PCA9543C, PCA9543A - 2-channel I2C-bus switch

NXP Semiconductors

Datasheet Details

Part number	PCA9543C, PCA9543A
Manufacturer	NXP ↗ Semiconductors
File Size	169.47 KB
Description	2-channel I2C-bus switch
Datasheet	PCA9543A_NXPSemiconductors.pdf
Note	This datasheet PDF includes multiple part numbers: PCA9543C, PCA9543A. Please refer to the document for exact specifications by model.

The PCA9543A/43B/43C is a bidirectional translating switch, controlled by the I2C-bus.

I I I I I I I I I I I I I I I 1-of-2 bidirectional translating switches I2C-bus interface logic; compatible with SMBus standards 2 active LOW interrupt inputs Active LOW interrupt output Active LOW reset input 2 address pins allowing up to 4 devices on the I2C-bus Alternate address versions A, B and C allow up to a total of 12 devices on the bus for larger systems or to resolve address conﬂicts Channel selection via I2C-bus, in any combination Power-up with all switch channels deselected Low Ron.

📁 PCA9543C Similar Datasheet

Other Datasheets by NXP Semiconductors

Published: Mar 30, 2010 |