PCA9540B Overview
Key Specifications
Package: SOP
Mount Type: Surface Mount
Pins: 8
Operating Voltage: 3.3 V
Description
The PCA9540B is a 1-of-2 bidirectional translating multiplexer, controlled via the I2C-bus. The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels.
Key Features
- 1-of-2 bidirectional translating multiplexer
- I2C-bus interface logic; compatible with SMBus standards
- Channel selection via I2C-bus
- Power-up with all multiplexer channels deselected
- Low Ron switches
