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| PartNumber | LM3S6618-IBZ50-A2T | LM3S6618-IQC50-A2 | LM3S6618-IBZ50-A2 |
| Description | ARM Microcontrollers - MCU IC ARM Cortex-M3 MCU 128K Ind Temp | ARM Microcontrollers - MCU LM3S6618 | ARM Microcontrollers - MCU IC ARM Cortex-M3 MCU 128K, Ind Temp |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | nFBGA-108 | LQFP-100 | nFBGA-108 |
| Series | LM3S6618 | LM3S6618 | LM3S6618 |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 50 MHz | 50 MHz | 50 MHz |
| Program Memory Size | 128 kB | 128 kB | 128 kB |
| Data RAM Size | 32 kB | 32 kB | 32 kB |
| Number of I/Os | 38 I/O | 38 I/O | 38 I/O |
| Operating Supply Voltage | 2.5 V | 2.5 V | 2.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Tray |
| Height | 1.02 mm | 1.4 mm | 1.02 mm |
| Length | 10 mm | 14 mm | 10 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 10 mm | 14 mm | 10 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Interface Type | I2C, SPI, SSI, UART | I2C, SPI, SSI, UART | I2C, SPI, SSI, UART |
| Analog Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 6 Timer | 6 Timer | 6 Timer |
| Processor Series | Stellaris | Stellaris | Stellaris |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1000 | 90 | 184 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 2.75 V | 2.75 V | 2.75 V |
| Supply Voltage Min | 2.25 V | 2.25 V | 2.25 V |
| Tradename | Stelaris | Stelaris | Stelaris |
| Unit Weight | - | 0.046530 oz | - |