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PCA9518 Expandable Five-Channel I2C HUB

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Description

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9518 SCPS132C * JUNE 2006 * REVISED JUNE .
The PCA9518 is an expandable five-channel bidirectional buffer for I2C and SMBus applications.

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Features

* 1 Expandable Five-Channel Bidirectional Buffer
* 400-kHz Fast I2C Bus
* Operating VCC Range of 3 V to 3.6 V
* 5-V Tolerant I2C and Enable Input Pins to Support Mixed-Mode Signal Operation
* Active-High Individual Repeater Enable Inputs
* Open-Drain In

Applications

* The I2C protocol requires a maximum bus capacitance of 400 pF, which is derived from the number of devices on the I2C bus and the bus length. The PCA9518 overcomes this restriction by separating and buffering the I2C data (SDA) and clock (SCL) lines into multiple groups of 400-pF segments. Any segm

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