| PartNumber | ATTINY45-15SZ | ATTINY45-15MT2 | ATTINY45-15MZ |
| Description | 8-bit Microcontrollers - MCU 8-bit 4KB Flash 15MHz Auto | 8-bit Microcontrollers - MCU 4KB Flash 15MHz Auto 150-degrees C | 8-bit Microcontrollers - MCU 4KB Flash 15MHz Auto 125-degrees C |
| 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 | SMD/SMT |
| Package / Case | SOIC-8 | MLF-20 | MLF-20 |
| Series | ATtiny45 | ATtiny45 | ATtiny45 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Reel | Reel |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 256 B | 256 B | 256 B |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Processor Series | tinyAVR | tinyAVR | tinyAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 2000 | 6000 | 6000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.019048 oz | - | - |
| Shipping Restrictions | - | - | |
| Maximum Clock Frequency | - | 16 MHz | - |
| ADC Resolution | - | No ADC | - |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Height | - | 0.75 mm | 0.75 mm |
| Length | - | 4 mm | 4 mm |
| Width | - | 4 mm | 4 mm |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2.7 V | - |