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| PartNumber | STM32L151RBH6A | STM32L151RBH6 | STM32L151RBH6ATR |
| Description | ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash, 32 MHz CPU, USB | ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Low Power 128kB | ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash, 32 MHz CPU, USB |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Package / Case | BGA-64 | - | BGA-64 |
| Series | STM32L151RB-A | STM32L151RB | STM32L151RB-A |
| Operating Supply Voltage | 1.65 V to 3.6 V | 1.8 V to 3.6 V | 1.65 V to 3.6 V |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Analog Supply Voltage | 1.65 V to 3.6 V | - | 1.65 V to 3.6 V |
| I/O Voltage | 1.65 V to 3.6 V | - | 1.65 V to 3.6 V |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | STM32L1 | - | STM32L1 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 3840 | 3840 | 2500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | 3.6 V |
| Supply Voltage Min | 1.65 V | - | 1.65 V |
| Tradename | STM32 | - | STM32 |
| Unit Weight | 0.593908 oz | 0.009171 oz | - |
| RoHS | - | Y | Y |
| Core | - | ARM Cortex M3 | - |
| Data Bus Width | - | 32 bit | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Packaging | - | Tray | Reel |
| Product | - | MCU | - |
| Interface Type | - | I2C , LIN , USB , UART | - |