PCA9548A Low Voltage 8-Channel I2C Switch with Reset

1 Features
• 1-of-8 Bidirectional Translating Switches
• I2C Bus and SMBus Compatible
• Active-Low Reset Input
• Three Hardware Address Pins for Use of up to Eight PCA9548A Devices on the I2C Bus
• Channel Selection Via I2C Bus
• Power-Up with All Switch Channels Deselected
• Low RON Switches
• Allows Voltage-Level Translation Between 1.8-V, 2.5-V, 3.3-V, and 5-V Buses
• No Glitch on Power Up
• Supports Hot Insertion
• Low Standby Current
• Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
• 5-V Tolerant Inputs
• 0-kHz to 400-kHz Clock Frequency
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22– 2000-V Human-Body Model (A114-A)– 200-V Machine Model (A115-A)– 1000-V Charged-Device Model (C101)
2 Applications
• Servers
• Routers (Telecom Switching Equipment)
• Factory Automation
• Products With I2C Slave Address Conflicts (For Example, Multiple, Identical Temp Sensors）