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| PartNumber | TMS370C250AFNT | TMS370C256AFNT | TMS370C250FNA |
| Description | 8-bit Microcontrollers - MCU 8B MCU | 8-bit Microcontrollers - MCU 8B MCU | Microcontroller, 8-Bit, TMS370 CPU, 5MHz, CMOS, PQCC68 |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | N | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PLCC-68 | PLCC-68 | - |
| Series | TMS370 | TMS370 | - |
| Core | TMS370 | TMS370 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 5 MHz | 5 MHz | - |
| Data RAM Size | 256 B | 512 B | - |
| ADC Resolution | 8 bit | 8 bit | - |
| Number of I/Os | 44 I/O | 44 I/O | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Height | 4.06 mm | 4.06 mm | - |
| Length | 24.23 mm | 24.23 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | ROMLess | ROMLess | - |
| Width | 24.23 mm | 24.23 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Interface Type | SCI, SPI | SCI, SPI | - |
| Number of ADC Channels | 8 | 8 | - |
| Number of Timers/Counters | 2 Timer | 2 Timer | - |
| Processor Series | TMS370C | TMS370C | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 3 V, 4.5 V | 3 V, 4.5 V | - |
| Unit Weight | 0.171777 oz | 0.171777 oz | - |