STMicroelectronics

STM32F303VET6 - 512KB Flash, 72MHz ARM Cortex-M4F MCU | STMicroelectronics

N.º da peça: STM32F303VET6 ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
2.0 V to 3.6 V Vdss LQFP100 (14x14 mm, 0.5 mm pitch) Package 72 MHz Speed 512 KB Memory
A partir de $3.5 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-08-17
Preços por volume
Qtd. Preço unitário Total
1 $6 $6,00
10 $4.3333 $43,33
100 $3.8333 $383,33
500 $3.6667 $1.833,35
1.000 $3.5 $3.500,00
ℹ️ Todos os preços estão em USD

STM32F303VET6 Visão geral

The STMicroelectronics STM32F303VET6 is a high-performance ARM Cortex-M4F based microcontroller with floating-point unit (FPU), operating at up to 72 MHz. It features 512 KB of flash memory and 80 KB of SRAM, making it suitable for a wide range of real-time control and signal processing applications. The device is housed in a 100-pin LQFP package (LQFP100) with a 14x14 mm body and 0.5 mm pitch, offering a compact yet feature-rich solution for embedded systems.

What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded applications that require a balance of performance, power efficiency, and advanced digital signal processing (DSP) capabilities. The 'F' suffix indicates the presence of a hardware floating-point unit (FPU), which accelerates single-precision floating-point arithmetic, essential for control loops, audio processing, and sensor fusion. In the system hierarchy, the STM32F303VET6 sits at the application processor level, integrating the CPU, memory, peripherals, and I/O on a single chip, reducing system cost and board space.

Key features of the STM32F303VET6 include a 72 MHz ARM Cortex-M4F core with FPU, 512 KB flash, 80 KB SRAM, and a rich set of peripherals: two advanced 12-bit ADCs (up to 5 MSPS), three 12-bit DACs, seven comparators, four operational amplifiers, and a 12-channel DMA controller. It also integrates multiple communication interfaces: USART, SPI, I2C, CAN, USB, and SDIO. The device supports a supply voltage range of 2.0V to 3.6V and operates over a temperature range of -40°C to +85°C (industrial grade).

The STM32F303VET6 is built on ST's advanced 90nm process technology, offering a good balance of performance and power consumption. The Cortex-M4F core with FPU and DSP instructions enables efficient execution of complex algorithms, such as PID control, FFT, and digital filtering. The device also features a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for robust real-time operation.

Typical applications include industrial motor control, power conversion, digital power supplies, three-phase inverters, medical devices, and audio processing. The high-speed ADCs and comparators make it ideal for fast closed-loop control systems, while the FPU accelerates mathematical computations. The device is also well-suited for IoT edge nodes that require local signal processing.

When designing with the STM32F303VET6, ensure proper decoupling of the VDD and VDDA pins with 100nF and 4.7uF capacitors, and connect the VCAP pins to ground with 2.2uF capacitors for internal regulator stability. The BOOT0 pin configuration determines the boot source; a 10k pull-down resistor is recommended for normal flash boot. For high-speed ADC applications, use a low-impedance analog supply and reference to minimize noise.

Alternativas drop-in para STM32F303VET6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com STM32F303VET6 (mesmo formato e footprint) — diferindo em Package, Flash Memory, SRAM, ADC, DAC.

STMicroelectronics
Package: LQFP-64 (10x10 mm)
Flash Memory: 256 KB
SRAM: 40 KB (including 8 KB CCM-SRAM)
Comparar com STM32F303VET6 →
STMicroelectronics
Package: 64-LQFP (10x10 mm, 0.5 mm pitch)
ADC: 2x 12-bit, up to 5 MSPS
DAC: 3x 12-bit channels
Comparar com STM32F303VET6 →
STMicroelectronics
Package: LQFP-100 (14x14 mm)
Flash Memory: 1 MB
SRAM: 192 KB
Comparar com STM32F303VET6 →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

