| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 568-13622-6-ND | 5067 | $2.83 | Buy |
| Mouser Electronics | 771-PCA9539RPW/Q900J | 3925 | $2.89 | Buy |
| element14 APAC | PCA9539RPW/Q900J | 10598 | * $1.98 | Buy |
| Win Source | PCA9539RPW/Q900J | 1 | Buy | |
| AVNET Asia Pacific | PCA9539RPW/Q900J | Buy | ||
| AVNET Europe | PCA9539RPW/Q900J | * $4.16 | Buy | |
| AVNET Express | PCA9539RPW/Q900J | $1.32 | Buy | |
| Newark | PCA9539RPW/Q900J | 10685 | $2.94 | Buy |
| Farnell | PCA9539RPW/Q900J | 10598 | * $1.68 | Buy |
16-bit I²C-bus and SMBus low power I/O port with interrupt and reset