| Parameters | 
                                                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | 16-DIP (0.300, 7.62mm) | 
                                                                            
                                            | Supplier Device Package | 16-PDIP | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2004 | 
                                                                            
                                            | Series | 74HC | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
                                                                            
                                            | Voltage - Supply | 2V~6V | 
                                                                            
                                            | Base Part Number | 74HC221 | 
                                                                            
                                            | Propagation Delay | 22ns | 
                                                                            
                                            | Current - Output High, Low | 5.2mA 5.2mA | 
                                                                            
                                            | Logic Type | Monostable | 
                                                                            
                                            | Independent Circuits | 2 | 
                                                                            
                                            | Schmitt Trigger Input | Yes | 
                                                                                                    
                            
                         
                                                MM74HC221AN Overview
Packaged in a 16-DIP (0.300, 7.62mm) case, it comes with a guarantee.Multivibrator is advised to pack the equipment in case of Tube.Multivibrator recommended mounting type is Through Hole.Part Monostable includes logic type Monostable.Votage is supplied within a period of time called 2V~6V.There is an electrical component in the 74HC series.Unless otherwise specified, this part must operate at no lower than -40°C~85°C degrees Celsius.Multivibrator causes 5.2mA 5.2mA low,high output current.As far as the design is concerned, the component is based on the 74HC221 family of components.16-PDIP's package type is 16-PDIP.
MM74HC221AN Features
in 16-DIP (0.300, 7.62mm) package
Mounting Type: Through Hole
Logic Type: Monostable
Operating Temperature: 74HC
based on 74HC221
MM74HC221AN Applications
There are a lot of ON Semiconductor MM74HC221AN  applications of multivibrators. 
- DVD Recorders and Players
- Server PSU
- Blu-ray Players and Home Theaters
- Embedded PCs
- Astable multivibrator
- Timing clrcults
- GPS: Personal Navigation Devices
- Personal Digital Assistant (PDA)
- Time-delay applications
- Puls delay and timing