I/O Expanders
Explore I/O Expanders parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PCA9675PW/S911,118IC XPNDR 1MHZ I2C 24TSSOP |
3,361 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
PCA9698DGG/S911,51IC XPNDR 1MHZ I2C 56TSSOP |
1,645 |
|
Datasheet | - | 56-TFSOP (0.240", 6.10mm Width) | Tape & Reel (TR) | Active | Not Verified | 40 | I2C | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 56-TSSOP |
|
PCA9702PW,112IC XPNDR 5MHZ SPI SERIAL 16TSSOP |
1,143 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TSSOP |
|
PCA9557D/DG,118IC XPNDR 400KHZ I2C SMBUS 16SO |
3,781 |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | No | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
SX1501I087TRTIC XPNDR 400KHZ I2C 20QFN |
2,476 |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 4 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 1.2V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
|
SX1504I087TRTIC XPNDR 400KHZ I2C 20QFN |
4,036 |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 4 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
CAT9555HV6I-GT2IC XPNDR 400KHZ I2C SMBUS 24TQFN |
3,756 |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
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PCA9703PW,112IC XPNDR 5MHZ SPI SERIAL 24TSSOP |
1,669 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 16 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 4.5V ~ 5.5V | - | - | - | Surface Mount | 24-TSSOP |
|
CAT9555HT6I-GT2IC XPNDR 400KHZ I2C SMBUS 24TQFN |
4,081 |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
|
CAT9555HV6I-GIC XPNDR 400KHZ I2C SMBUS 24TQFN |
2,397 |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
BU8272GUW-E2IC XPNDR 400KHZ I2C 35VBGA |
2,740 |
|
Datasheet | - | 35-VFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 20 | I2C | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 1.95V | -25°C ~ 85°C | - | - | Surface Mount | VBGA035W040 |
|
XRA1200IG16-FIC XPND 400KHZ I2C SMBUS 16TSSOP |
1,513 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
|
XRA1201IL24-FIC XPNDR 400KHZ I2C SMBUS 24QFN |
2,345 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tray | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN (4x4) |
|
XRA1201PIG24-FIC XPND 400KHZ I2C SMBUS 24TSSOP |
2,187 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
|
XRA1202IG16-FIC XPND 400KHZ I2C SMBUS 16TSSOP |
2,898 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
XRA1202IL16-FIC XPNDR 400KHZ I2C SMBUS 16QFN |
2,932 |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tray | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QFN (3x3) |
|
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XRA1203IG24-FIC XPND 400KHZ I2C SMBUS 24TSSOP |
4,968 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
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XRA1203IL24-FIC XPNDR 400KHZ I2C SMBUS 24QFN |
3,041 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tray | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN (4x4) |
|
|
XRA1206IG16-FIC XPND 400KHZ I2C SMBUS 16TSSOP |
3,304 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
|
XRA1207IG24-FIC XPND 400KHZ I2C SMBUS 24TSSOP |
2,396 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
Frequently Asked Questions
What are I/O Expanders components used for?
I/O Expanders components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right I/O Expanders part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can ICMENU help source obsolete or hard-to-find I/O Expanders parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.