NXP PCA9641BSHP

缓冲器，多路复用器2 线式总线2 线式总线2

Overview

The PCA9641BSHP is a 2-to-1 I²C master demultiplexer with an arbiter function. It is designedfor high reliability dual master I²C-bus applications where correct system operation isrequired, even when two I²C-bus masters issue their commands at the same time. Thearbiter will select a winner and let it work uninterrupted, and the losing master will takecontrol of the I²C-bus after the winner has finished. The arbiter also allows for queuedrequests where a master requests the downstream bus while the other master hascontrol.

An active LOW reset input allows the PCA9641A to be initialized. Pulling the RESET pinLOW resets the I²C-bus state machine and configures the device to its default state asdoes the internal Power-On Reset (POR) function.

Features

Tape & Reel (TR) Package
2 channels.
Mainly used in I2C.

Surface Mount Mounting Type

Applications

There are a lot of NXP USA Inc.
PCA9641BSHP Signal Buffers, Repeaters, Splitters applications.

• Digital Crossconnects
• Network Switches/Routers
• Backplane Interconnect
• Clock Distribution
• Protection Switching
• Loopback
• Clock Distribution
• Servers
• Industrial PCs
• Test Equipment