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| PartNumber | ATTINY28L-4MU | ATTINY28L-4MI | ATTINY28L-4MC |
| Description | 8-bit Microcontrollers - MCU AVR 2K FLASH 28 PIN PACKAGE - 3V 4MHZ | IC MCU 8BIT 2KB FLASH 32VQFN | IC MCU 8BIT 2KB FLASH 32VQFN |
| Manufacturer | Microchip | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | MLF-32 | - | - |
| Series | ATtiny28L | - | - |
| Core | AVR | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 4 MHz | - | - |
| Program Memory Size | 2 kB | - | - |
| Data RAM Size | 32 B | - | - |
| ADC Resolution | No ADC | - | - |
| Number of I/Os | 11 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Height | 0.88 mm | - | - |
| Length | 5 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Width | 5 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 1 Timer | - | - |
| Processor Series | tinyAVR | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 490 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Tradename | AVR | - | - |