| Parameters | 
                                                                                                                        
                                                | Mfr | Nuvoton Technology Corporation | 
                                                                                    
                                                | Series | ChipCorder® | 
                                                                                    
                                                | Package | Tube | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Interface | Pushbutton, SPI | 
                                                                                    
                                                | Input Signal | Analog - Single Ended, Microphone | 
                                                                                    
                                                | Output Signal | Analog - Single Ended, PWM Speaker Output | 
                                                                                    
                                                | Sampling Frequency | 4 ~ 12kHz | 
                                                                                    
                                                | Duration | 60 ~ 180 Sec | 
                                                                                    
                                                | Filter Pass Band | - | 
                                                                                    
                                                | Messaging | Multiple | 
                                                                                    
                                                | Oscillator Type | Internal | 
                                                                                    
                                                | Features | Automatic Gain Control, Volume Control | 
                                                                                    
                                                | Operating Temperature | 0°C ~ 70°C (TA) | 
                                                                                    
                                                | Voltage - Supply | 2.4 V ~ 5.5 V | 
                                                                                    
                                                | Mounting Type | Through Hole | 
                                                                                    
                                                | Package / Case | 28-DIP (0.600", 15.24mm) | 
                                                                                    
                                                | Supplier Device Package | 28-DIP | 
                                                                                    
                                                | Base Product Number | ISD1790 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Other Names | I1790PY | 
                                                                                    
                                                | Standard Package | 15 | 
                                                                                                                
                                
                             
                                                Voice Record/Playback IC Multiple Message 60 ~ 180 Sec Pushbutton, SPI 28-DIP