PCA9543A
Features
- 1 1-of-2 Bidirectional Translating Switches
- I2C Bus and SMBus patible
- Two Active-Low Interrupt Inputs
- Active-Low Interrupt Output
- Active-Low Reset Input
- Two Address Pins Allowing up to Four PCA9543A
Devices on the I2C Bus
- 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, 2.5-V, 3.3-V, and 5-V Buses
- No Glitch on Power-up
- Supports Hot Insertion
- Low Standby Current
- Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
- 5.5-V Tolerant Inputs
- 0 to 400-k Hz Clock Frequency
- Latch-Up Performance Exceeds 100-m A Per
JESD78
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)
2 Applications
- Servers
- Routers (Tele Switching Equipment)
- Factory Automation
- Products With I2C Slave Address Conflicts (e.g.
Multiple, Identical Temp Sensors)
3 Description
The PCA9543A is a dual bidirectional...
