| Parameters | 
                                
                                                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            2.5V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.65mm | 
                                        
                                                                            
                                            | Base Part Number | 
                                            CA9545 | 
                                        
                                                                            
                                            | Pin Count | 
                                            20 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            5.5V | 
                                        
                                                                            
                                            | Temperature Grade | 
                                            INDUSTRIAL | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            2.3V | 
                                        
                                                                            
                                            | Number of Channels | 
                                            4 | 
                                        
                                                                            
                                            | Interface | 
                                            I2C, SMBus | 
                                        
                                                                            
                                            | Operating Supply Current | 
                                            3μA | 
                                        
                                                                            
                                            | Load Capacitance | 
                                            50pF | 
                                        
                                                                            
                                            | Power Dissipation | 
                                            400mW | 
                                        
                                                                            
                                            | Propagation Delay | 
                                            1 ns | 
                                        
                                                                            
                                            | Quiescent Current | 
                                            3μA | 
                                        
                                                                            
                                            | Logic Function | 
                                            Multiplexer | 
                                        
                                                                            
                                            | Bandwidth | 
                                            400 kHz | 
                                        
                                                                            
                                            | Output Polarity | 
                                            TRUE | 
                                        
                                                                            
                                            | Max Frequency | 
                                            400kHz | 
                                        
                                                                            
                                            | Height | 
                                            1.2mm | 
                                        
                                                                            
                                            | Length | 
                                            6.5mm | 
                                        
                                                                            
                                            | Width | 
                                            4.4mm | 
                                        
                                                                            
                                            | Thickness | 
                                            1mm | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                            
                                            | Factory Lead Time | 
                                            6 Weeks | 
                                        
                                                                            
                                            | Lifecycle Status | 
                                            ACTIVE (Last Updated: 1 week ago) | 
                                        
                                                                            
                                            | Contact Plating | 
                                            Gold | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            20-TSSOP (0.173, 4.40mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Number of Pins | 
                                            20 | 
                                        
                                                                            
                                            | Weight | 
                                            76.997305mg | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            20 | 
                                        
                                                                            
                                            | Resistance | 
                                            45Ohm | 
                                        
                                                                            
                                            | Max Operating Temperature | 
                                            85°C | 
                                        
                                                                            
                                            | Min Operating Temperature | 
                                            -40°C | 
                                        
                                                                            
                                            | Applications | 
                                            Translating Switch | 
                                        
                                                                            
                                            | Packing Method | 
                                            TR | 
                                        
                                                                            
                                            | Max Power Dissipation | 
                                            400mW | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            2.3V~5.5V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                                                    
                            
                         
                                                PCA9545APWT Overview
20-TSSOP (0.173, 4.40mm Width)is an appropriate package for this device.A Tape & Reel (TR)case is provided with it.In the way of [0], this component is installed.This is appropriate for the component that is applied in Translating SwitchThe device is capable of supplying 2.3V~5.5V volts.Based on the [0], it is possible to locate related parts.The terminations on it are [0].Be sure to set the device to 2.5V.In total, there are 20pins on the board.In order to operate, the 20pins are used.It is designed to work at a minimum working temperature of -40°C to ensure reliability.As long as the maximum value is [0], the part runs consistently.There are 4  channels available on the device.In this case, it is suitable to run the part at a maximum frequency of 400kHz.
PCA9545APWT Features
It is based on CA9545.
Set the part at 2.5V volts
PCA9545APWT Applications
There are a lot of Texas Instruments PCA9545APWT Specialized Interface ICs applications. 
- Channel Banks
 - Multi-Line E1 Interface Cards
 - Audio and video signal routing
 - Fault Tolerant Systems
 - Precision test equipment
 - PBXs
 - Cable Modem, Cable PC
 - New designs requiring multiplexer functions
 - Ultrasound
 - High-Voltage