| PartNumber | ATTINY441-MMH | ATTINY441-MU | ATTINY441-MMHR |
| Description | 8-bit Microcontrollers - MCU 16MHz 3x3mm 20 VQFN | 8-bit Microcontrollers - MCU 16MHz 4X4 mm 20 VQFN | 8-bit Microcontrollers - MCU 16MHz3x3mm 20VQFN |
| 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 | VQFN-20 | QFN-20 | VQFN-20 |
| Series | ATtiny441 | ATtiny441 | ATtiny441 |
| 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 | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 12 I/O | 12 I/O | - |
| Operating Supply Voltage | 1.7 V to 5.5 V | 1.7 V to 5.5 V | 1.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Reel |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 256 B | 256 B | 256 B |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | I2C, SPI, USARTs |
| Number of ADC Channels | 17 | 12 Channel | - |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | tinyAVR | tinyAVR | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 490 | 6000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 1.7 V | 1.7 V | - |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.002469 oz | 0.004339 oz | 0.002469 oz |
| Product | - | MCU | - |
| Analog Supply Voltage | - | - | - |
| DAC Resolution | - | - | - |
| I/O Voltage | - | - | - |
| Moisture Sensitive | - | Yes | - |
| Watchdog Timers | - | Watchdog Timer | - |