PCA9545 Datasheet - NXP

4-channel I2C switch with interrupt logic and reset

PCA9545 Features

* 1-of-4 bi-directional translating switches

* I2C interface logic; compatible with SMBus standards

* 4 active low interrupt inputs

* Active low interrupt output

* Active low reset input

* 2 address pins allowing up to 4 devices on the I2C bus

PCA9545 General Description

The PCA9545 is a quad bi-directional translating switch controlled via the I2C bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable control register. Fo.

PCA9545 Datasheet (118.83 KB)

PCA9545 Datasheet Preview — Preview of PCA9545 PDF

Datasheet Details

Part number:

PCA9545

Manufacturer:

NXP ↗

File Size:

118.83 KB

Description:

4-channel i2c switch with interrupt logic and reset.
INTEGRATED CIRCUITS PCA9545 4-channel I2C switch with interrupt logic and reset Product data Supersedes data of 2001 Nov 08 2002 Mar 28 Philips Semi.

📁 Related Datasheet

PCA9540 2-channel I2C multiplexer (NXP)

PCA9540B 2-channel I2C-bus multiplexer (NXP)

PCA9541 2-to-1 I2C-bus master selector (NXP Semiconductors)

PCA9541A 2-to-1 I2C-bus master selector (NXP Semiconductors)

PCA9542 2-channel I2C multiplexer and interrupt controller (NXP)

PCA9542A 2-channel I2C-bus multiplexer and interrupt logic (NXP Semiconductors)

PCA9543 2-channel I2C switch (NXP)

PCA9543A 2-Channel I2C Bus Switch (Texas Instruments)

PCA9543A 2-channel I2C-bus switch (NXP Semiconductors)

PCA9543B 2-channel I2C-bus switch (NXP Semiconductors)

TAGS

PCA9545 4-channel I2C switch with interrupt logic and reset NXP

Image Gallery

PCA9545 Features

PCA9545 General Description

Datasheet Details

File Size:

Description:

PCA9545 Distributor