| Part | Series | CPU Version | Program Memory (KB) | RAM (bytes) | Data EEPROM (bytes) | Max I/O Pins | CPU Speed (MHz) | Peripheral Pin Select (PPS)/Pin Muxing | Internal Oscillator | Comparators | ADCs | ADC Channels | ADC Resolution (bits) | ADC With Computation | DACs | DAC Outputs | DAC Resolution (bits) | Internal Voltage Reference (Bandgap) | Digital Timers (8-bit) | Digital Timers (12-bit) | Digital Timers (16-bit) | Stand Alone PWM | Capture/ Compare/ PWM (CCP) | Max PWM Outputs (including complementary) | PWM Resolution (bits) | UART | USART | SPI | TWI/I2C | USI | LIN | IrDA | Windowed Watch Dog Timer (WWDT) | CRC | Configurable Logic Cell Modules (CLC/CCL) | Capacitive Touch Channels | Temp. Range Min. | Temp. Range Max. | Operation Voltage Min.(V) | Operation Voltage Max.(V) | PDIP | SOIC | SSOP | SOIJ | SOT-23 | TQFP | TSSOP | UFBGA | UDFN | VDFN | VQFN | WLCSP | WQFN | ISP/SPI | debugWIRE | TPI | UPDI |
|---|
| ATtiny102 | - | AVRrc | 1 | 32 | 0 | 6 | 12 | No | Yes | 0 | 0 | 5 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 1 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | | No | No | | No | 0 | 0 | -40 | 125 | 1.8 | 5.5 | | 8-pin | | | | | | | 8-pin | | | | | | | | |
| ATtiny104 | - | AVRrc | 1 | 32 | 0 | 12 | 12 | No | Yes | 0 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 1 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | | No | No | | No | 0 | 0 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | |
| ATtiny13A | - | AVRe | 1 | 64 | 64 | 6 | 20 | No | Yes | 1 | 0 | 4 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 0 | 2 | 0 | 2 | 0 | | | 0 | 0 | | No | No | | No | 0 | 0 | -40 | 125 | 1.8 | 5.5 | 8-pin | 8-pin | | 8-pin | | | | | | 10-pin | | | 20-pin | | | | |
| ATtiny1604 | 0-series | AVRxt | 16 | 1024 | 256 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 12 | 10 | Yes | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | Yes | Yes | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | |
| ATtiny1606 | 0-series | AVRxt | 16 | 1024 | 256 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 12 | 10 | Yes | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | Yes | Yes | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 20-pin | | | | | | | | | 20-pin | | | | | | |
| ATtiny1607 | 0-series | AVRxt | 16 | 1024 | 256 | 22 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 12 | 10 | Yes | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | Yes | Yes | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny1614 | 1-series | AVRxt | 16 | 2048 | 256 | 12 | 20 | Yes | 20 MHz, 32 kHz | 3 | 2 | 10 | 10 | No | 3 | 1 | 8 | Yes | 1 | | 3 | 4 | 0 | 8 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 6 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | |
| ATtiny1616 | 1-series | AVRxt | 16 | 2048 | 256 | 18 | 20 | Yes | 20 MHz, 32 kHz | 3 | 2 | 16 | 10 | No | 3 | 1 | 8 | Yes | 1 | | 3 | 4 | 0 | 8 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 36 | -40 | 125 | 1.8 | 5.5 | | 20-pin | | | | | | | | | 20-pin | | | | | | |
| ATtiny1617 | 1-series | AVRxt | 16 | 2048 | 256 | 22 | 20 | Yes | 20 MHz, 32 kHz | 3 | 2 | 20 | 10 | No | 3 | 1 | 8 | Yes | 1 | | 3 | 4 | 0 | 8 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 49 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny1624 | 2 Family | AVRxt | 16 | 2048 | 256 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 9 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | 14-pin | | | | | | | | | | |
| ATtiny1626 | 2 Family | AVRxt | 16 | 2048 | 256 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 15 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 20-pin | 20-pin | | | | | | | | 20-pin | | | | | | |
