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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9704PW/Q900JIC XPNDR 5MHZ SPI 16TSSOP |
1,267 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 (Input Only) | SPI | Yes | - | Open Drain | - | 5 MHz | 4.5V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 16-TSSOP |
|
PCA9535EDTR2GIC XPND 100KHZ I2C SMBUS 24TSSOP |
708 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
|
R8A66021GP#R2I/O EXPANDER |
8,989 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
LPC47U332QFPENHANCED SUPER I/O WITH LPC INTE |
3,822 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX7300ATI+IC XPNDR 400KHZ I2C 28TQFN |
1,464 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tray | Obsolete | Not Verified | 20 | I2C, 2-Wire Serial | Yes | - | Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-TQFN (5x5) |
|
MAX7329AAP+PORT EXPANDERS WITH EIGHT I/O PO |
2,953 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PCA9654EDTR2GIC XPNDR 100KHZ I2C 16TSSOP |
11,297 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | - | - | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 16-TSSOP |
|
MAX7300ANIMULTI-PORT I/O EXPANDER |
1,609 | - |
|
Datasheet | - | 28-DIP (0.300", 7.62mm) | Bulk | Active | Not Verified | 28 | I2C, 2-Wire Serial | Yes | - | Open Drain, Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 28-PDIP |
|
CDP1852CEIC XPNDR 24DIP |
15,332 | - |
|
Datasheet | - | 24-DIP (0.600", 15.24mm) | Bulk | Active | Not Verified | 8 | - | No | - | - | 4.4mA, 6.1mA | - | 4V ~ 6.5V | -55°C ~ 125°C | - | - | Through Hole | 24-PDIP |
|
PCA9654EDR2GIC XPNDR 100KHZ I2C 16SOIC |
1,375 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | - | - | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 16-SOIC |
|
MAX7300AGL-TG068MULTI-PORT I/O EXPANDER |
2,000 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX7300AGL-TMULTI-PORT I/O EXPANDER |
16,000 | - |
|
Datasheet | - | 40-VFQFN Exposed Pad | Bulk | Active | Not Verified | 28 | I2C, 2-Wire Serial | Yes | - | Open Drain, Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-SQFN (6x6) |
|
|
MAX7300AGLMULTI-PORT I/O EXPANDER |
387 | - |
|
Datasheet | - | 40-VFQFN Exposed Pad | Bulk | Active | Not Verified | 28 | I2C, 2-Wire Serial | Yes | - | Open Drain, Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-SQFN (6x6) |
|
|
PCA9535ECDTR2GIC XPND 100KHZ I2C SMBUS 24TSSOP |
1,211 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | 25mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
|
SN74LS612FNPARALLEL I/O PORT, 12 I/O, TTL, |
10,028 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
SN74LS612NPARALLEL I/O PORT, 12 I/O, TTL |
5,966 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
LPC47U322QFPENHANCED SUPER I/O WITH LPC INTE |
34,557 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MCP25055-I/PIC XPNDR 25MHZ CAN 14DIP |
114 | - |
|
Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN (1-Wire) | No | ADC, EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 14-PDIP |
|
|
CDP1852EIC XPNDR PARALLEL 24DIP |
1,173 | - |
|
Datasheet | - | 24-DIP (0.600", 15.24mm) | Bulk | Active | Not Verified | 8 | Parallel | No | - | - | 6mA | - | 4V ~ 10.5V | -40°C ~ 85°C | - | - | Through Hole | 24-PDIP |
|
|
SN74LS610NPARALLEL I/O PORT, 12 I/O, TTL |
4,167 | - |
|
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.
How do I request a quote for I/O Expanders components?
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.
