I/O Expanders
Compare the current I/O Expanders Interface selection by manufacturer, stock status, datasheet and technical parameters. Use these details to narrow the list to parts that match your design, maintenance or purchasing requirements.
For a specific MPN, package, electrical rating or quantity requirement, send the details to EGOO. We can help confirm availability, quotation and alternative sourcing options.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9556PW,112IC XPND 100KHZ I2C SMBUS 16TSSOP |
3,998 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 20mA | 100 kHz | 3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCA9557D,112IC XPNDR 400KHZ I2C SMBUS 16SO |
4,047 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | No | POR | Open Drain, Push-Pull | 10mA, 20mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCF8574AP,112IC XPNDR 100KHZ I2C 16DIP |
3,242 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Bulk | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 300µA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-DIP |
|
|
PCF8574P,112IC XPNDR 100KHZ I2C 16DIP |
3,066 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 300µA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-DIP |
|
PCA9555DB,112IC XPNDR 400KHZ I2C SMBUS 24SSOP |
4,607 | - |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm 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-SSOP |
|
|
PCA9557PW,112IC XPND 400KHZ I2C SMBUS 16TSSOP |
4,839 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | 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-TSSOP |
|
PCF8574AT/3,512IC XPNDR 100KHZ I2C 16SO |
1,371 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 300µA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA9554ATS,118IC XPNDR 400KHZ I2C SMBUS 20SSOP |
3,341 | - |
|
Datasheet | - | 20-LSSOP (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 | 20-SSOP |
|
|
PCA9554TS,118IC XPNDR 400KHZ I2C SMBUS 20SSOP |
3,591 | - |
|
Datasheet | - | 20-LSSOP (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 | 20-SSOP |
|
PCA9501D,112IC XPNDR 400KHZ I2C SMBUS 20SO |
3,460 | - |
|
Datasheet | - | 20-SOIC (0.295", 7.50mm 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-SO |
I/O Expanders FAQ
How can I narrow the current I/O Expanders selection?
Use the available manufacturer and technical filters to compare matching parts by specifications, stock status, pricing and datasheet information.
Can EGOO help source hard-to-find or obsolete I/O Expanders parts?
Yes. Send the manufacturer part number and required quantity to our sourcing team for availability, lead-time and alternative sourcing support.
Can I request a quotation for a BOM or small-batch requirement?
Yes. EGOO supports BOM sourcing, prototype quantities and small-batch purchasing. Provide your part list and quantities for a quotation review.
What information should I provide when requesting a quote?
Please provide the target part number, manufacturer, quantity and any required date code, package or delivery requirements so our team can respond more accurately.
