STM32L486VGT3TR STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
STM32L486VGT3TR is an ultra-low-power 32-bit ARM Cortex-M4 MCU with FPU, 1MB Flash, 128KB SRAM, and USB OTG FS running up to 80 MHz with 100 DMIPS. It integrates an LCD controller, AES hardware accelerator, and 82 I/O lines in a 100-pin LQFP package. Available in stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 100
- Lifecycle
- ACTIVE
- Datasheet
- STM32L486VGT3TR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.5770(MOQ 1000)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Arm Cortex-M4 core with FPU running at 80 MHz delivering 100 DMIPS with ultra-low-power stop modes down to 1 µA
- 1MB Flash and 128KB SRAM with AES-256 hardware encryption for secure IoT and wearable device firmware
- USB OTG FS, LCD controller, DMA channels, and 82 I/O lines in a 100-pin LQFP for rich-featured embedded designs
Applications
STM32L486VGT3TR targets ultra-low-power IoT and wearable applications such as portable health monitors, smart utility meters, and industrial wireless sensor nodes that need 32-bit floating-point performance combined with microampere-level sleep current. Its 1MB Flash and AES-256 accelerator enable secure over-the-air firmware updates and encrypted communication in connected devices without external security chips. The integrated USB OTG and LCD controller allow direct implementation of user interfaces and PC connectivity in battery-powered consumer products.
Specifications
| Factory Lead Time | 12Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Address Bus Width | 26 |
| Bit Size | 32 |
| Clock Frequency-Max | 48MHz |
| DMA Channels | YES |
| External Data Bus Width | 16 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 82 |
| PWM Channels | YES |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Speed | 80MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.71V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 5A992.C |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Mainland China, Malaysia, Philippines, Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32L486VGT3TR:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQFP100
Frequently Asked Questions
What is the maximum clock frequency of STM32L486VGT3TR and how does it achieve 100 DMIPS?
STM32L486VGT3TR runs at up to 80 MHz (the spec sheet rating; the 48 MHz figure from some sources reflects one operating mode). The Cortex-M4 core with FPU executes most DSP and floating-point instructions in 1-2 cycles, achieving 100 DMIPS throughput. This enables real-time signal processing for audio, sensor fusion, and control algorithms on a single chip without an external DSP.
How does STM32L486VGT3TR achieve ultra-low-power operation suitable for coin-cell IoT devices?
STM32L486VGT3TR uses multiple stop and standby modes reducing current draw to as low as 1 µA in stop mode with RTC active, enabling coin-cell or energy-harvesting power budgets. With 128KB SRAM and 1MB Flash retained during stop, the device wakes in microseconds to process sensor data and return to sleep, supporting duty cycles of under 1% for multi-year battery life in IoT sensor nodes.
Which security-critical embedded designs benefit from the AES hardware accelerator in STM32L486VGT3TR?
IoT gateway firmware, secure bootloaders, and encrypted LPWAN communication stacks benefit most from the on-chip AES-256 hardware accelerator. Hardware AES is 10x to 50x faster than software implementations and runs without loading the CPU, allowing the Cortex-M4 to process other tasks simultaneously. This is critical for LoRaWAN Class A devices that must encrypt 16-byte blocks within tight timing windows between radio transmit and receive slots.
How does having 82 I/O lines and USB OTG in STM32L486VGT3TR simplify multi-peripheral embedded designs?
With 82 available I/O lines, designers can simultaneously route SPI, I2C, UART, USB OTG, and GPIO for buttons, LEDs, and sensors without GPIO multiplexing constraints. The integrated USB OTG FS port eliminates an external USB bridge IC, saving at least 2 components and enabling direct enumeration as a CDC, HID, or mass-storage device from a single STM32L486VGT3TR chip running on a 128KB SRAM budget.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000+ | $7.1600 | $7160.00 |
| 4000+ | $6.6455 | $26581.88 |
| 8000+ | $6.6112 | $52889.76 |
| 16000+ | $6.5770 | $105231.36 |
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