PCA9518 Datasheet - Texas Instruments

PCA9518, Expandable Five-Channel I2C HUB

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The PCA9518 is an expandable five-channel bidirectional buffer for I2C and SMBus applications.

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Datasheet Details

Part number:

PCA9518

Manufacturer:

Texas Instruments ↗

File Size:

1.34 MB

Description:

Expandable Five-Channel I2C HUB

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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