PCA9517 - Level translating I2C-bus repeater

Name: PCA9517
SKU: PCA9517-36456

NXP

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Datasheet Details

Part number	PCA9517
Manufacturer	NXP
File Size	106.39 KB
Description	Level translating I2C-bus repeater
Datasheet	PCA9517_PhilipsSemiconductors.pdf

PCA9517 Product details

Description

The PCA9517 is a CMOS integrated circuit that provides level shifting between low voltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.

Features

of the I2C-bus system during the level shifts, it also permits extension of the I2C-bus by providing bidirectional buffering for both the data (SDA) and the clock (SCL) lines, thus enabling two buses of 400 pF. Using the PCA9517 enables the system designer to isolate two halves of a bus for both voltage and capacitance. The SDA and SCL pins are over voltage tolerant and are high-impedance when the PCA9517 is unpowered. The 2.7 V to 5.5 V bus B-side drivers behave much like the drivers on the PCA.

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Published: Mar 22, 2005 |