| PartNumber | AT90PWM3B-16MUR | AT90PWM3B-16MU | AT90PWM3B-16SU |
| Description | 8-bit Microcontrollers - MCU AVR 8KFLASH 3PSC, 16MHz | 8-bit Microcontrollers - MCU AVR 8K FLASH 3PSC BALLAST 16 MHz | 8-bit Microcontrollers - MCU AVR 8K FLASH 3PSC BALLAST |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-32 | QFN-32 | SOIC-32 |
| Series | AT90PWM3B | AT90PWM3B | AT90PWM3B |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Packaging | Reel | Tray | Tube |
| Height | 0.95 mm | 0.95 mm | 2.29 mm |
| Length | 7 mm | 7 mm | 20.88 mm |
| Width | 7 mm | 7 mm | 7.6 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 4000 | 260 | 828 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Unit Weight | 0.002448 oz | 0.002448 oz | 0.027023 oz |
| Program Memory Size | - | 8 kB | 8 kB |
| Data RAM Size | - | 512 B | 512 B |
| ADC Resolution | - | 10 bit | 10 bit |
| Number of I/Os | - | 27 I/O | 27 I/O |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 105 C | + 105 C |
| Program Memory Type | - | Flash | Flash |
| Interface Type | - | SPI, USART | SPI, UART |
| Number of ADC Channels | - | 11 | 11 |
| Number of Timers/Counters | - | 2 Timer | 2 Timer |
| Processor Series | - | AT90PWMx | AT90PWMx |
| Supply Voltage Max | - | 5.5 V | 5.5 V |
| Supply Voltage Min | - | 2.7 V | 2.7 V |