PCA9543AD,118 datasheet by NXP Semiconductors

Description 2-channel I2C-bus switch with interrupt logic and reset - # of Addresses: 4 ; I2C-bus: 400 kHz; Inputs: 1 ; Interrupt: 2-1 ; Operating temperature: -40~85 Cel; Operating voltage: 2.3~5.5 VDC; Outputs: 2 ; Reset input pin: yes; Package: SOT108-1 (SO14); Container: Reel Pack, SMD, 13"
Datasheet Type Original
RoHS Yes
Lifecycle Active
HTS Code 8542.39.00.01
Schedule B 8542.39.00.00
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935275803118 PCA9543D

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PCA9543AD,118 Frequently Asked Questions (FAQs)

The PCA9543AD can support I2C bus frequencies up to 400 kHz.
Yes, the PCA9543AD is a 2-channel I2C-bus switch, allowing you to switch between two separate I2C buses.
The PCA9543AD is controlled using the I2C bus. You can send commands to the device using I2C write operations to select the active channel.
The PCA9543AD has a low power consumption of 1.5 μA (typical) in standby mode and 10 μA (typical) in active mode.
Yes, the PCA9543AD is compatible with both 3.3V and 5V systems, making it a versatile solution for various applications.