STM32L452CEU3TR - STMicroelectronics

Description: Ultra-low-power with FlexPowerControl – 1.71 V to 3.6 V power supply – -40 °C to 85/125 °C temperature range – 145 nA in VBAT mode: supply for RTC and 32x32-bit backup registers – 22 nA Shutdown mode (5 wakeup pins) – 106 nA Standby mode (5 wakeup pins)