NXP PCA9517AD,118

Буфер, ReDriver2-проводная шина2-проводная шина400 кГц2

Overview

The PCA9517AD,118 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. While retaining all the operating modes and 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 PCA9517AD,118 enables the system designer to isolate two halves of a bus for both voltage and capacitance. The SDA and SCL pins are overvoltage tolerant and are high-impedance when the PCA9517AD,118 is unpowered.

[2] The PCA9517AD,118 is an improved hot swap and ESD version of the PCA9517, but otherwise operatesidentically and should be used for all new designs and system updates.

Features