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| PartNumber | ATTINY261-20PU | ATTINY261-20SU | ATTINY261-20MU |
| Description | 8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 16 I/O Pins | 8-bit Microcontrollers - MCU AVR 2K FLSH 128B EE 128B SRAM ADC 5V | 8-bit Microcontrollers - MCU AVR 2K FLSH 128B EE 128B SRAM ADC 5V |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-20 | SOIC-20 | MLF-32 |
| Series | ATtinyx61 | ATtinyx61 | ATtinyx61 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 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 | 10 bit |
| Number of I/Os | 16 I/O | 16 I/O | 16 I/O |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 55 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 125 C | + 85 C |
| Height | 4.95 mm | 2.35 mm | 0.88 mm |
| Length | 26.92 mm | 13 mm | 5 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7.11 mm | 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 | 2-Wire, SPI, USI | SPI, USI | 2-Wire, SPI, USI |
| Number of ADC Channels | 11 | 11 | 11 |
| Number of Timers/Counters | 2 Timer | 3 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 | 18 | 37 | 490 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.079719 oz | 0.028254 oz | - |
| Moisture Sensitive | - | Yes | Yes |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATTINY261-20PU | 8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 16 I/O Pins | |
| ATTINY261-20SU | 8-bit Microcontrollers - MCU AVR 2K FLSH 128B EE 128B SRAM ADC 5V | ||
| ATTINY261-20SUR | 8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE SRAM-20MHz, IND 5V | ||
| ATTINY261-20MU | 8-bit Microcontrollers - MCU AVR 2K FLSH 128B EE 128B SRAM ADC 5V | ||
| ATTINY261-20 | New and Original | ||
| ATTINY261-20MU | IC MCU 8BIT 2KB FLASH 32VQFN | ||
| ATTINY261-20MUR | IC MCU 8BIT 2KB FLASH 32VQFN | ||
| ATTINY261-20PU | IC MCU 8BIT 2KB FLASH 20DIP | ||
| ATTINY261-20SU | IC MCU 8BIT 2KB FLASH 20SOIC | ||
| ATTINY261-20SUR | IC MCU 8BIT 2KB FLASH 20SOIC |