STM32L431RCT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32l431rct6",
  "title": "STM32L431RCT6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "stm32l431rct6"
  ],
  "component": {
    "mpn": "STM32L431RCT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm32l431rct6.pdf",
    "parts": {
      "symbol": "stm32l431rct6.kicad_sym",
      "footprint": "stm32l431rct6.kicad_mod",
      "model_3d": "stm32l431rct6-etched.glb",
      "model_3d_plain": "stm32l431rct6.glb",
      "model_3d_step": "stm32l431rct6-etched.step",
      "model_3d_step_plain": "stm32l431rct6.step",
      "lbr": "stm32l431rct6.lbr"
    },
    "distributor_links": {
      "digikey": "497-17960-ND",
      "lcsc": "C92468"
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply, 1.55-3.6 V. Feeds RTC, LSE and backup registers when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO through backup power switch (limited drive, ≤3 mA, ≤2 MHz, ≤30 pF). Alt: EVENTOUT. Additional: RTC_TAMP1, RTC_TS, RTC_OUT, WKUP2."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "PC14 GPIO / LSE 32.768 kHz crystal input (OSC32_IN). Backup-domain, limited drive."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "PC15 GPIO / LSE 32.768 kHz crystal output (OSC32_OUT). Backup-domain, limited drive."
      },
      {
        "number": "5",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "PH0 GPIO / HSE main crystal oscillator input (4-48 MHz)."
      },
      {
        "number": "6",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "PH1 GPIO / HSE main crystal oscillator output."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset. Active low with internal pull-up; can be driven low by the MCU to reset external circuitry."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5V-tolerant FT_fa GPIO. Alt: LPTIM1_IN1, I2C3_SCL, LPUART1_RX, LPTIM2_IN1, EVENTOUT. Additional: ADC1_IN1."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5V-tolerant FT_fa GPIO. Alt: LPTIM1_OUT, I2C3_SDA, LPUART1_TX, EVENTOUT. Additional: ADC1_IN2."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "FT_a GPIO (analog capable). Alt: LPTIM1_IN2, SPI2_MISO, EVENTOUT. Additional: ADC1_IN3."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: LPTIM1_ETR, SPI2_MOSI, SAI1_SD_A, LPTIM2_ETR, EVENTOUT. Additional: ADC1_IN4."
      },
      {
        "number": "12",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and negative ADC/DAC reference (combined pin on LQFP64)."
      },
      {
        "number": "13",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog supply and positive ADC/DAC reference (combined pin on LQFP64), 1.62-3.6 V."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: TIM2_CH1, USART2_CTS, COMP1_OUT, SAI1_EXTCLK, TIM2_ETR, EVENTOUT. Additional: OPAMP1_VINP, COMP1_INM, ADC1_IN5, RTC_TAMP2, WKUP1."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: TIM2_CH2, I2C1_SMBA, SPI1_SCK, USART2_RTS_DE, TIM15_CH1N, EVENTOUT. Additional: OPAMP1_VINM, COMP1_INP, ADC1_IN6."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: TIM2_CH3, USART2_TX, LPUART1_TX, QUADSPI_BK1_NCS, COMP2_OUT, TIM15_CH1, EVENTOUT. Additional: COMP2_INM, ADC1_IN7, WKUP4, LSCO."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TT_a GPIO (3.3 V-tolerant analog). Alt: TIM2_CH4, USART2_RX, LPUART1_RX, QUADSPI_CLK, SAI1_MCLK_A, TIM15_CH2, EVENTOUT. Additional: OPAMP1_VOUT, COMP2_INP, ADC1_IN8."