| ATtiny1627 | 2 Family | AVRxt | 16 | 2048 | 256 | 22 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 15 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny202 | 0-series | AVRxt | 2 | 128 | 64 | 6 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 2 | 4 | 0 | 0 | 8 | | 1 | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 8-pin | | | | | | | | | | | | | | | yes |
| ATtiny204 | 0-series | AVRxt | 2 | 128 | 64 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 2 | 4 | 0 | 0 | 8 | | 1 | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | yes |
| ATtiny212 | 1-series | AVRxt | 2 | 128 | 64 | 6 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 6 | 10 | No | 1 | 1 | 8 | Yes | 0 | 1 | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 8-pin | | | | | | | | | | | | | | | |
| ATtiny214 | 1-series | AVRxt | 2 | 128 | 64 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 1 | 1 | 8 | Yes | 0 | 1 | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | |
| ATtiny3216 | 1-series | AVRxt | 32 | 2048 | 256 | 18 | 20 | Yes | 20 MHz, 32 kHz | 3 | 2 | 16 | 10 | No | 3 | 1 | 8 | Yes | 1 | | 3 | 4 | 0 | 8 | 0 | | | 1 | 1 | | No | No | | Yes | 1 | 12 | -40 | 125 | 1.8 | 5.5 | | 20-pin | | | | | | | | | | | | | | | |
| ATtiny3217 | 1-series | AVRxt | 32 | 2048 | 256 | 18 | 20 | Yes | 20 MHz, 32 kHz | 3 | 2 | 20 | 10 | No | 3 | 1 | 8 | Yes | 1 | | 3 | 4 | 0 | 8 | 0 | | | 1 | 1 | | No | No | | Yes | 1 | 14 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny3224 | 2 Family | AVRxt | 32 | 3072 | 256 | 12 | 20 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | | | | | | | | | | | | | | | | | | | | | |
| ATtiny3226 | 2 Family | AVRxt | 32 | 3072 | 256 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 15 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 20-pin | 20-pin | | | | | | | | 20-pin | | | | | | |
| ATtiny3227 | 2 Family | AVRxt | 32 | 3072 | 256 | 22 | 20 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | | | | | | | | | | | | | | | | | | | | | |
| ATtiny402 | 0-series | AVRxt | 4 | 256 | 128 | 6 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | 1 | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 8-pin | | | | | | | | | | | | | | | yes |
| ATtiny404 | 0-series | AVRxt | 4 | 256 | 128 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 2 | 4 | 0 | 0 | 8 | | 1 | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | yes |
| ATtiny406 | 0-series | AVRxt | 4 | 256 | 128 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | 1 | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 20-pin | | | | | | | | | 20-pin | | | | | | yes |
| ATtiny412 | 1-series | AVRxt | 4 | 256 | 128 | 6 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 6 | 10 | No | 1 | 1 | 8 | Yes | 0 | 1 | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | No | No | | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 8-pin | | | | | | | | | | | | | | | |
| ATtiny414 | 1-series | AVRxt | 4 | 256 | 128 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 1 | 1 | 8 | Yes | 0 | 1 | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | |
| ATtiny416 | 1-series | AVRxt | 4 | 256 | 128 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 1 | 1 | 8 | Yes | 0 | 1 | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 20-pin | | | | | | | | | 20-pin | | | | | | |
| ATtiny417 | 1-series | AVRxt | 4 | 256 | 128 | 22 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 1 | 1 | 8 | Yes | 0 | | 6 | 8 | 3 | 8 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny424 | 2 Family | AVRxt | 4 | 512 | 128 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 9 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | 14-pin | | | | | | | | | | |
| ATtiny426 | 2 Family | AVRxt | 4 | 512 | 128 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 15 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 20-pin | 20-pin | | | | | | | | 20-pin | | | | | | |
