| PartNumber | ATTINY24-20MU | ATTINY24-20PU | ATTINY24-20MUR |
| Description | 8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 12 I/O Pins | 8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 12 I/O Pins | 8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE USI ADC 20MHz IND 5V |
| 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 | Through Hole | - |
| Package / Case | QFN-20 | PDIP-14 | WQFN-20 |
| Series | ATtiny24 | ATtiny24 | ATtiny24 |
| 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 | 2 kB | 2 kB | - |
| Data RAM Size | 128 B | 128 B | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 12 I/O | 12 I/O | - |
| 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 | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tube | Reel |
| Height | 0.74 mm | 5.33 mm | - |
| Length | 4 mm | 19.68 mm | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | - |
| Width | 4 mm | 7.11 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 128 B | 128 B | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | USI | SPI | - |
| Moisture Sensitive | Yes | - | Yes |
| Number of ADC Channels | 8 | 8 | - |
| Number of Timers/Counters | 2 Timer | 2 Timer | - |
| Processor Series | tinyAVR | tinyAVR | tinyAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 25 | 6000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.004339 oz | 0.057144 oz | - |