| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 64-LQFP | 
                                                                            
                                            | Supplier Device Package | 64-LQFP (10x10) | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tray | 
                                                                            
                                            | Published | 1997 | 
                                                                            
                                            | Series | AVR® | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | Applications | USB Microcontroller | 
                                                                            
                                            | Voltage - Supply | 4.4V~5.25V | 
                                                                            
                                            | Base Part Number | AT43USB355 | 
                                                                            
                                            | Interface | SPI, 3-Wire Serial | 
                                                                            
                                            | Number of I/O | 27 | 
                                                                            
                                            | RAM Size | 1K x 8 | 
                                                                            
                                            | Core Processor | AVR | 
                                                                            
                                            | Program Memory Type | SRAM (24kB) | 
                                                                            
                                            | Controller Series | AT43USB | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                AT43USB355E-AU Overview
The outstanding performance of USB Microcontroller makes it an excellent choice.A space-saving advantage is that it is included in the 64-LQFP package.Using Surface Mount, it is mounted.A package of Tray contains it.A core processor of AVR is present in the device.The temperature should be kept at -40°C~85°C while working.Memory type SRAM (24kB) is used for program memory.Due to the 4.4V~5.25V supply voltage, a high degree of efficiency can be achieved.The device has 27 I/Os.Application Specific Microcontroller has a part number of AT43USB355 that can be used to locate similar components.The controller belongs to the series AT43USB.The electrical component is part of the series AVR?.
AT43USB355E-AU Features
64-LQFP package
Mounting type of Surface Mount
AT43USB355E-AU Applications
There are a lot of Microchip Technology AT43USB355E-AU Microcontroller applications. 
- Heart rate monitors
- Dialysis machines (performs function of liver)
- Robots
- Oscilloscopes
- Calculators
- Kindle
- Oil and gas
- Graphic terminals
- Firewalls
- Accu-check