PCA9508 - Hot swappable level translating I2C-bus repeater

NXP

PCA9508 Datasheet Preview — Preview of PCA9508 PDF

Datasheet Details

Part number	PCA9508
Manufacturer	NXP ↗
File Size	113.47 KB
Description	Hot swappable level translating I2C-bus repeater
Datasheet	PCA9508-NXP.pdf

PCA9508 Product details

Description

The PCA9508 is a CMOS integrated circuit that supports hot-swap with zero offset and provides level shifting between low voltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) for 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 PCA9508 enables the system designer to isolate two halves of a bus for both voltage and capacitance, and perform hot-swap and voltage level translation. Furthermore, the dual supply pins can be powered up in any sequence; when any of the supply pins are unpowered, the 5 V tolera.

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Published: Sep 4, 2017 |