      },
      {
        "number": "18",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital core/IO supply, 1.71-3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_a GPIO. Alt: SPI1_NSS, SPI3_NSS, USART2_CK, SAI1_FS_B, LPTIM2_OUT, EVENTOUT. Additional: COMP1_INM, COMP2_INM, ADC1_IN9, DAC1_OUT1."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_a GPIO. Alt: TIM2_CH1, TIM2_ETR, SPI1_SCK, LPTIM2_ETR, EVENTOUT. Additional: COMP1_INM, COMP2_INM, ADC1_IN10, DAC1_OUT2."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: TIM1_BKIN, SPI1_MISO, COMP1_OUT, USART3_CTS, LPUART1_CTS, QUADSPI_BK1_IO3, TIM1_BKIN_COMP2, TIM16_CH1, EVENTOUT. Additional: ADC1_IN11."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FT_fa GPIO. Alt: TIM1_CH1N, I2C3_SCL, SPI1_MOSI, QUADSPI_BK1_IO2, COMP2_OUT, EVENTOUT. Additional: ADC1_IN12."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: USART3_TX, EVENTOUT. Additional: COMP1_INM, ADC1_IN13."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: USART3_RX, EVENTOUT. Additional: COMP1_INP, ADC1_IN14, WKUP5."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: TIM1_CH2N, SPI1_NSS, USART3_CK, QUADSPI_BK1_IO1, COMP1_OUT, SAI1_EXTCLK, EVENTOUT. Additional: ADC1_IN15."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: TIM1_CH3N, USART3_RTS_DE, LPUART1_RTS_DE, QUADSPI_BK1_IO0, LPTIM2_IN1, EVENTOUT. Additional: COMP1_INM, ADC1_IN16."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "FT_a GPIO. Alt: RTC_OUT, LPTIM1_OUT, I2C3_SMBA, EVENTOUT. Additional: COMP1_INP."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: TIM2_CH3, I2C2_SCL, SPI2_SCK, USART3_TX, LPUART1_RX, TSC_SYNC, QUADSPI_CLK, COMP1_OUT, SAI1_SCK_A, EVENTOUT."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: TIM2_CH4, I2C2_SDA, USART3_RX, LPUART1_TX, QUADSPI_BK1_NCS, COMP2_OUT, EVENTOUT."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital core/IO supply, 1.71-3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: TIM1_BKIN, TIM1_BKIN_COMP2, I2C2_SMBA, SPI2_NSS, USART3_CK, LPUART1_RTS_DE, TSC_G1_IO1, SWPMI1_IO, SAI1_FS_A, TIM15_BKIN, EVENTOUT."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: TIM1_CH1N, I2C2_SCL, SPI2_SCK, USART3_CTS, LPUART1_CTS, TSC_G1_IO2, SWPMI1_TX, SAI1_SCK_A, TIM15_CH1N, EVENTOUT."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: TIM1_CH2N, I2C2_SDA, SPI2_MISO, USART3_RTS_DE, TSC_G1_IO3, SWPMI1_RX, SAI1_MCLK_A, TIM15_CH1, EVENTOUT."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: RTC_REFIN, TIM1_CH3N, SPI2_MOSI, TSC_G1_IO4, SWPMI1_SUSPEND, SAI1_SD_A, TIM15_CH2, EVENTOUT."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: TSC_G4_IO1, SDMMC1_D6, EVENTOUT."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: TSC_G4_IO2, SDMMC1_D7, EVENTOUT."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: TSC_G4_IO3, SDMMC1_D0, EVENTOUT."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: TSC_G4_IO4, SDMMC1_D1, EVENTOUT."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: MCO, TIM1_CH1, USART1_CK, SWPMI1_IO, SAI1_SCK_A, LPTIM2_OUT, EVENTOUT."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: TIM1_CH2, I2C1_SCL, USART1_TX, SAI1_FS_A, TIM15_BKIN, EVENTOUT."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: TIM1_CH3, I2C1_SDA, USART1_RX, SAI1_SD_A, EVENTOUT."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT_u GPIO (USB-tolerant). Alt: TIM1_CH4, TIM1_BKIN2, SPI1_MISO, COMP1_OUT, USART1_CTS, CAN1_RX, TIM1_BKIN2_COMP1, EVENTOUT."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT_u GPIO. Alt: TIM1_ETR, SPI1_MOSI, USART1_RTS_DE, CAN1_TX, EVENTOUT."
      },
      {
        "number": "46",
        "name": "PA13 (JTMS-SWDIO)",
        "type": "bidirectional",
        "description": "FT GPIO; after reset configured as JTMS-SWDIO with internal pull-up. Alt: JTMS-SWDIO, IR_OUT, SWPMI1_TX, SAI1_SD_B, EVENTOUT."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital core/IO supply, 1.71-3.6 V."
      },
      {
        "number": "49",
        "name": "PA14 (JTCK-SWCLK)",
        "type": "bidirectional",
        "description": "FT GPIO; after reset configured as JTCK-SWCLK with internal pull-down. Alt: JTCK-SWCLK, LPTIM1_OUT, I2C1_SMBA, SWPMI1_RX, SAI1_FS_B, EVENTOUT."
      },
      {
        "number": "50",
        "name": "PA15 (JTDI)",
        "type": "bidirectional",
        "description": "FT GPIO; after reset configured as JTDI with internal pull-up. Alt: JTDI, TIM2_CH1, TIM2_ETR, USART2_RX, SPI1_NSS, SPI3_NSS, USART3_RTS_DE, TSC_G3_IO1, SWPMI1_SUSPEND, EVENTOUT."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: SPI3_SCK, USART3_TX, TSC_G3_IO2, SDMMC1_D2, EVENTOUT."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: SPI3_MISO, USART3_RX, TSC_G3_IO3, SDMMC1_D3, EVENTOUT."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: SPI3_MOSI, USART3_CK, TSC_G3_IO4, SDMMC1_CK, EVENTOUT."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: USART3_RTS_DE, TSC_SYNC, SDMMC1_CMD, EVENTOUT."
