDR 400KHZ I2C SMBUS 24SOIC |
3,012 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SOIC |
|
PCA9539PWRIC XPND 400KHZ I2C SMBUS 24TSSOP |
3,575 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | 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 |
|
PCAL6534EVJIC XPNDR 1MHZ I2C 42VFBGA |
3,941 | - |
|
Datasheet | Agile | 42-VFBGA | Tape & Reel (TR) | Active | Not Verified | 34 | I2C | Yes | POR | Open Drain, Push-Pull | - | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 42-VFBGA (2.6x3) |
|
PCF8575DBRIC XPNDR 400KHZ I2C SMBUS 24SSOP |
2,874 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
|
PI4IOE5V6416RQ2LEXIC XPNDR 400KHZ I2C 24TSSOP |
33,000 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Open Drain, Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 105°C | Automotive | AEC-Q100 | Surface Mount | 24-TSSOP |
|
SX1509BIULTRTIC XPNDR 400KHZ I2C 28QFN |
62,070 | - |
|
Datasheet | - | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | Keypad Controller, LED Output, POR | Open Drain, Push-Pull | 8mA, 15mA | 400 kHz | 1.425V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
PI4IOE5V96248ZLEXIC XPNDR 1MHZ I2C 56TQFN |
1,197 | - |
|
Datasheet | - | 56-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 48 | I2C | Yes | - | Push-Pull | 42mA, 480µA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 56-TQFN (7x7) |
|
PI4IOE5V6534Q2ZLWEXIC XPNDR 100KHZ I2C 46QFN |
4,539 | - |
|
Datasheet | - | 46-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 34 | I2C | Yes | - | - | 10mA, 10mA | 100 kHz | 1.65V ~ 5.5V | -40°C ~ 105°C | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | W-QFN4565-46 (SWP) |
|
DS4520E+TRLIC XPNDR 400KHZ I2C 16TSSOP |
21,890 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 9 | I2C | No | EEPROM, POR | Open Drain | 12mA | 400 kHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
ADP5587ACBZ-R7IC XPNDR 400KHZ I2C 25WLCSP |
1,018 | - |
|
Datasheet | - | 25-UFBGA, WLCSP | Tape & Reel (TR) | Active | Not Verified | 18 | I2C | Yes | Keypad Controller, POR | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 25-WLCSP (1.97x1.97) |
|
|
SX1509QBIULTRTIC XPNDR 400KHZ I2C 28QFN |
25,691 | - |
|
Datasheet | - | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | Keypad Controller, LED Output, POR | Open Drain, Push-Pull | 8mA, 15mA | 400 kHz | 1.425V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
MAX7321ATE+IC XPNDR 400KHZ I2C 16TQFN |
2,072 | - |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tube | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain, Push-Pull | 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
|
MAX7321ATE+TIC XPNDR 400KHZ I2C 16TQFN |
19,343 | - |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain, Push-Pull | 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
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.