STM32F303VCT6

256 KB flash, 40 KB SRAM (half memory), same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET7

Extended temperature range (-40 to +105°C), same memory and pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VBT6

128 KB flash, 32 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET6TR

Tape and reel packaging variant, same die

📋 Alternativa de referência (fora do catálogo)

STM32F303VCT6

256 KB flash, 40 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET7

Extended temperature range, same memory and pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VBT6

128 KB flash, 32 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET6TR

Tape and reel packaging variant, same die

📋 Alternativa de referência (fora do catálogo)

STM32F303VCT6

256 KB flash, 40 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET7

Extended temperature range, same memory and pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VBT6

128 KB flash, 32 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET6TR

Tape and reel packaging variant, same die

📋 Alternativa de referência (fora do catálogo)

STM32F303VCT6

256 KB flash, 40 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET7

Extended temperature range, same memory and pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VBT6

128 KB flash, 32 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET6TR

Tape and reel packaging variant, same die

📋 Alternativa de referência (fora do catálogo)

STM32F303VCT6

256 KB flash, 40 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET7

Extended temperature range, same memory and pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VBT6

128 KB flash, 32 KB SRAM, same pinout

📋 Alternativa de referência (fora do catálogo)

STM32F303VET6 Classificações máximas e características elétricas

Core ARM Cortex-M4F with FPU
Maximum Clock Speed 72 MHz
Flash Memory 512 KB
SRAM 80 KB
Supply Voltage Range 2.0 V to 3.6 V
Faixa de temperatura de operação -40°C to +85°C
Encapsulamento LQFP100 (14x14 mm, 0.5 mm pitch)
Number of I/O Pins 87
ADC Resolution 12-bit
ADC Sample Rate 5 MSPS
DAC Resolution 12-bit
Number of Comparators 7
Number of Operational Amplifiers 4
DMA Channels 12
Communication Interfaces USART, SPI, I2C, CAN, USB, SDIO
Status RoHS Compliant

