| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | PCA9555DWRG4-ND | 0 | $2.16 | Buy |
| Mouser Electronics | 595-PCA9555DWR | 3812 | $1.73 | Buy |
| Arrow North American Components | PCA9555DWR | 699 | $1.41 | Buy |
| Arrow Asia | PCA9555DWR | 2000 | $1.09 | Buy |
| Verical Marketplace | PCA9555DWR | 699 | $1.41 | Buy |
| Quarktwin Electronic Components | PCA9555DWR | 21635 | $2.27 | Buy |
| AVNET Express | PCA9555DWR | 1630 | $1.09 | Buy |
| Win Source | PCA9555DWR | 3430 | Buy | |
| AVNET Europe | PCA9555DWR | * $1.32 | Buy | |
| AVNET Asia Pacific | PCA9555DWR | 2000 | $0.97 | Buy |
| Farnell | PCA9555DWR | 40 | * $1.82 | Buy |
| element14 APAC | PCA9555DWR | 40 | * $1.87 | Buy |
| Texas Instruments | PCA9555DWR | 520 | $1.34 | Buy |
| Newark | PCA9555DWR | 40 | $2.16 | Buy |
PCA9555 Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers
| 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 |