NCA9547A Description
The NCA9547A is an octal bidirectional translating multiplexer controlled by the I²C-bus. The SCL/ SDA upstream pair fans out to eight downstream pairs, or channels. Only one SCn/SDn channel can be selected at a time, determined by the contents of the programmable control register.
NCA9547A Key Features
- 1-of-8 bidirectional translating multiplexers
- 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, one channel at a
- Power-up with all channels deselected, except
- Low Ron multiplexers
- Allows voltage level translation between 1.8 V
- No glitch on power-up
- Supports hot insertion