| ATtiny427 | 2 Family | AVRxt | 4 | 512 | 128 | 22 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 15 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny44A | - | AVRe | 4 | 256 | 256 | 12 | 20 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 0 | 1 | 1 | 1 | No | No | | No | 0 | 6 | -40 | 85 | 1.8 | 5.5 | 14-pin | 14-pin | | | | | | 15-pin | | | 20-pin | | 20-pin | | | | |
| ATtiny48 | - | AVRe | 4 | 256 | 64 | 28 | 12 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | No | No | | No | 0 | 12 | -40 | 85 | 1.8 | 5.5 | 28-pin | | | | | 32-pin | | | | | 28-pin & 32-pin | | | | | | |
| ATtiny804 | 0-series | AVRxt | 8 | 512 | 128 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | No | No | | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | |
| ATtiny806 | 0-series | AVRxt | 8 | 512 | 128 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | No | No | | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 20-pin | | | | | | | | | 20-pin | | | | | | |
| ATtiny807 | 0-series | AVRxt | 8 | 512 | 128 | 22 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 12 | 10 | Yes | 0 | 0 | 0 | Yes | 0 | | 2 | 6 | 0 | 0 | 8 | | | 1 | 1 | | Yes | Yes | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny814 | 1-series | AVRxt | 8 | 512 | 128 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 1 | 1 | 8 | Yes | 1 | | 2 | 6 | 0 | 8 | 8 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | | | | | | | | | | | |
| ATtiny816 | 1-series | AVRxt | 8 | 512 | 128 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 1 | 1 | 8 | Yes | 1 | | 2 | 6 | 3 | 8 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | 20-pin | | | | | | | | | 20-pin | | | | | | |
| ATtiny817 | 1-series | AVRxt | 8 | 512 | 128 | 22 | 20 | Yes | 20 MHz, 32 kHz | 1 | 0 | 12 | 10 | No | 1 | 1 | 8 | Yes | 1 | | 2 | 6 | 3 | 8 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 9 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny824 | 2 Family | AVRxt | 8 | 1024 | 128 | 12 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 9 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 14-pin | | | | | 14-pin | | | | | | | | | | |
| ATtiny826 | 2 Family | AVRxt | 8 | 1024 | 128 | 18 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 15 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | 20-pin | 20-pin | | | | | | | | 20-pin | | | | | | |
| ATtiny827 | 2 Family | AVRxt | 8 | 1024 | 128 | 22 | 20 | Yes | 20 MHz, 32 kHz | 1 | 1 | 15 | 12 | No | 0 | 0 | 0 | Yes | 0 | | 3 | 3 | 0 | 10 | 0 | | | 1 | 1 | | No | No | Yes | Yes | 1 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | | | | | | | 24-pin | | | | | | |
| ATtiny10 | - | AVRrc | 1 | 32 | 0 | 4 | 12 | No | Yes | 1 | 0 | 4 | 8 | No | 0 | 0 | 0 | Yes | 0 | | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | | No | No | | No | 0 | 1 | -40 | 125 | 1.8 | 5.5 | | | | | 6-pin | | | | 8-pin | | | | | | | | |
| ATtiny13 | - | AVRe | 1 | 64 | 64 | 6 | 20 | No | Yes | 1 | 0 | 4 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | | No | No | | No | 0 | 0 | -40 | 85 | 1.8 | 5.5 | 8-pin | 8-pin | | 8-pin | | | | | | 10-pin | | | 20-pin | | | | |
| ATtiny1634 | - | AVRe | 16 | 1024 | 256 | 18 | 12 | No | Yes | 0 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 2 | 4 | 0 | 0 | 2 OR SPI | 2 OR USART | 1 | 1 | No | No | | No | 0 | 11 | -40 | 85 | 1.8 | 5.5 | | 20-pin | | | | | | | | | | | 20-pin | | | | |
| ATtiny167 | - | AVRe | 16 | 512 | 512 | 16 | 16 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 9 | 1 | 9 | 0 | 1 | 0 | 1 | 1 | 1 | Yes | No | | No | 0 | 8 | -40 | 150 | 1.8 | 5.5 | | 20-pin | | | | | 20-pin | | | | 32-pin | | 20-pin | | | | |
| ATtiny20 | - | AVRrc | 2 | 128 | 0 | 12 | 12 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 3 | 1 | 3 | 0 | 0 | 0 | 1 | 1 | | No | No | | No | 0 | 5 | -40 | 85 | 1.8 | 5.5 | | 14-pin | | | | | 14-pin | 15-pin | | | 20-pin | 12-pin | | | | | |
