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| Part Number | AT43USB320A-AC |
| Datasheet | AT43USB320A-AC datasheet |
| Description | IC USB MCU EMBED HUB AVR 100LQFP |
| Manufacturer | Microchip Technology |
| Series | AVR® |
| Part Status | Obsolete |
| Applications | USB Hub/Microcontroller |
| Core Processor | AVR |
| Program Memory Type | - |
| Controller Series | AT43USB |
| RAM Size | 512 x 8 |
| Interface | SPI Serial, USB, UART |
| Number of I/O | 32 |
| Voltage - Supply | 4.4V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 100-LQFP |
| Supplier Device Package | 100-LQFP (14x14) |