PCA9545A Datasheet | Texas Instruments

Product Folder Sample & Buy Technical Documents Tools & Software Support & munity SCPS147D - OCTOBER 2005 - REVISED JUNE 2014 PCA9545A Low Voltage 4-channel I2C and SMbus Switch With Interrupt Logic and Reset Functions 1 Features - 1 1-of-4 Bidirectional Translating Switches - I2C Bus and SMBus patible - Four Active-Low Interrupt Inputs - Active-Low Interrupt Output - Active-Low Reset Input - Two Address Terminals, Allowing up to Four Devices on the I2C Bus - Channel Selection via I2C Bus, in Any bination - 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 - 5.5 V Tolerant Inputs - 0 to 400-k Hz Clock Frequency - Latch-Up Performance Exceeds 100 m A...