Datasheet
Table Of Contents
- 1. General description
- 2. Features and benefits
- 3. Ordering information
- 4. Block diagram
- 5. Pinning information
- 6. Functional description
- 7. Characteristics of the I2C-bus
- 8. Application design-in information
- 9. Limiting values
- 10. Thermal characteristics
- 11. Static characteristics
- 12. Dynamic characteristics
- 13. Package outline
- 14. Soldering of SMD packages
- 15. Soldering: PCB footprints
- 16. Abbreviations
- 17. Revision history
- 18. Legal information
- 19. Contact information
- 20. Contents
PCA9543A_43B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 8 — 3 April 2014 3 of 28
NXP Semiconductors
PCA9543A/43B
2-channel I
2
C-bus switch with interrupt logic and reset
4. Block diagram
Fig 1. Block diagram of PCA9543A/43B
SWITCH CONTROL LOGIC
PCA9543A/43B
POWER-ON
RESET
002aab180
SC0
SC1
SD0
SD1
V
SS
V
DD
RESET
I
2
C-BUS
CONTROL
INPUT
FILTER
SCL
SDA
A0
A1
INTERRUPT LOGIC
INT0
to
INT1
INT