| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 2156-PCA9554DGVR-ND | 13607 | $2.40 | Buy |
| Mouser Electronics | 595-PCA9554DGVR | 0 | $1.14 | Buy |
| Quarktwin Electronic Components | PCA9554DGVR | 19997 | $0.97 | Buy |
| Arrow North American Components | PCA9554DGVR | 0 | $0.00 | Buy |
| Win Source | PCA9554DGVR | 10500 | Buy | |
| AVNET Express | PCA9554DGVR | 14000 | $0.97 | Buy |
| AVNET Europe | PCA9554DGVR | * $1.18 | Buy | |
| Texas Instruments | PCA9554DGVR | 25285 | $1.61 | Buy |
| Verical Marketplace | PCA9554DGVR | 1832 | $0.00 | 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 |