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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCF8574APWRG4IC XPNDR 100KHZ I2C 20TSSOP |
4,507 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
PCF8574DGVRG4IC XPNDR 100KHZ I2C 20TVSOP |
1,839 |
|
Datasheet | - | 20-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TVSOP |
|
PCA9534ARGTRG4IC XPNDR 400KHZ I2C SMBUS 16VQFN |
1,262 |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-VQFN (3x3) |
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|
PCA9534RGVRG4IC XPNDR 400KHZ I2C SMBUS 16VQFN |
4,737 |
|
Datasheet | - | 16-VQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-VQFN (4x4) |
|
PCA9554ADBIC XPNDR 400KHZ I2C SMBUS 16SSOP |
4,954 |
|
Datasheet | - | 16-SSOP (0.209", 5.30mm Width) | Tray | 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-SSOP |
|
PCA9554APWIC XPND 400KHZ I2C SMBUS 16TSSOP |
1,940 |
|
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 |
|
TCAL6416RDTOR16-BIT TRANSLATING IC-BUS/SMBUS |
1,350 |
|
Datasheet | - | 24-QFN | Tape & Reel (TR) | Active | - | 16 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 1 MHz | 1.08V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-X2QFN (2x2) |
|
PCA9555RGERG4IC XPNDR 400KHZ I2C SMBUS 24VQFN |
1,846 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | 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-VQFN (4x4) |
|
|
TCA9536CDTMRPROTOTYPE |
4,640 |
|
Datasheet | - | 8-XFDFN Exposed Pad | Tape & Reel (TR) | Active | - | 4 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-X2SON (1.35x0.8) |
|
PCA9555DWRG4IC XPNDR 400KHZ I2C SMBUS 24SOIC |
4,661 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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-SOIC |
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.
