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| Part Number | TMS370C256AFNT | TMS370C756AFNT | TMS370C156AFNT | TMS370C250AFNT |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Discontinued at Digi-Key | Active | Obsolete |
| Core Processor | TMS370 | TMS370 | TMS370 | TMS370 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 5MHz | 5MHz | 5MHz | 5MHz |
| Connectivity | SCI, SPI | SCI, SPI | SCI, SPI | SCI, SPI |
| Peripherals | PWM, WDT | PWM, WDT | PWM, WDT | PWM, WDT |
| Number of I/O | 46 | 46 | 46 | 46 |
| Program Memory Size | - | 16KB (16K x 8) | - | - |
| Program Memory Type | ROMless | OTP | ROMless | ROMless |
| EEPROM Size | 512 x 8 | 512 x 8 | - | 256 x 8 |
| RAM Size | 512 x 8 | 512 x 8 | 256 x 8 | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Data Converters | A/D 8x8b | A/D 8x8b | A/D 8x8b | A/D 8x8b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 68-LCC (J-Lead) | 68-LCC (J-Lead) | 68-LCC (J-Lead) | 68-LCC (J-Lead) |
| Supplier Device Package | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) |
