STMicroelectronics STM32L431CBY7TR Microcontroller, Microprocessor, FPGA Modules
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit 80MHz 128KB (128K x 8) FLASH 49-WLCSP (3.14x3.13)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
STM32L431CBY7TR
Detailed Description
IC MCU 32BIT 128KB FLASH 49WLCSP
Package
49-UFBGA, WLCSP
Key Features
Package / Case: 49-UFBGA, WLCSP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
STM32L431CBY7TR Datasheet
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Technical Specifications
STMicroelectronics STM32L431CBY7TR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
STM32L4
RAM Size
64K x 8
Package / Case
49-UFBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
1.71V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O
39
Speed
80MHz
Related Parts Comparison (STM32L431CBY7TR vs STM32L072CZY6TR vs STM32L082CZY6TR vs STM32L071CBY6TR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Series | STM32L4 | STM32L0 | STM32L0 | STM32L0 |
| Package / Case | 49-UFBGA | 49-UFBGA | 49-UFBGA | 49-UFBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.71V ~ 3.6V | 1.65V ~ 3.6V | 1.8V ~ 3.6V | 1.65V ~ 3.6V |
| Core Processor | ARM® Cortex®-M4 | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 64K x 8 | 20K x 8 | 20K x 8 | 20K x 8 |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART | I²C, IrDA, SPI, UART/USART, USB | I²C, IrDA, LINbus, SPI, UART/USART, USB | I²C, IrDA, SPI, UART/USART |
| Data Converters | A/D 10x12b; D/A 2x12b | A/D 13x12b; D/A 2x12b | A/D 13x12b; D/A 2x12b | A/D 13x12b |
| Number of I/O | 39 | 40 | 40 | 37 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MK02FN128VLH10NXP SemiconductorsNXP
IC MCU 32BIT 128KB FLASH 64LQFP
MKV30F128VLF10NXP SemiconductorsNXP
IC MCU 32BIT 128KB FLASH 48LQFP
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STM32L072CZY6TRSTMicroelectronicsARM® Cortex®-M0+ STM32L0 Microcontroller IC 32-Bit 32MHz 192KB (192K x 8) FLASH 49-WLCSP
STM32L082CZY6TRSTMicroelectronicsARM® Cortex®-M0+ STM32L0 Microcontroller IC 32-Bit 32MHz 192KB (192K x 8) FLASH 49-WLCSP (3.29x3.26)