| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-20958-1-ND | 7958 | $2.38 | Buy |
| Mouser Electronics | 595-PCA9544ADWR | 1031 | $2.08 | Buy |
| Win Source | PCA9544ADWR | 2800 | $1.22 | Buy |
| Quarktwin Electronic Components | PCA9544ADWR | 8478 | $2.17 | Buy |
| Perceptive | PCA9544ADWR | 7130 | Buy | |
| Arrow Asia | PCA9544ADWR | 4000 | $1.18 | Buy |
| Verical Marketplace | PCA9544ADWR | 14380 | $1.89 | Buy |
| AVNET Europe | PCA9544ADWR | * $1.13 | Buy | |
| AVNET Express | PCA9544ADWR | 23820 | $0.86 | Buy |
| Arrow North American Components | PCA9544ADWR | 0 | $1.11 | Buy |
| Texas Instruments | PCA9544ADWR | 12975 | $1.73 | Buy |
PCA9544A 4-Channel I2C And SMBus Multiplexer With Interrupt Logic
| Title | Manufacturer | Published |
|---|---|---|
| Programming Fun Lights With TI's TCA6507 | Texas Instruments | 11/30/2007 |
| Troubleshooting I2C Bus Protocol | Texas Instruments | 10/19/2009 |
| 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 |