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| PartNumber | LM3S1958-IBZ50-A2 | LM3S1958-EQC50-A2 | LM3S1958-EQC50-A2T |
| Description | ARM Microcontrollers - MCU IC ARM CORTEX MCU | ARM Microcontrollers - MCU 32B ARM Cortex MCU | IC MCU 32BIT 256KB FLASH 100LQFP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | nFBGA-108 | LQFP-100 | - |
| Series | LM3S1958 | LM3S | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 50 MHz | 50 MHz | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 64 kB | 64 kB | - |
| Number of I/Os | 52 I/O | 52 I/O | - |
| Operating Supply Voltage | 2.5 V | 2.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 105 C | - |
| Packaging | Tray | Tray | - |
| Height | 1.02 mm | 1.45 mm | - |
| Length | 10 mm | 14.2 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Width | 10 mm | 14.2 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Interface Type | I2C, SPI, SSI, UART | I2C/SPI/SSI/UART | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| Development Kit | RDK-IDM-L35 | - | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 6 Timer | 6 Timer | - |
| Processor Series | Stellaris | Stellaris | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 184 | 1 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 2.75 V | 2.75 V | - |
| Supply Voltage Min | 2.25 V | 2.25 V | - |
| Tradename | Stelaris | Stellaris | - |
| Unit Weight | - | 0.046530 oz | - |