GPIO and I/O expander ICs for I2C, SMBus, SPI, and related interface expansion designs.
| Product | Manufacturer | Quantity | Price | Operation |
|---|---|---|---|---|
 PCA9554ARGVR Interface - I/O Expanders16-VQFN 8-bit I2C/SMBus I/O expander in 16-VQFN used as direct replacement candidate. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCA9554DWR Interface - I/O Expanders16-SOIC 8-bit I2C/SMBus I/O expander in 16-SOIC used as a P2P candidate. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCA9554DBR Interface - I/O Expanders16-SSOP 8-bit I2C/SMBus I/O expander in 16-SSOP used as a P2P candidate. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCF8575DBR Interface - I/O Expanders24-SSOP 16-bit I2C I/O expander in 24-SSOP used as a direct P2P candidate. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCAL6416AHF,128 Interface - I/O Expanders24-HWQFN 16-bit low-voltage translating I2C/SMBus GPIO expander used as NXP functional replacement. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCF8575PWR Interface - I/O Expanders24-TSSOP 16-bit I2C I/O expander in 24-TSSOP used as a direct P2P candidate. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCF8574DWR Interface - I/O Expanders16-SOIC 8-bit I2C I/O expander in 16-SOIC used as a P2P candidate for PCA8574D,518. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCAL6408AEX1Z Interface - I/O Expanders16-X2QFN Active low-voltage translating 8-bit I2C/SMBus GPIO expander used as NXP functional replacement. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 TCA9554PWR Interface - I/O Expanders16-TSSOP 8-bit I2C/SMBus I/O expander in 16-TSSOP used as a P2P review candidate. RoHS Datasheet | In Stock 30,000 Available 20,000 | No reference price yet | ||
 PCA9554BS,118 Interface - I/O Expanders16-HVQFN 8-bit I2C/SMBus I/O expander in 16-HVQFN, 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-VQFN used as direct replacement candidate.
8-bit I2C/SMBus I/O expander in 16-SOIC used as a P2P candidate.
8-bit I2C/SMBus I/O expander in 16-SSOP used as a P2P candidate.
16-bit I2C I/O expander in 24-SSOP used as a direct P2P candidate.
16-bit low-voltage translating I2C/SMBus GPIO expander used as NXP functional replacement.
16-bit I2C I/O expander in 24-TSSOP used as a direct P2P candidate.
8-bit I2C I/O expander in 16-SOIC used as a P2P candidate for PCA8574D,518.
Active low-voltage translating 8-bit I2C/SMBus GPIO expander used as NXP functional replacement.
8-bit I2C/SMBus I/O expander in 16-TSSOP used as a P2P review candidate.
8-bit I2C/SMBus I/O expander in 16-HVQFN, listed by NXP for 2026 last-time buy.
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