NCA9548A Description
The NCA9548A is an octal bidirectional translating switch controlled via the I²C-bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual SCn/SDn channel or bination of channels can be selected, determined by the contents of the programmable control register.
NCA9548A Key Features
- 1-of-8 bidirectional translating switches
- I²C-bus interface logic; patible with SMBus
- Active LOW reset input
- Three address pins allowing up to eight devices on
- Channel selection via I²C-bus, in any bination
- Power-up with all switch channels deselected
- Low Ron switches
- Allows voltage level translation between 1.8 V
- No glitch on power-up
- Supports hot insertion