 | |  | |
| PartNumber | ATTINY28L-4AU | ATTINY28L-4AI | ATTINY28L-4AC |
| Description | 8-bit Microcontrollers - MCU AVR 2K FLASH 28 PIN PACKAGE - 3V 4MHZ | 8-bit Microcontrollers - MCU AVR 2K FLASH 28 PIN PACKAGE - 3V 4MHZ | IC MCU 8BIT 2KB FLASH 32TQFP |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TQFP-32 | TQFP-32 | - |
| Series | ATtiny28L | ATtiny28L | AVRR ATtiny |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 4 MHz | 4 MHz | - |
| Program Memory Size | 2 kB | 2 kB | 2KB (1K x 16) |
| 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 | 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 | - | Tray |
| Height | 1 mm | 1 mm | - |
| Length | 7 mm | 7 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | FLASH |
| Width | 7 mm | 7 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 1 Timer | 1 Timer | - |
| Processor Series | tinyAVR | tinyAVR | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 250 | 250 | - |
| Subcategory | 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 | - |
| Unit Weight | 0.002568 oz | 0.002568 oz | - |
| Package Case | - | - | 32-TQFP |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Supplier Device Package | - | - | 32-TQFP (7x7) |
| Number of I O | - | - | 11 |
| Speed | - | - | 4MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | AVR |
| RAM Size | - | - | - |
| Peripherals | - | - | POR, WDT |
| Connectivity | - | - | - |
| Voltage Supply Vcc Vdd | - | - | 2.7 V ~ 5.5 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | - |
| Oscillator Type | - | - | Internal |