| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-PCA9554DWRTR-ND | 0 | $1.76 | Buy |
| Mouser Electronics | 595-PCA9554DW | 30 | $2.89 | Buy |
| Arrow North American Components | PCA9554DW | 0 | $1.12 | Buy |
| Win Source | PCA9554DW | 2090 | $1.79 | Buy |
| Quarktwin Electronic Components | PCA9554DW | 25990 | $2.43 | Buy |
| Verical Marketplace | PCA9554DW | 1400 | $1.65 | Buy |
| Texas Instruments | PCA9554DW | 1408 | $1.94 | Buy |
| Newark | PCA9554DW | $2.20 | Buy | |
| AVNET Express | PCA9554DW | 9625 | $1.17 | Buy |
| RS Components | PCA9554DW | $10.32 | Buy | |
| AVNET Europe | PCA9554DW | 160 | * $1.18 | Buy |
PCA9554 Remote 8-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 |