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| Part Number | AT90S1200-4YI | AT90S1200A-4YI | AT90S1200-4PI | AT90S1200-4SI | AT90S1200-4YC |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Core Processor | AVR | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 4MHz | 4MHz | 4MHz | 4MHz | 4MHz |
| Connectivity | SPI | SPI | SPI | SPI | SPI |
| Peripherals | POR, WDT | POR, WDT | POR, WDT | POR, WDT | POR, WDT |
| Number of I/O | 15 | 15 | 15 | 15 | 15 |
| Program Memory Size | 1KB (512 x 16) | 1KB (512 x 16) | 1KB (512 x 16) | 1KB (512 x 16) | 1KB (512 x 16) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | 64 x 8 | 64 x 8 | 64 x 8 | 64 x 8 | 64 x 8 |
| RAM Size | - | - | - | - | - |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 6V | 2.7V ~ 6V | 2.7V ~ 6V | 2.7V ~ 6V | 2.7V ~ 6V |
| Data Converters | - | - | - | - | - |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) | 20-SSOP (0.209", 5.30mm Width) | 20-DIP (0.300", 7.62mm) | 20-SOIC (0.295", 7.50mm Width) | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP | 20-SSOP | 20-PDIP | 20-SOIC | 20-SSOP |