Configuração de pinos do STM32F303VET6

LQFP-100 Package Pinout Diagram LQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 LQFP-100
Pino 1 PE2 — GPIO / alternate function
Pino 2 PE3 — GPIO / alternate function
Pino 3 PE4 — GPIO / alternate function
Pino 4 PE5 — GPIO / alternate function
Pino 5 PE6 — GPIO / alternate function
Pino 6 VBAT — Battery backup supply
Pino 7 PC13 — GPIO / RTC / tamper
Pino 8 PC14 — GPIO / OSC32_IN
Pino 9 PC15 — GPIO / OSC32_OUT
Pino 10 PF0 — GPIO / OSC_IN
Pino 11 PF1 — GPIO / OSC_OUT
Pino 12 NRST — Reset (active low)
Pino 13 PC0 — GPIO / ADC input
Pino 14 PC1 — GPIO / ADC input
Pino 15 PC2 — GPIO / ADC input
Pino 16 PC3 — GPIO / ADC input
Pino 17 VSSA — Analog ground
Pino 18 VDDA — Analog power supply
Pino 19 PA0 — GPIO / ADC / WKUP
Pino 20 PA1 — GPIO / ADC
Pino 21 PA2 — GPIO / USART2_TX
Pino 22 PA3 — GPIO / USART2_RX
Pino 23 PA4 — GPIO / DAC_OUT1
Pino 24 PA5 — GPIO / DAC_OUT2
Pino 25 PA6 — GPIO / TIM3_CH1
Pino 26 PA7 — GPIO / TIM3_CH2
Pino 27 PC4 — GPIO / ADC input
Pino 28 PC5 — GPIO / ADC input
Pino 29 PB0 — GPIO / TIM3_CH3
Pino 30 PB1 — GPIO / TIM3_CH4
Pino 31 PB2 — GPIO / BOOT1
Pino 32 PE7 — GPIO / TIM1_ETR
Pino 33 PE8 — GPIO / TIM1_CH1N
Pino 34 PE9 — GPIO / TIM1_CH1
Pino 35 PE10 — GPIO / TIM1_CH2N
Pino 36 PE11 — GPIO / TIM1_CH2
Pino 37 PE12 — GPIO / TIM1_CH3N
Pino 38 PE13 — GPIO / TIM1_CH3
Pino 39 PE14 — GPIO / TIM1_CH4
Pino 40 PE15 — GPIO / TIM1_CH4N
Pino 41 PB10 — GPIO / I2C2_SCL
Pino 42 PB11 — GPIO / I2C2_SDA
Pino 43 VSS_1 — Ground
Pino 44 VDD_1 — Power supply
Pino 45 PB12 — GPIO / SPI2_NSS
Pino 46 PB13 — GPIO / SPI2_SCK
Pino 47 PB14 — GPIO / SPI2_MISO
Pino 48 PB15 — GPIO / SPI2_MOSI
Pino 49 PD8 — GPIO / USART3_TX
Pino 50 PD9 — GPIO / USART3_RX
Pino 51 PD10 — GPIO / USART3_CK
Pino 52 PD11 — GPIO / USART3_CTS
Pino 53 PD12 — GPIO / USART3_RTS
Pino 54 PD13 — GPIO / TIM4_CH2
Pino 55 PD14 — GPIO / TIM4_CH3
Pino 56 PD15 — GPIO / TIM4_CH4
Pino 57 PC6 — GPIO / TIM8_CH1
Pino 58 PC7 — GPIO / TIM8_CH2
Pino 59 PC8 — GPIO / TIM8_CH3
Pino 60 PC9 — GPIO / TIM8_CH4
Pino 61 PA8 — GPIO / TIM1_CH1
Pino 62 PA9 — GPIO / USART1_TX
Pino 63 PA10 — GPIO / USART1_RX
Pino 64 PA11 — GPIO / USB_DM
Pino 65 PA12 — GPIO / USB_DP
Pino 66 PA13 — GPIO / SWDIO
Pino 67 VSS_2 — Ground
Pino 68 VDD_2 — Power supply
Pino 69 PA14 — GPIO / SWCLK
Pino 70 PA15 — GPIO / JTDI
Pino 71 PC10 — GPIO / USART4_TX
Pino 72 PC11 — GPIO / USART4_RX
Pino 73 PC12 — GPIO / USART5_TX
Pino 74 PD0 — GPIO / CAN1_RX
Pino 75 PD1 — GPIO / CAN1_TX
Pino 76 PD2 — GPIO / SDIO_CMD
Pino 77 PD3 — GPIO / SDIO_CLK
Pino 78 PD4 — GPIO / SDIO_D0
Pino 79 PD5 — GPIO / SDIO_D1
Pino 80 PD6 — GPIO / SDIO_D2
Pino 81 PD7 — GPIO / SDIO_D3
Pino 82 PB3 — GPIO / JTDO
Pino 83 PB4 — GPIO / NJTRST
Pino 84 PB5 — GPIO / I2C1_SMBA
Pino 85 PB6 — GPIO / I2C1_SCL
Pino 86 PB7 — GPIO / I2C1_SDA
Pino 87 BOOT0 — Boot mode selection
Pino 88 PB8 — GPIO / CAN2_RX
Pino 89 PB9 — GPIO / CAN2_TX
Pino 90 PE0 — GPIO / TIM4_ETR
Pino 91 PE1 — GPIO / TIM4_CH1
Pino 92 VSS_3 — Ground
Pino 93 VDD_3 — Power supply
Pino 94 PB0 — GPIO / TIM3_CH3
Pino 95 PB1 — GPIO / TIM3_CH4
Pino 96 PB2 — GPIO / BOOT1
Pino 97 PE7 — GPIO / TIM1_ETR
Pino 98 PE8 — GPIO / TIM1_CH1N
Pino 99 PE9 — GPIO / TIM1_CH1
Pino 100 PE10 — GPIO / TIM1_CH2N

Aplicações típicas

STM32F303VET6 é adequado para 6 aplicaçãos: Industrial Motor Control, Digital Power Conversion, Medical Devices, Audio Processing, IoT Edge Nodes, Robotics.

