STMicroelectronics STM32L431CCY6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.29 | $6.29 |
| 15+ | $4.13 | $61.95 |
| 25+ | $4.04 | $101.00 |
| 50+ | $3.82 | $191.00 |
| 100+ | $3.37 | $337.00 |
| N+ | $0.67 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 39 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 49-WLCSP (3.14x3.13) |
| Package / Case | 49-UFBGA, WLCSP |
| ROHS |  |
The STM32L431CCY6TR is an ultra-low-power 32-bit MCU from STMicroelectronics, built on the ARM Cortex-M4 core with FPU at 80MHz. It operates from 1.71V to 3.6V and features 256KB flash and 64KB SRAM. The 49-ball WLCSP package is ideal for space-constrained designs. It includes advanced timers, 12-bit ADC, DAC, and multiple communication interfaces (I2C, SPI, USART).
- Ultra-low power consumption: 84µA/MHz active mode, ideal for battery-powered devices.
- ARM Cortex-M4 with FPU: Accelerates floating-point math for signal processing.
- WLCSP package: 3mm x 3mm footprint saves PCB space in wearables.
- Wide voltage range (1.71-3.6V): Works with single-cell batteries down to 1.8V.
Wearable Health Monitors
The WLCSP package (3.0x3.0mm) and 1.71V operation allow integration into smartwatches and patches, with the M4 FPU handling biosignal algorithms.
IoT Sensor Nodes
Ultra-low-power modes (down to 84µA/MHz) extend coin-cell battery life in wireless environmental sensors using BLE or LoRa.
Portable Instrumentation
The 80MHz M4 with DSP instructions processes audio/vibration data in real time for handheld analyzers.
Battery-Powered Actuators
PWM timers with dead-time generation drive brushed DC motors in smart locks and toys, while low-power sleep preserves battery.
Medical Implants
1.71V minimum voltage and 64KB SRAM support complex firmware in hearing aids and neurostimulators.
Smart Agriculture Probes
Operate from 2xAA batteries and read multiple analog sensors via the 12-bit ADC, logging data to external flash.
- Q: What is the max clock speed?
- A: 80MHz ARM Cortex-M4 with FPU.
- Q: What is the supply voltage?
- A: 1.71V to 3.6V, suitable for battery operation.
- Q: How much SRAM is available?
- A: 64KB SRAM.
- Q: What package is this?
- A: 49-UFBGA (WLCSP), ultra-compact for wearables.
- Q: Does it have PWM?
- A: Yes, advanced timers with PWM for motor control.
STM32L431CCY6TR.pdf
- Q: What is the max clock speed?
- A: 80MHz ARM Cortex-M4 with FPU.
- Q: What is the supply voltage?
- A: 1.71V to 3.6V, suitable for battery operation.
- Q: How much SRAM is available?
- A: 64KB SRAM.
- Q: What package is this?
- A: 49-UFBGA (WLCSP), ultra-compact for wearables.
- Q: Does it have PWM?
- A: Yes, advanced timers with PWM for motor control.
