| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | PCA9539PWRG4-ND | 0 | $1.24 | Buy |
| Mouser Electronics | 595-PCA9539PWRG4 | 0 | $1.21 | Buy |
| Quarktwin Electronic Components | PCA9539PWRG4 | 8683 | Buy | |
| Win Source | PCA9539PWRG4 | 4200 | Buy | |
| Arrow North American Components | PCA9539PWRG4 | 0 | $1.78 | Buy |
| AVNET Express | PCA9539PWRG4 | $0.97 | Buy | |
| Verical Marketplace | PCA9539PWRG4 | 10000 | $2.08 | Buy |
I2C and SMBus Low Power I/O Expander 24-Pin TSSOP 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 |