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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9670D,512IC XPNDR 1MHZ I2C 16SO |
1,749 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C | No | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA9534PW,112IC XPND 400KHZ I2C SMBUS 16TSSOP |
1,165 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | 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-TSSOP |
|
XRA1202PIL16TR-FIC XPNDR 400KHZ I2C SMBUS 16QFN |
30,000 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Last Time Buy | Not Verified | 8 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QFN (3x3) |
|
|
PCA9500D,118IC XPNDR 400KHZ I2C SMBUS 16SO |
4,552 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | 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-SO |
|
|
PCA9500D,112IC XPNDR 400KHZ I2C SMBUS 16SO |
2,263 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | 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-SO |
|
PCA9554ADWIC XPNDR 400KHZ I2C SMBUS 16SOIC |
4,660 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm 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-SOIC |
|
PCA9501PW,112IC XPND 400KHZ I2C SMBUS 20TSSOP |
3,511 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
PCA9672BS,118IC XPNDR 1MHZ I2C SMBUS 16HVQFN |
77,938 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 300µA, 43mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (3x3) |
|
PCA9571GUXIC XPNDR 1MHZ I2C 12XQFN |
7,664 | - |
|
Datasheet | - | 12-XFQFN | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | No | POR | Push-Pull | - | 1 MHz | 1.1V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 12-XQFN (2x1.7) |
|
PCA9500DIC I/O EXPANDER I2C 8B 16SOIC |
416 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | - | 8 | I2C, SMBus | Yes | EEPROM, POR | Push-Pull | 300µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
TCA6416AZQSR REELTCA6416AZQSR REEL |
1,123 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LC709006V-TLM-EIC IO EXPANDER |
2,574 | - |
|
Datasheet | - | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | No | - | - | - | - | 2V ~ 6V | -40°C ~ 85°C | - | - | - | - |
|
|
PCA9538DWIC XPNDR 400KHZ I2C SMBUS 16SOIC |
1,340 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
PCA9539D,118IC XPNDR 400KHZ I2C SMBUS 24SO |
8,272 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm 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-SO |
|
|
MAX7310ETE2-WIRE-INTERFACED 8 BIT I/O PORT |
7,334 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
LC709006V-TLM-E-SAI/O-EXPANDER FOR MICROCONTROLLER |
7,000 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
MAX7311EAG2-WIRE-INTERFACED 16 BIT I/O POR |
548 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PCAL6416AERJIC XPND 400KHZ I2C SMBUS 24UFBGA |
500 | - |
|
Datasheet | Agile | 24-UFBGA | Tape & Reel (TR) | Obsolete | 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-UFBGA (2x2) |
|
|
PCA9673D,112IC XPNDR 1MHZ I2C 24SO |
1,980 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SO |
|
|
PCF8574DWIC XPNDR 100KHZ I2C 16SOIC |
4,878 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
I/O Expanders FAQ
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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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