I/O Expanders
Review I/O Expanders Interface components in this filtered selection. Compare manufacturer information, availability, pricing, datasheets and key specifications to narrow down suitable parts for your application.
If the exact part or specification you need is not listed, send the manufacturer part number, target parameters and quantity to JIEXIN Electronics for sourcing and quotation support.
| Photo | Mfr. Part # | Availability | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCF8574ANE48-BIT 2.5- TO 5.5-V I2C/SMBUS I/ |
4,445 |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Active | - | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-PDIP |
|
PCF8574APWIC XPNDR 100KHZ I2C 20TSSOP |
1,539 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
PCF8575DBQRG4IC XPNDR 400KHZ I2C SMBUS 24SSOP |
3,571 |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
|
|
PCF8574NE48-BIT 2.5- TO 5.5-V I2C/SMBUS I/ |
4,239 |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Active | - | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-PDIP |
|
PCF8575DGVRG4IC XPND 400KHZ I2C SMBUS 24TVSOP |
1,481 |
|
Datasheet | - | 24-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | 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 |
|
|
TCAL6408DTURTCAL6408DTUR |
1,690 |
|
Datasheet | - | 16-XFQFN | Tape & Reel (TR) | Active | - | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 1 MHz | 1.08V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-X2QFN (1.6x1.6) |
|
TCA6416RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
4,560 |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-WQFN (4x4) |
|
TCA7408ZSZRIC XPNDR 400KHZ I2C SMBUS 16UCSP |
3,077 |
|
Datasheet | - | 16-UFBGA, CSPBGA | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-UCSP (2x2) |
|
PCA9535PWG4IC XPND 400KHZ I2C SMBUS 24TSSOP |
3,602 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | 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 |
|
|
PCF8574APWG4IC XPNDR 100KHZ I2C 20TSSOP |
4,539 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
Frequently Asked Questions
What are I/O Expanders components used for?
I/O Expanders components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right I/O Expanders part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find I/O Expanders parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
