GPIO and I/O expander ICs for I2C, SMBus, SPI, and related interface expansion designs.
| Product | Manufacturer | Quantity | Price | Operation |
|---|---|---|---|---|
 PCA9554D,118 Interface - I/O Expanders16-SOIC 8-bit I2C/SMBus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy. LTB RoHS Datasheet | In Stock 20,000 Available 12,000 | No reference price yet | ||
 PCA9554DB,118 Interface - I/O Expanders16-SSOP 8-bit I2C/SMBus I/O expander in 16-SSOP, listed by NXP for 2026 last-time buy. LTB RoHS Datasheet | In Stock 20,000 Available 12,000 | No reference price yet | ||
 PCA8575DB,118 Interface - I/O Expanders24-SSOP 16-bit I2C-bus I/O expander in 24-SSOP, listed by NXP for 2026 last-time buy. LTB RoHS Datasheet | In Stock 20,000 Available 12,000 | No reference price yet | ||
 PCA8575PW,118 Interface - I/O Expanders24-TSSOP 16-bit I2C-bus I/O expander in 24-TSSOP, listed by NXP for 2026 last-time buy. LTB RoHS Datasheet | In Stock 20,000 Available 12,000 | No reference price yet | ||
 PCA8574D,518 Interface - I/O Expanders16-SOIC 8-bit I2C-bus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy. LTB RoHS Datasheet | In Stock 20,000 Available 12,000 | No reference price yet | ||
 PCA8574PW,118 Interface - I/O Expanders16-TSSOP 8-bit I2C-bus I/O expander in 16-TSSOP, listed by NXP for 2026 last-time buy. LTB RoHS Datasheet | In Stock 20,000 Available 12,000 | No reference price yet |
8-bit I2C/SMBus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.
8-bit I2C/SMBus I/O expander in 16-SSOP, listed by NXP for 2026 last-time buy.
16-bit I2C-bus I/O expander in 24-SSOP, listed by NXP for 2026 last-time buy.
16-bit I2C-bus I/O expander in 24-TSSOP, listed by NXP for 2026 last-time buy.
8-bit I2C-bus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.
8-bit I2C-bus I/O expander in 16-TSSOP, listed by NXP for 2026 last-time buy.
Subcategory FAQ
Answers for buyers narrowing product options inside the Interface - I/O Expanders subcategory before checking stock, filters, and RFQ paths.
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