STM32L496VGT6: The Definitive Guide to STMicroelectronics' Ultra-Low-Power Cortex-M4F MCU

Admin · Aug 21, 2026 · 4 min read AI-Assisted · Updated: Aug 21, 2026 · Fact-Checked
STM32L496VGT6 is an ultra-low-power ARM Cortex-M4F MCU with 80 MHz, 1 MB flash, 320 KB SRAM, and 25 nA shutdown, available now at XAIPART.

Quick Answers: What is the STM32L496VGT6 and Why Does It Matter?

The STM32L496VGT6 is an ultra-low-power 32-bit microcontroller from STMicroelectronics, built on the ARM Cortex-M4F core with FPU, running at up to 80 MHz. It integrates 1 MB of flash memory and 320 KB of SRAM, operates from 1.71V to 3.6V, and is available now at XAIPART with 99,999 units in stock and a base price of $9.5455 as of 2026-08-21. This MCU delivers 100 DMIPS and a CoreMark score of 273, making it a top choice for battery-powered IoT, industrial, and medical applications.

With its ultra-low-power modes—including a 25 nA shutdown and 320 nA VBAT mode—the STM32L496VGT6 extends battery life in wearables and smart meters. Its rich peripheral set includes two 12-bit ADCs, two DACs, USB OTG FS, CAN, and SDMMC, all in a 100-pin LQFP package. Whether you're designing a sensor node or a smart thermostat, this MCU balances performance and efficiency.

Technical Guide: How to Select, Design In, and Use the STM32L496VGT6

Understanding the Core and Performance

The STM32L496VGT6 is based on the ARM Cortex-M4F core with FPU, running at up to 80 MHz. It delivers 100 DMIPS and a CoreMark score of 273, enabling DSP and floating-point intensive tasks. The 1 MB flash and 320 KB SRAM provide ample space for complex firmware and data buffering.

Power Supply and Decoupling

The device operates from 1.71V to 3.6V, allowing direct battery operation. Proper decoupling is essential: place 100 nF capacitors close to each VDD pin and a bulk capacitor (e.g., 4.7 µF) at the main supply entry. The wide voltage range accommodates battery voltage variations over the product's lifetime.

Low-Power Mode Configuration

The STM32L496VGT6 supports Sleep, Low-power Run, and Shutdown modes. In Shutdown, it consumes only 25 nA with 5 wakeup pins. In VBAT mode, it draws 320 nA for RTC and backup registers. To maximize battery life, configure the low-power timer to wake the device periodically for sensor sampling or communication.

Clock Tree and Peripheral Setup

The flexible clock tree includes multiple PLLs, allowing optimization of performance versus power consumption. Use the internal multi-speed oscillator (MSI) for low-power operation or an external crystal for precise timing. Configure the voltage regulator range to balance performance and energy efficiency.

Analog and Communication Peripherals

The two 12-bit ADCs with hardware oversampling enable high-resolution sensor acquisition. The two DACs provide analog output for control loops. Communication interfaces include USART, SPI, I2C, USB OTG FS, CAN, and SDMMC, enabling connectivity with sensors, displays, and networks.

Design Checklist

  • Decouple all VDD pins with 100 nF capacitors.
  • Select the appropriate low-power mode for your application.
  • Configure the clock tree to match performance needs.
  • Use the hardware oversampling on ADCs for noise reduction.
  • Verify the pinout for your specific package (LQFP100).

Alternatives & Comparison: Drop-In Replacements for STM32L496VGT6

When selecting a replacement, consider pin-compatible options within the STM32L4 family and cross-brand alternatives. The table below compares key specifications.

ParameterSTM32L496VGT6STM32L496VET6STM32L496VIT6GD32F450VGT6GD32F407VGT6
CoreARM Cortex-M4FARM Cortex-M4FARM Cortex-M4FARM Cortex-M4FARM Cortex-M4F
Max Clock (MHz)808080200168
Flash (KB)1024512204810241024
SRAM (KB)320320320256192
PackageLQFP100LQFP100LQFP100LQFP100LQFP100
Pin CompatibilityReferenceYesYesYesYes

Summary: The STM32L496VET6 and STM32L496VIT6 are drop-in replacements with different flash sizes. The GD32F450VGT6 and GD32F407VGT6 offer higher clock speeds but may have subtle peripheral differences; verify firmware compatibility.

Industry Insight: Market Position, Lifecycle, and Supply

The STM32L496VGT6 has an active lifecycle status, indicating ongoing production and support. As of 2026-08-21, XAIPART holds 99,999 units in stock, ensuring immediate availability. The base price is $9.5455 at quantity 1000+, with tiered pricing from $16.3636 at qty 1. This MCU is widely used in industrial, medical, and IoT applications, reflecting its strong market position.

[DATA_NEEDED: Market share statistics or competitive landscape data]

Trends & Outlook: What Buyers Should Watch

The demand for ultra-low-power MCUs continues to grow with the expansion of IoT and wearable devices. The STM32L496VGT6's 25 nA shutdown and 320 nA VBAT modes position it well for battery-powered applications. Its 1 MB flash and 320 KB SRAM support complex edge processing, reducing cloud dependency. Buyers should monitor supply trends and consider the pin-compatible STM32L496VIT6 (2 MB flash) for future scalability.

