| Parameters | 
                                                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 16 | 
                                                                            
                                            | HTS Code | 8542.39.00.01 | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | JESD-30 Code | R-PDSO-G16 | 
                                                                            
                                            | Number of Outputs | 1 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Operating Temperature (Max) | 125°C | 
                                                                            
                                            | Operating Temperature (Min) | -55°C | 
                                                                            
                                            | Supply Voltage-Max (Vsup) | 6V | 
                                                                            
                                            | Temperature Grade | MILITARY | 
                                                                            
                                            | Supply Voltage-Min (Vsup) | 2V | 
                                                                            
                                            | Family | HC/UH | 
                                                                            
                                            | Number of Inputs | 8 | 
                                                                            
                                            | Output Characteristics | 3-STATE | 
                                                                            
                                            | Output Polarity | COMPLEMENTARY | 
                                                                            
                                            | Logic IC Type | MULTIPLEXER | 
                                                                            
                                            | Propagation Delay (tpd) | 370 ns | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                                                    
                            
                         
                                                CD74HC251M Overview
The package is packaged in accordance with Tube.There is a design for terminating 16 as part of its basic configuration.For multiplexer's system, 5V voltage is supplied.It is the end of conductors that is represented by GULL WING.The logic switch is a member of the family of HC/UH.Keep Vsup at 2V to avoid unnecessary failures.Avoid unnecessary failures by keeping Vsup at 6V.As part of the operation of this turn signal switch, there are 1 outputs.The multiplexer is equipped with 8 inputs.IC MULTIPLEXER is used for the logic of this chip.At its maximum operating temperature of the switches, the digital switch reaches 125°C.
CD74HC251M Features
MULTIPLEXER as the logic IC
CD74HC251M Applications
There are a lot of Rochester Electronics, LLC CD74HC251M Signal Switches / Multiplexers / Decoders applications. 
- War field flying robot with a night vision flying camera
- Microprocessor input/output systems
- Time division multiplexing system 
- Electronics industry
- CPU memory location identification
- Home automation system
- Encrypted communications system
- Small scale TV wall
- Speed control of medern motors
- A/D converters