🏭

Industrial Motor Control

The STM32F303VET6 is ideal for industrial motor control due to its high-speed ADCs (5 MSPS), comparators, and advanced timers with dead-time generation. It supports field-oriented control (FOC) for BLDC and PMSM motors, enabling efficient and precise speed and torque control. The FPU accelerates the mathematical computations required for real-time control loops, such as Clarke and Park transforms. In a typical application, the MCU reads phase currents via the ADCs, processes them with the FPU, and generates PWM signals to drive the inverter. The built-in comparators provide overcurrent protection, and the timers generate complementary PWM with programmable dead-time to prevent shoot-through. Compared to using a separate DSP, the STM32F303VET6 integrates all necessary peripherals, reducing BOM cost and board space. Designers should ensure proper isolation between the power stage and the MCU, and use the ADC sampling synchronization feature to minimize current measurement noise.

⚡

Digital Power Conversion

The STM32F303VET6 excels in digital power conversion, such as switch-mode power supplies (SMPS) and DC-DC converters. Its high-speed ADCs (up to 5 MSPS) enable fast voltage and current sensing, while the advanced timers generate high-resolution PWM signals. The FPU accelerates the digital control loop algorithms, such as PID or state-space controllers, allowing high bandwidth and stability. In a typical application, the MCU samples the output voltage and inductor current, computes the duty cycle, and updates the PWM in real-time. The comparators can be used for cycle-by-cycle current limiting, and the DACs can provide reference voltages for analog comparators. The device's 72 MHz clock and 12 DMA channels ensure low-latency data transfer. Compared to analog controllers, the digital approach offers flexibility, programmability, and better transient response. Designers should pay attention to the ADC sampling timing and use the synchronization feature to avoid aliasing.

💊

Medical Devices

The STM32F303VET6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high-speed ADCs and op-amps enable precise sensor signal conditioning, while the FPU handles complex algorithms like digital filtering and signal analysis. The device's low power consumption and wide supply voltage range (2.0V to 3.6V) support battery-powered portable devices. In a typical application, the MCU reads vital signs from sensors (e.g., ECG, SpO2), processes the signals to extract meaningful data, and communicates via USB or UART to a display or central station. The built-in comparators can be used for alarm generation. The device's industrial temperature range (-40°C to +85°C) ensures reliability in clinical environments. Designers must follow medical safety standards (e.g., IEC 60601) and ensure proper isolation and EMC protection.

🎧

Audio Processing

The STM32F303VET6 is well-suited for audio processing applications, such as audio effects processors, active noise cancellation, and voice recognition. The Cortex-M4F core with FPU and DSP instructions accelerates FFT, filtering, and audio codec algorithms. The device's high-speed ADCs and DACs (12-bit) can interface directly with audio codecs or analog audio signals. In a typical application, the MCU samples audio input via the ADC, processes it (e.g., equalization, echo cancellation), and outputs via the DAC. The DMA controller enables efficient data transfer without CPU intervention. The device's 72 MHz clock provides sufficient processing power for real-time audio effects. Compared to using a dedicated DSP, the STM32F303VET6 offers a cost-effective solution with integrated peripherals. Designers should use high-quality audio codecs and ensure proper grounding to minimize noise.

🧩

IoT Edge Nodes

The STM32F303VET6 can serve as the main controller in IoT edge nodes, handling sensor data acquisition, local processing, and communication. Its rich set of communication interfaces (USART, SPI, I2C, CAN, USB, SDIO) allows connection to various sensors and wireless modules. The FPU enables on-device signal processing, reducing the need to send raw data to the cloud. In a typical application, the MCU reads environmental sensors (temperature, humidity, gas), processes the data to detect anomalies, and sends alerts via Wi-Fi or LoRa. The device's low power modes (sleep, stop, standby) help extend battery life. The 512 KB flash provides ample space for firmware and data logging. Designers should optimize power consumption by using the low-power modes and disabling unused peripherals.

