Part Number : LM339N
Function : Quad Voltage Comparator
Package : DIP, SOP 14 Pin Type
Maker : Fairchild Semiconductor
Pinouts : 
Description :
The LM2901, LM339/LM339A ,LM239/LM239A, LM3302 consist of four independent voltage comparators designed to operate from single power supply over a wide voltage range
Features :
• Single or Dual Supply Operation
• Wide Range of Supply Voltage LM2901, LM339/LM339A, LM239A: 2 ~ 36V (or ±1, ±18V)
• Low Supply Current Drain 800μA Typ.
• Open Collector Outputs for Wired and Connectors
• Low Input Bias Current 25nA Typ.
• Low Input Offset Current ±2.3nA Typ.
• Low Input Offset Voltage ±1.4mV Typ.
• Input Common Mode Voltage Range Includes Ground
• Low Output Saturation Voltage
• Output Compatible With TTL, DTL and MOS Logic System
Applications :
For square wave generator, time delay generators, pulse generators and etc
Datasheet PDF Download : 
Others datasheet of same file :
LM239, LM239A, LM239AM, LM239AN, LM2901