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| Part Number | AT43USB326-AU | AT43USB326-AC |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Obsolete |
| Applications | Keyboard Controller | Keyboard Controller |
| Core Processor | AVR | AVR |
| Program Memory Type | Mask ROM (16kB) | Mask ROM (16kB) |
| Controller Series | AT43USB | AT43USB |
| RAM Size | 512 x 8 | 512 x 8 |
| Interface | USB | USB |
| Number of I/O | 32 | 32 |
| Voltage - Supply | 4.4V ~ 5.25V | 4.4V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 48-LQFP | 48-LQFP |
| Supplier Device Package | 48-LQFP (7x7) | 48-LQFP (7x7) |