| ATtiny2313 | - | AVRe | 2 | 128 | 128 | 18 | 20 | No | Yes | 1 | 0 | 0 | 0 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 1 | 0 | 1 | 1 | No | No | | No | 0 | 4 | -40 | 85 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | | | | | | | 20-pin | | | | |
| ATtiny2313A | - | AVRe | 2 | 128 | 128 | 18 | 20 | No | Yes | 1 | 0 | 0 | 0 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 1 OR SPI | 1 OR UART | 1 | 1 | No | No | | No | 0 | 4 | -40 | 85 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | | | | | 20-pin | | 20-pin | | | | |
| ATtiny24 | - | AVRe | 2 | 128 | 128 | 12 | 20 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 4 | -40 | 85 | 1.8 | 5.5 | 14-pin | 14-pin | | | | | | | | | | | 20-pin | | | | |
| ATtiny24A | - | AVRe | 2 | 128 | 128 | 12 | 20 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 0 | 1 | 1 | 1 | No | No | | No | 0 | 4 | -40 | 85 | 1.8 | 5.5 | 14-pin | 14-pin | | | | | | 15-pin | | | 20-pin | | 20-pin | | | | |
| ATtiny25 | - | AVRe | 2 | 128 | 128 | 6 | 20 | No | Yes | 1 | 0 | 4 | 10 | No | 0 | 0 | 0 | Yes | 2 | | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 4 | -40 | 105 | 1.8 | 5.5 | 8-pin | 8-pin | | 8-pin | | | | | | | | | 20-pin | | | | |
| ATtiny26 | - | AVR | 2 | 128 | 128 | 16 | 16 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 2 | | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 0 | -40 | 85 | 2.7 | 5.5 | 20-pin | 20-pin | | | | | | | | | 32-pin | | | yes | | | |
| ATtiny261 | - | AVRe | 2 | 128 | 128 | 16 | 16 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 0 | -40 | 150 | 2.7 | 5.5 | | 20-pin | | | | | 20-pin | | | | 32-pin | | 20-pin | | | | |
| ATtiny261A | - | AVRe | 2 | 128 | 128 | 16 | 20 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 6 | 1 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 4 | -40 | 150 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | 20-pin | | | | 32-pin | | | | | | |
| ATtiny28L | - | AVR1 | 2 | 0 | 0 | 11 | 4 | No | Yes | 1 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | 1 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | | No | 0 | 0 | -40 | 85 | 1.8 | 5.5 | 28-pin | | | | | 32-pin | | | | | 32-pin | | | | | | |
| ATtiny28V | - | AVR1 | 2 | 0 | 0 | 11 | 1.2 | No | Yes | 1 | 0 | 0 | 0 | No | 0 | 0 | 0 | No | 1 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | No | | No | 0 | 0 | -40 | 85 | 1.8 | 5.5 | 28-pin | | | | | 32-pin | | | | | 32-pin | | | | | | |
| ATtiny4 | - | AVRrc | 0.5 | 32 | 0 | 4 | 12 | No | Yes | 1 | 0 | 0 | 0 | No | 0 | 0 | 0 | Yes | 0 | | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | | No | No | | No | 0 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | 6-pin | | | | 8-pin | | | | | | | | |
| ATtiny40 | - | AVRrc | 4 | 256 | 0 | 18 | 12 | No | Yes | 1 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | | No | No | | No | 0 | 12 | -40 | 85 | 1.8 | 5.5 | | 20-pin | | | | | 20-pin | | | | 20-pin | | | | | | |
| ATtiny4313 | - | AVRe | 4 | 256 | 256 | 18 | 20 | No | Yes | 1 | 0 | 0 | 0 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 1 OR SPI | 1 OR UART | 1 | 1 | No | No | | No | 0 | 6 | -40 | 85 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | | | | | 20-pin | | 20-pin | | | | |
| ATtiny43U | - | AVRe | 4 | 256 | 64 | 16 | 8 | No | Yes | 1 | 0 | 4 | 10 | No | 0 | 0 | 0 | Yes | 2 | | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 8 | -40 | 85 | 0.7 | 5.5 | | 20-pin | | | | | | | | | | | 20-pin | | | | |
| ATtiny44 | - | AVRe | 4 | 256 | 256 | 12 | 20 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 6 | -40 | 85 | 1.8 | 5.5 | 14-pin | 14-pin | | | | | | | | | | | 20-pin | | | | |
