| PartNumber | LM3S1138-EQC50-A2 | LM3S1138-EQC50-A2T | LM3S1138-IBZ50-A2 |
| Description | ARM Microcontrollers - MCU 32B ARM Cortex MCU | ARM Microcontrollers - MCU 32B ARM Cortex MCU | IC MCU 32BIT 64KB FLASH 108BGA Stellaris ARM Cortex-M3S 1000 |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-100 | LQFP-100 | - |
| Series | LM3S1138 | LM3S1138 | StellarisR ARMR CortexR-M3S 1000 |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Operating Supply Voltage | 2.5 V | 2.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Tray | Reel | Tray Alternate Packaging |
| Product | MCU | MCU | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | Stellaris | Stellaris | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 90 | 1000 | - |
| 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 | Stelaris | - |
| Unit Weight | 0.046530 oz | 0.046530 oz | - |
| Package Case | - | - | 108-LFBGA |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 108-BGA (10x10) |
| Number of I O | - | - | 46 |
| Speed | - | - | 50MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 16K x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | - | - | I2C, IrDA, Microwire, SPI, SSI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 2.25 V ~ 2.75 V |
| Core Size | - | - | 32-Bit |
| Program Memory Size | - | - | 64KB (64K x 8) |
| Data Converters | - | - | A/D 8x10b |
| Oscillator Type | - | - | Internal |