As of 2026-08-21, the STM32L496VGT6 remains a reliable choice, with active lifecycle and ample stock. For long-term designs, verify the roadmap for the STM32L4 family to ensure continued support.

Frequently Asked Questions

The STM32L496VGT6 is based on the ARM Cortex-M4F core with FPU, running at up to 80 MHz. According to the ST datasheet (stm32l496vg.pdf), it delivers 100 DMIPS and a CoreMark score of 273, making it suitable for DSP and floating-point intensive applications.
The STM32L496VGT6 has 1 MB of flash memory (1M x 8) and 320 KB of SRAM. This large memory capacity supports complex firmware and data buffering in applications like IoT nodes and industrial sensors.
The STM32L496VGT6 operates from 1.71V to 3.6V, as specified in the ST datasheet. This wide range allows direct battery operation and compatibility with 3.3V logic systems.
The STM32L496VGT6 supports Sleep, Low-power Run, and Shutdown modes. In Shutdown mode, it consumes only 25 nA with 5 wakeup pins, and in VBAT mode it draws 320 nA for RTC and backup registers, enabling extended battery life.
The STM32L496VGT6 is available in a 100-pin LQFP package (14x14 mm). This surface-mount package is suitable for compact PCB designs and provides up to 114 GPIOs.
The STM32L496VGT6 includes multiple USARTs, SPIs, I2Cs, USB OTG FS, CAN, and SDMMC interfaces. These enable connectivity with sensors, displays, and networks, making it versatile for IoT and industrial applications.
Yes, the STM32L496VGT6 has two 12-bit ADCs with hardware oversampling, and two 12-bit DACs. This analog capability is ideal for sensor data acquisition and control applications.
As of 2026-08-21, the unit price for STM32L496VGT6 is $16.3636 at quantity 1, based on XAIPART data. Prices decrease with volume, reaching $9.5455 at quantity 1000.
STM32L496VGT6 is available from authorized distributors such as DigiKey, Mouser, and Heisener. As of 2026-08-13, DigiKey lists it as 'ships today' and Heisener shows 2,752 pieces in stock. XAIPART also offers 99,999 units in stock.
The lead time for STM32L496VGT6 is 'to be confirmed' according to Heisener as of 2026-08-13. However, DigiKey indicates it ships today, suggesting immediate availability from major distributors.
The STM32L496VGT6 has 1 MB flash and 320 KB SRAM, while the STM32L496VET6 has 512 KB flash and 320 KB SRAM. If your application requires more than 512 KB of code or data storage, the VGT6 is better; otherwise, the VET6 may be more cost-effective.
The STM32L496VGT6P is a variant with a different package option (likely LQFP100 with different thermal characteristics), but the core specifications are identical. The 'P' suffix may indicate a specific package or temperature grade, so verify the exact datasheet for differences.
Choose STM32L496VGT6 over STM32L476VGT6 when you need more SRAM (320 KB vs 128 KB) and additional features like USB OTG FS, cryptographic acceleration, and a Chrom-ART Accelerator. The L496 also supports external SMPS for lower power consumption.
The best drop-in replacement for STM32L496VGT6 is the STM32L496VGT6P, which shares the same LQFP100 package and pinout. Other same-family options include STM32L496VET6 (512 KB flash) and STM32L496VIT6 (2 MB flash), all pin-compatible.
Yes, the STM32L496VET6 is a drop-in replacement for STM32L496VGT6 in terms of package and pinout, but it has only 512 KB flash instead of 1 MB. If your firmware fits in 512 KB, it can replace the VGT6 without PCB changes.
The STM32L496VGT6 datasheet PDF is available from STMicroelectronics at https://www.st.com/resource/en/datasheet/stm32l496vg.pdf. It is also mirrored on distributor sites like DigiKey and Mouser.
The STM32L496VGT6 pinout is detailed in the official datasheet (stm32l496vg.pdf) on pages 32-45. It is also available on distributor product pages and in the STM32CubeMX tool.
Yes, the STM32L496VGT6 is ideal for battery-powered IoT devices due to its ultra-low-power modes (25 nA shutdown, 320 nA VBAT) and wide voltage range (1.71V-3.6V). Its 80 MHz Cortex-M4F core provides sufficient processing power for sensor fusion and connectivity.
The STM32L496VGT6 features an 80 MHz ARM Cortex-M4F core, 1 MB flash, 320 KB SRAM, 1.71V-3.6V supply, 100 DMIPS, 273 CoreMark, two 12-bit ADCs, two DACs, USB OTG FS, CAN, SDMMC, and multiple low-power modes. It comes in a 100-LQFP package and is RoHS compliant.
The STM32L496VGT6 can be replaced by pin-compatible STM32L4 family members such as STM32L496VET6 (512 KB flash) or STM32L496VIT6 (2 MB flash). Cross-brand alternatives with similar specs include the NXP LPC546xx series, but they are not pin-compatible and require PCB changes.
No, the STM32L496VGT6 and STM32L496VET6 are not the same. The VGT6 has 1 MB flash, while the VET6 has 512 KB flash. Both share the same LQFP100 package and pinout, making them drop-in compatible if the firmware fits in the smaller flash.
The best NXP equivalent for STM32L496VGT6 is the LPC54608J512BD208, which offers an ARM Cortex-M4F core at 180 MHz, 512 KB flash, and 200 KB SRAM. However, it is not pin-compatible and requires a different PCB layout.

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