| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 20-TSSOP (0.173, 4.40mm Width) | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Series | 74FST | 
                                                                            
                                            | JESD-609 Code | e4 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 20 | 
                                                                            
                                            | Type | Bus Switch | 
                                                                            
                                            | Terminal Finish | NICKEL PALLADIUM GOLD | 
                                                                            
                                            | Voltage - Supply | 4V~5.5V | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | NOT SPECIFIED | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 4.5V | 
                                                                            
                                            | Terminal Pitch | 0.65mm | 
                                                                            
                                            | Reach Compliance Code | unknown | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 
                                                                            
                                            | Pin Count | 20 | 
                                                                            
                                            | JESD-30 Code | R-PDSO-G20 | 
                                                                            
                                            | Qualification Status | COMMERCIAL | 
                                                                            
                                            | Circuit | 8 x 1:1 | 
                                                                            
                                            | Supply Voltage-Max (Vsup) | 5.5V | 
                                                                            
                                            | Supply Voltage-Min (Vsup) | 4V | 
                                                                            
                                            | Number of Ports | 2 | 
                                                                            
                                            | Number of Bits | 8 | 
                                                                            
                                            | Family | CBT/FST/QS/5C/B | 
                                                                            
                                            | Output Characteristics | 3-STATE | 
                                                                            
                                            | Output Polarity | TRUE | 
                                                                            
                                            | Propagation Delay (tpd) | 0.25 ns | 
                                                                            
                                            | Voltage Supply Source | Single Supply | 
                                                                            
                                            | Independent Circuits | 1 | 
                                                                            
                                            | Length | 6.5mm | 
                                                                            
                                            | Width | 4.4mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                74FST3345DTR2 Overview
Due to the fact that it is provided in the 20-TSSOP (0.173, 4.40mm Width), digital switch allows the board to be compacted.It is packaged according to the Tape & Reel (TR) method.digital switch ic uses the method of Surface Mount for mounting.Bus Switch is the analog IC that the multiplexers uses.A temperature of -40°C~85°C will not leave the turn signal swturn signal switchch susceptible to external influences.The turn signal switch is designed for use with a 4V~5.5V supply voltage, which gives it a lot of flexibility.The multiplexers can be used for a wide range of applications since they are members of 74FST series.As parts of its basic configuration, 20 terminations are desgined.The turn signal switch is supplied with a voltage of 4.5V volts.Currently, this turn signal switch has a total of 20 component pins.GULL WING is used as the point at which the conductors come to an end as part of this formula.The logic switch is a member of the CBT/FST/QS/5C/B family.As a result, signal multiplexer provides 8 bits.To avoid unnecessary failures, keep the supply voltage at 4V (Vsup).Keeping Vsup at 5.5V will prevent some unnecessary failures.This signal switching operates at a resistance of 2.
74FST3345DTR2 Features
Supplied in the 20-TSSOP (0.173, 4.40mm Width) package
74FST3345DTR2 Applications
There are a lot of Rochester Electronics, LLC 74FST3345DTR2 Signal Switches / Multiplexers / Decoders applications. 
- Combinational circuit
- Frequency multiplexing system
- Robotic vehicles
- Microprocessor instruction decoding
- Automatic health monitoring systems
- Injectors
- RF-based home automation system
- Control unit of Central Processing unit (CPU)
- Automatic Monitoring systems
- To select different task for memory in microprocessor memory systems