| PartNumber | STM32L073RZT6 | STM32L073RZT3 | STM32L073RZT6TR |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU with 192 Kbytes Flash, 32 MHz CPU, USB, LCD |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | - | - |
| Series | STM32L073RZ | STM32L073RZ | STM32L073RZ |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 125 C | - |
| Product | MCU | MCU | - |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Interface Type | I2C, SPI, USART, LPUART, USB | I2C, SPI, USART, LPUART, USB | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 960 | 960 | 1000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | STM32 | STM32 | STM32 |
| Unit Weight | 0.012088 oz | - | - |
| Package / Case | - | - | LQFP-64 |