| PartNumber | STM32L151ZCT6 | STM32L151ZDT6 | STM32L151ZCT6TR |
| Description | ARM Microcontrollers - MCU STM32L15 Low Power M3 256kB 32MHz MCU | ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU | ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M3 MCU |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-144 | LQFP-144 | LQFP-144 |
| Series | STM32L151ZC | STM32L151ZD | STM32L151ZC |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 32 MHz | 32 MHz | - |
| Program Memory Size | 256 kB | 384 kB | - |
| Data RAM Size | 32 kB | 48 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 115 I/O | 116 I/O | - |
| Operating Supply Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V | 1.65 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | Reel |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | Flash | - |
| Data ROM Size | 8 kB | - | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | I2C, SPI, USART, USB | I2C, IrDa, LIN, SPI, UART, USB | - |
| Analog Supply Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V | 1.65 V to 3.6 V |
| DAC Resolution | 12 bit | - | - |
| I/O Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V | 1.65 V to 3.6 V |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 40 Channel | 40 | - |
| Number of Timers/Counters | 8 x 16 bit, 1 x 32 bit | 11 Timer | - |
| Processor Series | STM32L1 | STM32L1 | STM32L1 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 360 | 360 | 500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.65 V | 1.65 V | 1.65 V |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.045518 oz | 0.045518 oz | - |