      },
      {
        "number": "55",
        "name": "PB3 (JTDO-TRACESWO)",
        "type": "bidirectional",
        "description": "FT_a GPIO; after reset configured as JTDO-TRACESWO with pull-up. Alt: JTDO-TRACESWO, TIM2_CH2, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, SAI1_SCK_B, EVENTOUT. Additional: COMP2_INM."
      },
      {
        "number": "56",
        "name": "PB4 (NJTRST)",
        "type": "bidirectional",
        "description": "FT_fa GPIO; after reset configured as NJTRST with pull-up. Alt: NJTRST, I2C3_SDA, SPI1_MISO, SPI3_MISO, USART1_CTS, TSC_G2_IO1, SAI1_MCLK_B, EVENTOUT. Additional: COMP2_INP."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT GPIO. Alt: LPTIM1_IN1, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, USART1_CK, TSC_G2_IO2, COMP2_OUT, SAI1_SD_B, TIM16_BKIN, EVENTOUT."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT_fa GPIO. Alt: LPTIM1_ETR, I2C1_SCL, USART1_TX, TSC_G2_IO3, SAI1_FS_B, TIM16_CH1N, EVENTOUT. Additional: COMP2_INP."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT_fa GPIO. Alt: LPTIM1_IN2, I2C1_SDA, USART1_RX, TSC_G2_IO4, EVENTOUT. Additional: COMP2_INM, PVD_IN."
      },
      {
        "number": "60",
        "name": "PH3/BOOT0",
        "type": "bidirectional",
        "description": "FT pin combining PH3 GPIO with BOOT0 boot-mode select input (sampled at reset). Alt: EVENTOUT. Additional: BOOT0."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: I2C1_SCL, CAN1_RX, SDMMC1_D4, SAI1_MCLK_A, TIM16_CH1, EVENTOUT."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FT_f GPIO. Alt: IR_OUT, I2C1_SDA, SPI2_NSS, CAN1_TX, SDMMC1_D5, SAI1_FS_A, EVENTOUT."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital core/IO supply, 1.71-3.6 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm32l431rct6.pdf",
        "pages": 200,
        "sha256": "5871072c6a82c80b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.675,
        -3.75
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "LQFP-64_10x10mm_P0.5mm@sha256:f5a3abeefd7fdfa3",
      "mark": "drawn"
    },
    "mcu": {
      "part_number": "STM32L431RCT6",
      "series": "STM32L4",
      "subfamily": "STM32L431",
      "core": "Arm Cortex-M4",
      "frequency_mhz": 80,
      "flash_kb": 256,
      "ram_kb": 64,
      "io_count": 52,
      "package": "LQFP 64 10x10x1.4 mm",
      "marketing_status": "Active",
      "fpu": "Single-precision FPU",
      "supply_v_min": 1.71,
      "supply_v_max": 3.6,
      "temp_min_c": -40,
      "temp_max_c": 85,
      "adc_count": 1,
      "timers": 5,
      "in_distributor_stock": true,
      "product_folder": "/en/microcontrollers-microprocessors/stm32l431rc.html",
      "source": "st.com portfolio grid CL1734"
    },
    "models_3d": [
      {
        "file": "stm32l431rct6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l431rct6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1936007be33731c88166866daa0848b40240f80cb5053aeea947e9e1b9d4307a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Core": "Arm Cortex-M4",
      "Max clock": "80 MHz",
      "Flash": "256 kB",
      "RAM": "64 kB",
      "I/O pins": 52,
      "ADC units": 1,
      "ST status": "Active",
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "MCU",
      "Pins": "64"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32l431rct6"
  ],
  "discovery_pitch": "STM32L431RCT6 (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l431rct6.kicad_sym",
    "stm32l431rct6.kicad_mod",
    "stm32l431rct6.glb",
    "stm32l431rct6.step",
    "stm32l431rct6-etched.step",
    "stm32l431rct6.lbr",
    "docs/hero.png",
    "docs/stm32l431rct6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "STM32L431RCT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6TR",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RBT6TR",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RCT3",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RBT3",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RCY6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RBY6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RCI6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6RBI6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6VCT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6VCT3",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6VCH6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CCT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CCT3",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CBT3",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CCU6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CBU6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CCY6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6CBY6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6KCU6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32L431RCT6KBU6",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T08:54:46.993Z"
}