| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 2156-PCA9539DGVR-ND | 16031 | $2.06 | Buy |
| Mouser Electronics | 595-PCA9539DGVR | 26 | $2.25 | Buy |
| Quarktwin Electronic Components | PCA9539DGVR | 31501 | $1.03 | Buy |
| Verical Marketplace | PCA9539DGVR | 3500 | $1.61 | Buy |
| Win Source | PCA9539DGVR | 8100 | Buy | |
| AVNET Express | PCA9539DGVR | 41617 | $0.93 | Buy |
| AVNET Europe | PCA9539DGVR | * $1.13 | Buy | |
| Newark | PCA9539DGVR | $0.91 | Buy | |
| Texas Instruments | PCA9539DGVR | 21006 | $1.70 | Buy |
| Arrow North American Components | PCA9539DGVR | 0 | $1.67 | Buy |
PCA9539 Remote 16-Bit I2C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. 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 |