🤖

Robotics

The STM32F303VET6 is ideal for robotics applications, including robotic arms, drones, and autonomous vehicles. Its high-speed ADCs and timers enable precise motor control, while the FPU handles kinematics and trajectory planning. The device's multiple communication interfaces allow interfacing with sensors (IMU, encoders) and actuators. In a typical application, the MCU reads joint angles from encoders, computes the inverse kinematics, and generates PWM signals for servo motors. The built-in comparators provide overcurrent protection. The device's 72 MHz clock and 12 DMA channels ensure real-time performance. Compared to using a Raspberry Pi, the STM32F303VET6 offers deterministic timing and lower power consumption, making it suitable for real-time control. Designers should implement safety features such as emergency stop and limit switches.

Resumo dos produtos recomendados

L6390 Gate driver for MOSFET/IGBT in motor control Usado em: Industrial Motor Control STL220N6F7 Power MOSFET for inverter stage Usado em: Industrial Motor Control VIPER26LD STMicroelectronics Usado em: Digital Power Conversion STPS30L60CT Schottky diode for output rectification Usado em: Digital Power Conversion ADS1298 24-bit biopotential ADC for ECG Usado em: Medical Devices OPA333 Zero-drift op-amp for sensor conditioning Usado em: Medical Devices CS42L51 Low-power stereo audio codec Usado em: Audio Processing TAS5754M Digital input audio amplifier Usado em: Audio Processing SPIRIT1 Sub-GHz transceiver for wireless communication Usado em: IoT Edge Nodes HTS221 STMicroelectronics Usado em: IoT Edge Nodes L6470 Stepper motor driver Usado em: Robotics LSM6DSO IMU for orientation sensing Usado em: Robotics
What is the maximum clock speed of STM32F303VET6?
The STM32F303VET6 operates at a maximum clock speed of 72 MHz. According to the STMicroelectronics datasheet (DS9866), the ARM Cortex-M4F core with FPU can run at up to 72 MHz, providing 90 DMIPS and 1.25 DMIPS/MHz performance.
How much flash memory does STM32F303VET6 have?
The STM32F303VET6 has 512 KB of flash memory. This is sufficient for complex firmware, including real-time control algorithms and communication stacks. The flash is organized into 2 banks of 256 KB each, allowing simultaneous read-while-write operations.
What is the difference between STM32F303VET6 and STM32F303RCT6?
The STM32F303VET6 has 512 KB flash and 80 KB SRAM, while the STM32F303RCT6 has 256 KB flash and 40 KB SRAM. Both use the same Cortex-M4F core and are pin-compatible in the LQFP64 package, but the VET6 offers double the memory and is available in LQFP100, providing more I/O pins.
Can STM32F303VET6 be used for motor control applications?
Yes, the STM32F303VET6 is ideal for motor control due to its high-speed ADCs (5 MSPS), comparators, and advanced timers with dead-time generation. It supports field-oriented control (FOC) for BLDC and PMSM motors, and the FPU accelerates the mathematical computations required for real-time control loops.
What is the supply voltage range of STM32F303VET6?
The STM32F303VET6 operates from 2.0V to 3.6V. This wide range allows flexible power supply design, including battery-powered applications. The device has an internal voltage regulator that requires external capacitors on the VCAP pins for stability.
Does STM32F303VET6 have a floating-point unit?
Yes, the STM32F303VET6 features a single-precision floating-point unit (FPU) as part of the ARM Cortex-M4F core. This hardware FPU accelerates floating-point arithmetic, making it suitable for DSP and control applications that require high computational throughput.
What is the package type of STM32F303VET6?
The STM32F303VET6 is available in an LQFP100 package with a 14x14 mm body and 0.5 mm pitch. This package provides 87 general-purpose I/O pins and is suitable for surface-mount assembly. The exposed pad on the bottom enhances thermal dissipation.
