| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                Cypress Semiconductor Corp | 
                                            
                                                                                    
                                                | Series | 
                                                CY7C | 
                                            
                                                                                    
                                                | Package | 
                                                Bulk | 
                                            
                                                                                    
                                                | Product Status | 
                                                Active | 
                                            
                                                                                    
                                                | Conevo-Key Programmable | 
                                                Not Verified | 
                                            
                                                                                    
                                                | Memory Size | 
                                                512 x 18 | 
                                            
                                                                                    
                                                | Function | 
                                                Synchronous | 
                                            
                                                                                    
                                                | Data Rate | 
                                                20MHz | 
                                            
                                                                                    
                                                | Access Time | 
                                                40ns | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                4.5 V ~ 5.5 V | 
                                            
                                                                                    
                                                | Current - Supply (Max) | 
                                                35mA | 
                                            
                                                                                    
                                                | Bus Directional | 
                                                Uni-Directional | 
                                            
                                                                                    
                                                | Expansion Type | 
                                                Depth, Width | 
                                            
                                                                                    
                                                | Programmable Flags Support | 
                                                Yes | 
                                            
                                                                                    
                                                | Retransmit Capability | 
                                                Yes | 
                                            
                                                                                    
                                                | FWFT Support | 
                                                No | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                0°C ~ 70°C | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                32-LCC (J-Lead) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                32-PLCC (11.43x13.97) | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                7C421 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                RoHS non-compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                3  (168 Hours) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Affected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.32.0071 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                750 | 
                                            
                                                                                                                
                                
                             
                                                Synchronous FIFO 512 x 18 Uni-Directional 20MHz 40ns 32-PLCC (11.43x13.97)