I/O Expanders
Browse available I/O Expanders part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CAT9534YI-GT2IC XPND 400KHZ I2C SMBUS 16TSSOP |
3,896 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
MAX7314ATG18-PORT GPIO |
9,366 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Bulk | Active | Not Verified | 18 | I2C, 2-Wire Serial | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN-EP (4x4) |
|
MAX7326ATG+TIC XPNDR 400KHZ I2C 24TQFN |
2,707 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
M62320P#TF5J8-BIT I/O EXPANDER FOR I2C BUS |
484 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
M62320FP#TF5GIC XPNDR 100KHZ I2C 16SOP |
228 | - |
|
Datasheet | - | 16-SOIC (0.209", 5.30mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C | No | - | - | - | 100 kHz | 3V ~ 5.5V | -20°C ~ 85°C | - | - | Surface Mount | 16-SOP |
|
PCA9554DBIC XPNDR 400KHZ I2C SMBUS 16SSOP |
1,606 | - |
|
Datasheet | - | 16-SSOP (0.209", 5.30mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
|
PCA9535DGVRIC XPND 400KHZ I2C SMBUS 24TVSOP |
4,844 | - |
|
Datasheet | - | 24-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TVSOP |
|
PCA9535DBRIC XPNDR 400KHZ I2C SMBUS 24SSOP |
3,100 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | 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 |
|
PCA9535DBQRIC XPNDR 400KHZ I2C SMBUS 24SSOP |
3,969 | - |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | 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 |
|
MAX7312AAGI/O PORT EXPANDER |
2,687 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Bulk | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SSOP |
|
|
PCA9535DBIC XPNDR 400KHZ I2C SMBUS 24SSOP |
246 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Bulk | Obsolete | 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 |
|
PCA9535PWIC XPND 400KHZ I2C SMBUS 24TSSOP |
12,388 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | 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 |
|
PCA9535DWIC XPNDR 400KHZ I2C SMBUS 24SOIC |
3,351 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Bulk | 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-SOIC |
|
TCA6408ZXYRIC XPNDR 400KHZ I2C SMBUS 20BGA |
1,547 | - |
|
Datasheet | - | 20-UFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-BGA Microstar Junior (2.5x3.0) |
|
STMPE2401TBRIC XPNDR 400KHZ I2C 36TFBGA |
8,061 | - |
|
Datasheet | Xpander Logic™ | 36-TFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 24 | I2C | Yes | Keypad Controller, POR, PWM | Push-Pull | 4mA | 400 kHz | 1.65V ~ 1.95V | -40°C ~ 85°C | - | - | Surface Mount | 36-TFBGA (3.5x3.5) |
|
|
LPC47M997-NRLPC SUPER I/O WITH HARDWARE MONI |
12,862 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PCF8575CRGERIC XPNDR 400KHZ I2C SMBUS 24VQFN |
2,835 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 400 kHz | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-VQFN (4x4) |
|
|
PCF8575CDGVRIC XPND 400KHZ I2C SMBUS 24TVSOP |
2,827 | - |
|
Datasheet | - | 24-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 400 kHz | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TVSOP |
|
|
PCF8575DGVRIC XPND 400KHZ I2C SMBUS 24TVSOP |
4,497 | - |
|
Datasheet | - | 24-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TVSOP |
|
R8A66150SP#D112-BIT I/O EXPANDER |
27,966 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
I/O Expanders FAQ
Common questions about selecting, comparing and sourcing I/O Expanders components through Winsun (HK) Electronics.
What should I check when selecting I/O Expanders components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find I/O Expanders parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