| ATtiny441 | - | AVRe | 4 | 256 | 256 | 12 | 16 | No | Yes | 0 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 2 | 6 | 2 | 6 | 0 | 0 | 2 | 1 | 1 | 0 | No | No | | No | 0 | 0 | -40 | 85 | 1.7 | 5.5 | | 14-pin | | | | | | | | | 20-pin | | 20-pin | | | | |
| ATtiny45 | - | AVRe | 4 | 256 | 256 | 6 | 20 | No | Yes | 1 | 0 | 4 | 10 | No | 0 | 0 | 0 | Yes | 2 | | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 3 | -40 | 150 | 1.8 | 5.5 | 8-pin | | | 8-pin | | | 8-pin | | | | | | 20-pin | | | | |
| ATtiny461 | - | AVRe | 4 | 256 | 256 | 16 | 16 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 6 | 1 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 8 | -40 | 150 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | 20-pin | | | | 32-pin | | 20-pin | | | | |
| ATtiny461A | - | AVRe | 4 | 256 | 256 | 16 | 20 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 6 | 1 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 8 | -40 | 85 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | 20-pin | | | | 32-pin | | | | | | |
| ATtiny5 | - | AVRrc | 0.5 | 32 | 0 | 4 | 12 | No | Yes | 1 | 0 | 4 | 8 | No | 0 | 0 | 0 | Yes | 0 | | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | | No | No | | No | 0 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | 6-pin | | | | 8-pin | | | | | | | | |
| ATtiny828 | - | AVRe | 8 | 512 | 256 | 28 | 20 | No | Yes | 1 | 0 | 28 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 1 | 1 | 1 | 0 | No | No | | No | 0 | 0 | -40 | 85 | 1.7 | 5.5 | | | | | | 32-pin | | | | | 32-pin | | | | | | |
| ATtiny84 | - | AVRe | 8 | 512 | 512 | 12 | 20 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 6 | -40 | 85 | 1.8 | 5.5 | 14-pin | 14-pin | | | | | | | | | | | 20-pin | | | | |
| ATtiny841 | - | AVRe | 8 | 512 | 512 | 12 | 16 | No | Yes | 2 | 0 | 12 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 2 | 6 | 2 | 6 | 0 | 0 | 2 | 1 | 1 | 0 | No | No | | No | 0 | 0 | -40 | 85 | 1.7 | 5.5 | | 14-pin | | | | | | | | | 20-pin | | 20-pin | | | | |
| ATtiny84A | - | AVRe | 8 | 512 | 512 | 12 | 20 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 4 | 1 | 4 | 0 | 0 | 0 | 1 | 1 | 1 | No | No | | No | 0 | 6 | -40 | 85 | 1.8 | 5.5 | 14-pin | 14-pin | | | | | | 15-pin | | | 20-pin | | 20-pin | | | | |
| ATtiny85 | - | AVRe | 8 | 512 | 512 | 6 | 20 | No | Yes | 1 | 0 | 4 | 10 | No | 0 | 0 | 0 | Yes | 2 | | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 3 | -40 | 85 | 1.8 | 5.5 | 8-pin | | | 8-pin | | | | | | | | | 20-pin | | | | |
| ATtiny861 | - | AVRe | 8 | 512 | 512 | 16 | 16 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 6 | 1 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 8 | -40 | 150 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | 20-pin | | | | 32-pin | | 20-pin | | | | |
| ATtiny861A | - | AVRe | 8 | 512 | 512 | 16 | 20 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 6 | 1 | 6 | 0 | 0 | 0 | 0 | 1 | 1 | No | No | | No | 0 | 8 | -40 | 85 | 1.8 | 5.5 | 20-pin | 20-pin | | | | | 20-pin | | | | 32-pin | | | | | | |
| ATtiny87 | - | AVRe | 8 | 512 | 512 | 16 | 16 | No | Yes | 1 | 0 | 11 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 9 | 1 | 9 | 0 | 1 | 0 | 1 | 1 | 1 | Yes | No | | No | 0 | 0 | -40 | 150 | 1.8 | 5.5 | | 20-pin | | | | | 20-pin | | | | 32-pin | | | | | | |
| ATtiny88 | - | AVRe | 8 | 512 | 64 | 28 | 12 | No | Yes | 1 | 0 | 8 | 10 | No | 0 | 0 | 0 | Yes | 1 | | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | No | No | | No | 0 | 12 | -40 | 85 | 1.8 | 5.5 | 28-pin | | | | | 32-pin | | | | | 28-pin & 32-pin | | | | | | |
| ATtiny9 | - | AVRrc | 1 | 32 | 0 | 4 | 12 | No | Yes | 1 | 0 | 0 | 0 | No | 0 | 0 | 0 | Yes | 0 | | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | | No | No | | No | 0 | 0 | -40 | 125 | 1.8 | 5.5 | | | | | 6-pin | | | | 8-pin | | | | | | | | |