| PartNumber | ATTINY84A-MFR | ATTINY84A-MF | ATTINY84A-MMH |
| Description | 8-bit Microcontrollers - MCU 16MHz 4x4 WQFN, High Grade+125C,Green,T&R | 8-bit Microcontrollers - MCU 16MHz 4x4 WQFN, High Grade +125C, Green | 8-bit Microcontrollers - MCU 20MHz Ind. Grade |
| 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 | WQFN-20 | WQFN-20 | VQFN-20 |
| Series | ATtiny84 | ATtiny84 | ATtiny84 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 512 B | 512 B | 512 B |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Packaging | Reel | Tray | Tray |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | SPI, USI | SPI, USI | SPI, USI |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 6000 | 490 | 490 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Tradename | AVR | AVR | AVR |
| Unit Weight | - | 0.001309 oz | 0.002469 oz |
| Maximum Operating Temperature | - | - | + 85 C |
| Height | - | - | 0.85 mm |
| Length | - | - | 3 mm |
| Width | - | - | 3 mm |
| Processor Series | - | - | tinyAVR |