Datasheet Details
| Part number | PCA9548 |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 125.82 KB |
| Description | 8-channel I2C switch with reset |
| Datasheet |
 PCA9548 Datasheet
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General Description
The PCA9548 is a octal bi-directional translating switch controlled by the I2C-bus.
The SCL/SDA upstream pair fans out to eight downstream pairs, or channels.
Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable Control Register.
Key Features
- 1-of-8 bi-directional translating switches.
- I2C interface logic; compatible with SMBus standards.
- Active LOW Reset Input.
- 3 address pins allowing up to 8 devices on the I2C-bus.
- Channel selection via I2C-bus, in any combination.
- Power-up with all switch channels deselected.
- Low RdsON switches.
- Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and.
- No glitch on power-up.
- Supports hot insertion.