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| PartNumber | TSC87251G2D-L16CBR | TSC87251G2D-L16CE | TSC87251G2D-L16CB |
| Description | IC MCU 8/16BIT 32KB OTP 44PLCC | IC MCU 8/16BIT 32KB OTP 44VQFP | IC MCU 8/16BIT 32KB OTP 44PLCC |
| Manufacturer | - | Atmel | Atmel |
| Product Category | - | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Series | - | 8x251 | 8x251 |
| Packaging | - | Tray | Tube |
| Package Case | - | 44-LQFP | 44-LCC (J-Lead) |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supplier Device Package | - | 44-VQFP (10x10) | 44-PLCC (16.59x16.59) |
| Number of I O | - | 32 | 32 |
| Speed | - | 16MHz | 16MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | C251 | C251 |
| RAM Size | - | 1K x 8 | 1K x 8 |
| Program Memory Type | - | OTP | OTP |
| Peripherals | - | POR, PWM, WDT | POR, PWM, WDT |
| Connectivity | - | EBI/EMI, I2C, Microwire, SPI, UART/USART | EBI/EMI, I2C, Microwire, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | 2.7 V ~ 5.5 V | 2.7 V ~ 5.5 V |
| Core Size | - | 8/16-Bit | 8/16-Bit |
| Program Memory Size | - | 32KB (32K x 8) | 32KB (32K x 8) |
| Data Converters | - | - | - |
| Oscillator Type | - | Internal | Internal |