General Description

The MAX7367/MAX7368/MAX7369 bidirectional, four channel I2C switches/multiplexer expand the main I2C bus up to four extended buses. The MAX7369 1:4 multiplexer connects the main I2C bus to one channel at a time. The MAX7367/MAX7368 four-channel switches connect the main I2C bus to one or more channels at a time.

Features

♦ Four-Channel, Bidirectional Bus Expansion

♦ Voltage-Level Translation

♦ Low 6µA (typ) Supply Current, 0.1µA (typ) Standby Current

♦ Low 16Ω (typ) On-Resistance

♦ Channel Selection Through I2C

♦ I2C-Compatible Normal or Fast Mode

♦ Device Address Selection

Up to Four Addresses (MAX7367)

Up to Eight Addresses (MAX7368/MAX7369)

♦ Bus-Loading Isolation

♦ Support Clock Stretch, Synchronization, and

Arbitration

♦ Hot Insertion

♦ 2.3V to 5.5V Supply Voltage Range

♦ 5V-Tolerant Inputs

♦ Interrupt from Extended Buses

(MAX7367/MAX7369)

♦ Hardware Reset (MAX7367/MAX7368)