| PartNumber | LM3S308-EGZ25-C2T | LM3S308-EGZ25-C2 | LM3S308-EQN25-C2 |
| Description | ARM Microcontrollers - MCU 32B ARM Cortex MCU | ARM Microcontrollers - MCU 32B ARM Cortex MCU | Microcontrollers - MCU ARM Microcontrollers - MCU IC ARM Cortex-M3 MCU 16K, Ext Temp |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Package / Case | QFN-48 | QFN-48 | - |
| Series | LM3S | LM3S | StellarisR ARMR CortexR-M3S 300 |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 25 MHz | 25 MHz | - |
| Program Memory Size | 16 kB | 16 kB | 16KB (16K x 8) |
| Data RAM Size | 4 kB | 4 kB | - |
| Number of I/Os | 28 I/O | 28 I/O | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Reel | - | Tray |
| Height | 0.95 mm | 0.95 mm | - |
| Length | 7 mm | 7 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | FLASH |
| Width | 7 mm | 7 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Interface Type | I2C/SPI/SSI/UART | I2C/SPI/SSI/UART | - |
| Number of Timers/Counters | 5 Timer | 5 Timer | - |
| Processor Series | Stellaris x00 | Stellaris x00 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 3 V | 3 V | - |
| Tradename | Stellaris | Stellaris | - |
| Package Case | - | - | 48-LQFP |
| Operating Temperature | - | - | -40°C ~ 105°C (TA) |
| Supplier Device Package | - | - | 48-LQFP (7x7) |
| Number of I O | - | - | 28 |
| Speed | - | - | 25MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 4K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | - | - | I2C, Microwire, SPI, SSI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 3 V ~ 3.6 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 8x10b |
| Oscillator Type | - | - | Internal |