Quarterly report pursuant to sections 13 or 15(d)

Document and Entity Information

Document and Entity Information
9 Months Ended
Dec. 30, 2012
Feb. 01, 2013
Entity Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 30, 2012  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q3  
Trading Symbol EXAR  
Entity Registrant Name EXAR CORPORATION  
Entity Central Index Key 0000753568  
Current Fiscal Year End Date --03-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   46,196,732