| PartNumber | AT90PWM81-16MN | AT90PWM81-16MF | AT90PWM81-16SF |
| Description | 8-bit Microcontrollers - MCU 8K Flash, 256RAM 2 PSC, 40-105c | 8-bit Microcontrollers - MCU 8K Flash, 256RAM 2 PSC, 40-125c | 8-bit Microcontrollers - MCU 8K Flash, 256RAM 2 PSC, 40-125c |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-32 | QFN-32 | SOIC-20 |
| Series | AT90PWM81 | AT90PWM81 | AT90PWM81 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | 10 bit | 10 bit | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 125 C | + 125 C |
| Packaging | Tray | Tray | Tube |
| Height | 0.95 mm | 0.95 mm | 2.35 mm |
| Length | 5 mm | 5 mm | 13 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 5 mm | 5 mm | 7.6 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | SPI | SPI | SPI |
| Number of ADC Channels | 11 | 11 | - |
| Number of Timers/Counters | 1 Timer | 1 Timer | 1 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 490 | 37 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.002448 oz | 0.002448 oz | 0.028254 oz |
| Moisture Sensitive | - | Yes | Yes |