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| PartNumber | ATTINY261-15SZ | ATTINY261-15MD | ATTINY261-15MZ |
| Description | 8-bit Microcontrollers - MCU 8-bit 2KB Flash 15MHz Auto | 8-bit Microcontrollers - MCU 2KB Flash Auto 150-degrees C | 8-bit Microcontrollers - MCU 8-bit 2KB Flash 15MHz Auto |
| 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 | SOIC-20 | - | MLF-32 |
| Series | ATtinyx61 | ATtinyx61 | ATtinyx61 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | - | 16 MHz |
| Program Memory Size | 2 kB | 2 kB | 2 kB |
| Data RAM Size | 128 B | 128 B | 128 B |
| ADC Resolution | 10 bit | - | 10 bit |
| Number of I/Os | 16 I/O | - | 16 I/O |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Reel |
| Height | 2.35 mm | - | 0.95 mm |
| Length | 13 mm | - | 5 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7.6 mm | - | 5 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 128 B | 128 B | 128 B |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | SPI | - | SPI |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 11 | - | 11 |
| 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 | 1500 | 5000 | 5000 |
| 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 | 0.028254 oz | - | - |
| Shipping Restrictions | - | - |