Component Details
- Part Number
PCF8574AT/3,518- Manufacturer
- NXP USA Inc.
- DigiKey P/N
568-1074-2-ND- Lifecycle
- Obsolete
Stock & Pricing
- Distribution Stock
- 36,000 units
- Lead Time
- 99 weeks
Specifications
| Parameter | Value |
|---|---|
| DigiKey Programmable | Not Verified |
| Number of I/O | 8 |
| Interface | I2C |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Push-Pull |
| Current - Output Source/Sink | 300µA, 25mA |
| Clock Frequency | 100 kHz |
| Voltage - Supply | 2.5V ~ 6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SO |
Packaging Options
| Package | DigiKey P/N | Stock | MOQ | Price (1) |
|---|---|---|---|---|
| Tape & Reel (TR) | 568-1074-2-ND |
36,000 | - | - |
| Cut Tape (CT) | 568-1074-1-ND |
36,000 | - | - |
| Digi-Reel® | 568-1074-6-ND |
36,000 | - | - |
Datasheet
Download PCF8574AT/3,518 Datasheet (PDF)Need the PCF8574AT/3,518?
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Looking for the PCF8574AT/3,518 by NXP USA Inc.? This i/o expander 8 i2c 100 khz 16-so is increasingly difficult to source through standard distribution channels. ICCorders specialises in sourcing hard-to-find and obsolete ICs with full traceability and testing.
The PCF8574AT/3,518 is classified under Interface in the Integrated Circuits (ICs) category.
PCF8574AT/3,518 Specifications
| Parameter | Value |
|---|---|
| DigiKey Programmable | Not Verified |
| Number of I/O | 8 |
| Interface | I2C |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Push-Pull |
| Current – Output Source/Sink | 300µA, 25mA |
| Clock Frequency | 100 kHz |
| Voltage – Supply | 2.5V ~ 6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SO |
Availability & Supply Status
- Status: Obsolete – We Can Source
- Lifecycle: Obsolete
- Distribution Stock: 36,000 units
- Standard Lead Time: 99 weeks
- Last Time Buy Date: 13 April 2026
Datasheet
Download the official PCF8574AT/3,518 datasheet (PDF) for full electrical characteristics, pinout diagrams, and application notes.
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Data last verified: 3 months ago. Availability may have changed — check current stock.