| 
   
   | 
  
   
    
     
       
      | 
     
    
     | 
 
 
 
 
    
 
  
   
    | Partname: | SN74LS221DBRG4 |  
    | Description: | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS |     
    | Manufacturer: | Texas Instruments |  
    | Datasheet: | PDF (761K). Click here to download *) |  
    The '221 and 'LS221 devices are dual multivibrators with performance characteristics virtually identical to those of the '121 devices. Each multivibrator features a negative-transitiontriggered input and a positive-transition-triggered input, either of which can be used as an inhibit input.  |  
    
   | 
    Click here to download SN74LS221DBRG4 Datasheet*) | 
  
   |  
 | *)Datasheets downloading from ChipDocs is only for our members (paid service). REGISTER NOW for your membership. |  
 
      | 
     
    
   | 
  
   
   |