| PartNumber | LM3S5U91-IQC80-A2T | LM3S5Y36-IQR80-C0 | LM3S5Y36-IQR80-C0T |
| Description | ARM Microcontrollers - MCU Stellaris LM3S Microcontroller 100-LQFP -40 to 85 | IC MCU 32BIT 16KB FLASH 64LQFP | IC MCU 32BIT 16KB FLASH 64LQFP |
| Manufacturer | Texas Instruments | - | - |
| Product Category | ARM Microcontrollers - MCU | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-100 | - | - |
| Series | LM3S5U91 | - | - |
| Core | ARM Cortex M3 | - | - |
| Data Bus Width | 32 bit | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Product | MCU | - | - |
| Brand | Texas Instruments | - | - |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Unit Weight | 0.046530 oz | - | - |