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| Part Number | AVR64DD28-I/SS | AVR64DA28-I/SS | AVR64DB28-I/SS |
|---|---|---|---|
| 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 | 24MHz | 24MHz | 24MHz |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 22 | 23 | 21 |
| Program Memory Size | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) |
| Program Memory Type | Flash | Flash | Flash |
| EEPROM Size | 256K x 8 | 512 x 8 | 512 x 8 |
| RAM Size | 8K x 8 | 8K x 8 | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Data Converters | A/D 19x12b; D/A 1x10b | A/D 10x12b; D/A 1x10b | A/D 9x12b; D/A 1x10b |
| 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 | 28-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 28-SSOP | 28-SSOP | 28-SSOP |
