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PCA9518 - Expandable 5-channel I2C hub

Description

The PCA9518 is a BiCMOS integrated circuit intended for application in I2C-bus and SMBus systems.

Features

  • of the I2C-bus system, it permits extension of the I2C-bus by buffering both the data (SDA) and the clock (SCL) lines, thus enabling virtually an unlimited number of buses of 400 pF. The I2C-bus capacitance limit of 400 pF restricts the number of devices and bus length. Using the PCA9518 enables the system designer to divide the bus into an unlimited number of segments off of a hub where any segment to segment transition sees only one repeater delay and is multiple master capable on each segment.

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Datasheet preview – PCA9518

Datasheet Details

Part number PCA9518
Manufacturer NXP
File Size 121.34 KB
Description Expandable 5-channel I2C hub
Datasheet download datasheet PCA9518 Datasheet
Additional preview pages of the PCA9518 datasheet.

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Full PDF Text Transcription

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PCA9518 Expandable 5-channel I2C-bus hub Rev. 05 — 2 December 2008 Product data sheet 1. General description The PCA9518 is a BiCMOS integrated circuit intended for application in I2C-bus and SMBus systems. While retaining all the operating modes and features of the I2C-bus system, it permits extension of the I2C-bus by buffering both the data (SDA) and the clock (SCL) lines, thus enabling virtually an unlimited number of buses of 400 pF. The I2C-bus capacitance limit of 400 pF restricts the number of devices and bus length. Using the PCA9518 enables the system designer to divide the bus into an unlimited number of segments off of a hub where any segment to segment transition sees only one repeater delay and is multiple master capable on each segment.
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