| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-20961-2-ND | 0 | $1.16 | Buy |
| Mouser Electronics | 595-PCA9544AZQNR | 0 | $1.57 | Buy |
| Perceptive | PCA9544AZQNR | 7130 | Buy | |
| Verical Marketplace | PCA9544AZQNR | 10000 | $1.16 | Buy |
| Quarktwin Electronic Components | PCA9544AZQNR | 29390 | Buy | |
| Win Source | PCA9544AZQNR | 9200 | Buy | |
| AVNET Europe | PCA9544AZQNR | * $1.39 | Buy | |
| AVNET Express | PCA9544AZQNR | 77983 | $0.76 | Buy |
| Texas Instruments | PCA9544AZQNR | 4000 | $1.49 | 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 |