| PartNumber | ATTINY28V-1AU | ATTINY28V-1MU | ATTINY28V-1AUR |
| Description | 8-bit Microcontrollers - MCU AVR 2K FLASH 28 PIN PACKAGE - 1.8V 1MHZ | 8-bit Microcontrollers - MCU AVR 2K FLASH 28 PIN PACKAGE - 1.8V 1MHZ | 8-bit Microcontrollers - MCU AVR 2K FL 1MHZ IND GRN 1.8V |
| 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 | - |
| Package / Case | TQFP-32 | MLF-32 | TQFP-32 |
| Series | ATtiny28L | ATtiny28L | ATtiny28L |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 1 MHz | 1 MHz | 1 MHz |
| Program Memory Size | 2 kB | 2 kB | - |
| Data RAM Size | 32 B | 32 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 11 I/O | 11 I/O | - |
| 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 | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | Reel |
| Height | 1 mm | 0.88 mm | - |
| Length | 7 mm | 5 mm | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | - |
| Width | 7 mm | 5 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 2 Timer | 1 Timer | - |
| Processor Series | tinyAVR | tinyAVR | tinyAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 490 | 2000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 1.8 V | 1.8 V | - |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.002568 oz | - | - |