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| Part Number | ATTINY841-SSU | ATTINY84A-SSU | ATTINY841-SSUR |
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active |
| Core Processor | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit |
| Speed | 16MHz | 20MHz | 16MHz |
| Connectivity | I²C, SPI, UART/USART | USI | I²C, SPI, UART/USART |
| Peripherals | PWM | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT | PWM |
| Number of I/O | 12 | 12 | 12 |
| Program Memory Size | 8KB (8K x 8) | 8KB (4K x 16) | 8KB (8K x 8) |
| Program Memory Type | Flash | Flash | Flash |
| EEPROM Size | 512 x 8 | 512 x 8 | 512 x 8 |
| RAM Size | 512 x 8 | 512 x 8 | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.7V ~ 5.5V | 1.8V ~ 5.5V | 1.7V ~ 5.5V |
| Data Converters | A/D 12x10b | A/D 8x10b | A/D 12x10b |
| Oscillator Type | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 14-SOIC | 14-SOIC |
