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-GIC XPND 400KHZ I2C SMBUS 16TSSOP |
16,704 | - |
|
Datasheet | CAT9534 | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
CAT9554AHV4I-GT2IC XPNDR 400KHZ I2C SMBUS 16TQFN |
1,449 | - |
|
Datasheet | - | 16-WQFN Exposed Pad | 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-TQFN (4x4) |
|
PCA9539RPW,118IC XPND 400KHZ I2C SMBUS 24TSSOP |
3,614 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm 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-TSSOP |
|
|
CAT9534HV4I-GT2IC XPNDR 400KHZ I2C SMBUS 16TQFN |
4,724 | - |
|
Datasheet | - | 16-WQFN Exposed Pad | 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-TQFN (4x4) |
|
PCA9534DWIC XPNDR 400KHZ I2C SMBUS 16SOIC |
3,776 | - |
|
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 |
|
MAX7325AEGI2C PORT EXPANDER |
8,243 | - |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Bulk | Active | Not Verified | 16 | I2C, 2-Wire Serial | Yes | POR | Open Drain, Push-Pull | 10mA, 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 24-QSOP |
|
PCA6107DWIC XPNDR 400KHZ I2C SMBUS 18SOIC |
3,709 | - |
|
Datasheet | - | 18-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 18-SOIC |
|
|
PCA9554DWIC XPNDR 400KHZ I2C SMBUS 16SOIC |
2,220 | - |
|
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 |
|
PCA9557RGYRIC XPNDR 400KHZ I2C SMBUS 16VQFN |
2,972 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | 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-VQFN (4x3.5) |
|
PCA9557DGVRIC XPND 400KHZ I2C SMBUS 16TVSOP |
3,202 | - |
|
Datasheet | - | 16-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | 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-TVSOP |
|
PCA9557DBRIC XPNDR 400KHZ I2C SMBUS 16SSOP |
1,129 | - |
|
Datasheet | - | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | 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-SSOP |
|
CAT9554AYI-GT2IC XPND 400KHZ I2C SMBUS 16TSSOP |
2,095 | - |
|
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 |
|
MAX7317AEESPI-INTERFACED I/O EXPANDER |
2,235 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Bulk | Active | Not Verified | 10 | SPI | No | POR | Open Drain | 20mA | - | 2.25V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
PCA9554PWIC XPND 400KHZ I2C SMBUS 16TSSOP |
3,868 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm 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-TSSOP |
|
|
PCA9554ADWRIC XPNDR 400KHZ I2C SMBUS 16SOIC |
121 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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 |
|
|
PCA9554ADGVRIC XPND 400KHZ I2C SMBUS 16TVSOP |
4,055 | - |
|
Datasheet | - | 16-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | 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-TVSOP |
|
PCA9555PWE4IC I/O EXPANDER I2C 16B 24TSSOP |
180 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm 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-TSSOP |
|
PCA9501D,118IC XPNDR 400KHZ I2C SMBUS 20SO |
19,840 | - |
|
Datasheet | - | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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-SO |
|
PCA9554BS3,118IC XPND 400KHZ I2C SMBUS 16HVQFN |
1,232 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | 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-HVQFN (3x3) |
|
PCAL6416AERPARALLEL I/O PORT, 16 I/O, CMOS, |
11,806 | - |
|
Datasheet | Agile | 24-UFBGA | Bulk | Active | - | 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) |
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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