Specification
| Base Part Number | AT90S4433 |
| Speed | 8MHz |
| Voltage Supply | 4 V ~ 6 V (Vcc/Vdd) |
| Supplier Device Package | 28-PDIP |
| RAM Size | 128 x 8 |
| Program Memory Type | Flash |
| Program Memory Size | 4KB (2K x 16) |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Part Status | Obsolete |
| Packaging | Tube |
| Package Case | 28-DIP (0.300", 7.62mm) |
| Oscillator Type | External |
| Operating Temperature | 0 deg C ~ 70 deg C |
| Number of IO | 20 I/O |
| EEPROM Size | 256 x 8 |
| Data Converters | A/D 6x10b |
| Core Size | 8-Bit |
| Core Processor | AVR |
| Connectivity | SPI, UART/USART |
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