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| PartNumber | ATTINY85-20MUR | ATTINY85-20MU | ATTINY85-20PI |
| Description | 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz 5V | 8-bit Microcontrollers - MCU AVR 8K FLSH 512B EE 512B SRAM ADC 5V | IC MCU 8BIT 8KB FLASH 8DIP |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | MLF-20 | MLF-20 | - |
| Series | ATtiny85 | ATtiny85 | - |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 20 MHz | 20 MHz | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | - |
| Packaging | Reel | Tray | - |
| Height | 0.75 mm | 0.75 mm | - |
| Length | 4 mm | 4 mm | - |
| Product | MCU | MCU | - |
| Width | 4 mm | 4 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | tinyAVR | tinyAVR | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 6000 | 490 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | AVR | AVR | - |
| Unit Weight | 0.001309 oz | 1.119984 oz | - |
| Program Memory Size | - | 8 kB | - |
| Data RAM Size | - | 512 B | - |
| ADC Resolution | - | 10 bit | - |
| Number of I/Os | - | 6 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Program Memory Type | - | Flash | - |
| Data RAM Type | - | SRAM | - |
| Data ROM Size | - | 512 B | - |
| Data ROM Type | - | EEPROM | - |
| Interface Type | - | USI | - |
| Number of ADC Channels | - | 4 | - |
| Number of Timers/Counters | - | 2 Timer | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2.7 V | - |