| Core Processor | AVR | |
| Operating Temperature | -40°C ~ 85°C | |
| Program Memory Type | SRAM (24kB) | |
| Applications | USB Microcontroller | |
| RAM Size | 1K x 8 | |
| ECCN | EAR99 | |
| Number of I/O | 27 | |
| Mounting Type | Surface Mount | |
| Product Status | Obsolete | |
| Supplier Device Package | 64-LQFP (10x10) | |
| Series | AVR® | |
| Package / Case | 64-LQFP | |
| Voltage - Supply | 4.4V ~ 5.25V | |
| REACH Status | REACH Unaffected | |
| Mfr | Microchip Technology | |
| HTSUS | 8542.31.0001 | |
| Package | Tray | |
| Controller Series | AT43USB | |
| Interface | SPI, 3-Wire Serial | |
| RoHS Status | ROHS3 Compliant | |
| Base Product Number | AT43USB355 | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
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Customers are responsible for shipping costs, bank charges, customs duties and taxes.
Shipments are made once a day around 5pm, excluding Sundays.
Once shipped, the estimated delivery time is usually 5-7 business days, depending on the courier you choose.
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If you have any questions, please contact our customer service team for assistance