| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | PCA9555RGERG4-ND | 0 | $1.77 | Buy |
| Mouser Electronics | 595-PCA9555RGERG4 | 0 | $1.75 | Buy |
| Win Source | PCA9555RGERG4 | 76552 | Buy | |
| Quarktwin Electronic Components | PCA9555RGERG4 | 20688 | Buy | |
| Verical Marketplace | PCA9555RGERG4 | 9000 | $1.18 | Buy |
| AVNET Express | PCA9555RGERG4 | $0.98 | Buy | |
| AVNET Europe | PCA9555RGERG4 | * $1.32 | Buy | |
| Newark | PCA9555RGERG4 | $0.88 | Buy | |
| Arrow North American Components | PCA9555RGERG4 | 0 | $0.95 | Buy |
I2C and SMBus I/O Expander 24-Pin VQFN EP T/R
| Title | Manufacturer | Published |
|---|---|---|
| Programming Fun Lights With TI's TCA6507 | Texas Instruments | 11/30/2007 |
| Maximum Clock Frequency of I2C Bus Using Repeaters | Texas Instruments | 05/15/2015 |
| I2C Bus Pull-Up Resistor Calculation | Texas Instruments | 02/13/2015 |
| Understanding the I2C Bus | Texas Instruments | 06/30/2015 |