| Part Number | AT90S4433-8PC | AT90S4434-8PC |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Obsolete | Obsolete |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 8MHz | 8MHz |
| Connectivity | SPI, UART/USART | SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | POR, PWM, WDT |
| Number of I/O | 20 | 32 |
| Program Memory Size | 4KB (2K x 16) | 4KB (2K x 16) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | 256 x 8 | 256 x 8 |
| RAM Size | 128 x 8 | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 6V | 4V ~ 6V |
| Data Converters | A/D 6x10b | A/D 8x10b |
| Oscillator Type | External | Internal |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 28-DIP (0.300", 7.62mm) | 40-DIP (0.600", 15.24mm) |
| Supplier Device Package | 28-PDIP | 40-PDIP |