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| PartNumber | LM3S9B81-IQC80-C5 | LM3S9B81-IQC80-C3 | LM3S9B81-IQC80-C3T |
| Description | ARM Microcontrollers - MCU Stellaris Micro controller | IC MCU 32BIT 256KB FLASH 100LQFP | IC MCU 32BIT 256KB FLASH 100LQFP |
| Manufacturer | Texas Instruments | - | - |
| Product Category | ARM Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-100 | - | - |
| Series | LM3S9B81 | - | - |
| Core | ARM Cortex M3 | - | - |
| Data Bus Width | 32 bit | - | - |
| Maximum Clock Frequency | 80 MHz | - | - |
| Program Memory Size | 256 kB | - | - |
| Data RAM Size | 96 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 65 I/O | - | - |
| Operating Supply Voltage | 1.3 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Brand | Texas Instruments | - | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C, SPI, UART | - | - |
| Analog Supply Voltage | 3.3 V | - | - |
| I/O Voltage | 3.3 V | - | - |
| Number of ADC Channels | 16 Channel | - | - |
| Number of Timers/Counters | 5 Timer | - | - |
| Processor Series | Stellaris | - | - |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 90 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 1.365 V | - | - |
| Supply Voltage Min | 1.235 V | - | - |
| Tradename | Stellaris | - | - |
| Unit Weight | 0.046530 oz | - | - |