v2.4.0.6
Document and Entity Information
3 Months Ended
Mar. 31, 2013
Apr. 28, 2013
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2013  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1  
Trading Symbol CY  
Entity Registrant Name CYPRESS SEMICONDUCTOR CORP /DE/  
Entity Central Index Key 0000791915  
Current Fiscal Year End Date --12-30  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   147,038,552