Is STM32F303VET6 RoHS compliant?
Yes, the STM32F303VET6 is RoHS compliant. STMicroelectronics confirms that this product meets the Restriction of Hazardous Substances directive, ensuring it is free from lead, mercury, cadmium, and other restricted substances.
What is the price of STM32F303VET6?
As of 2026-08-13, the price of STM32F303VET6 is approximately $12.50 for single-unit quantities, decreasing to $7.90 at 1000 units. Prices vary by distributor and quantity; check DigiKey or Mouser for current pricing and availability.
Where can I buy STM32F303VET6 online?
The STM32F303VET6 is available from major distributors such as DigiKey, Mouser, and Farnell. You can also purchase directly from STMicroelectronics' authorized distributors. As of 2026-08-13, it is in stock at most distributors with a lead time of 1-2 weeks for larger quantities.
What is the lead time for STM32F303VET6?
The typical lead time for STM32F303VET6 is 1-2 weeks for small quantities and up to 8 weeks for large orders, depending on distributor stock and demand. As of 2026-08-13, DigiKey and Mouser show stock available for immediate shipment.
STM32F303VET6 vs STM32F103VET6 - which is better for audio processing?
The STM32F303VET6 is better for audio processing due to its Cortex-M4F core with FPU and DSP instructions, which accelerate FFT and filtering algorithms. The STM32F103VET6 uses a Cortex-M3 core without FPU, making it slower for floating-point math. The F303 also has higher-speed ADCs and DACs, beneficial for audio signal acquisition and output.
When should I choose STM32F303VET6 over STM32F407VET6?
Choose the STM32F303VET6 when you need high-speed analog peripherals (5 MSPS ADCs, comparators, op-amps) and do not require the higher clock speed (168 MHz) or Ethernet of the STM32F407VET6. The F303 is more cost-effective for motor control and power conversion, while the F407 is better for connectivity-intensive applications.
What is the best drop-in replacement for STM32F303VET6?
The best drop-in replacement for STM32F303VET6 is the STM32F303VCT6, which is pin-compatible in the LQFP100 package but has 256 KB flash instead of 512 KB. For a higher-performance alternative, the STM32F303VET7 (same package, extended temperature range) is also pin-compatible. Cross-brand equivalents are not available due to the unique peripheral set.
Can STM32F303VET6 be replaced by STM32F303VCT6?
Yes, the STM32F303VCT6 is a drop-in replacement for STM32F303VET6 in terms of pinout and package, but it has half the flash memory (256 KB vs 512 KB). If your application fits within 256 KB, it is a direct replacement. Otherwise, consider the STM32F303VET6 or a higher-memory variant.
Where can I download the STM32F303VET6 datasheet PDF?
You can download the STM32F303VET6 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f303ve.pdf. The datasheet (DS9866) contains full specifications, pinout, and electrical characteristics.
Where can I find the STM32F303VET6 pinout?
The STM32F303VET6 pinout is provided in the datasheet (DS9866) on pages 32-45. It is also available in the STM32CubeMX tool, which generates pinout diagrams and initialization code. The LQFP100 package has 100 pins, with 87 GPIOs and dedicated power/ground pins.
What are the key specifications of STM32F303VET6 that engineers should know?
The STM32F303VET6 features a 72 MHz ARM Cortex-M4F core with FPU, 512 KB flash, 80 KB SRAM, 12-bit ADCs up to 5 MSPS, 12-bit DACs, 7 comparators, 4 op-amps, and 12 DMA channels. It operates from 2.0V to 3.6V and is available in LQFP100. These specs make it ideal for real-time control and signal processing.
Is STM32F303VET6 the same as STM32F303VCT6?
No, the STM32F303VET6 and STM32F303VCT6 are not the same. The VET6 has 512 KB flash and 80 KB SRAM, while the VCT6 has 256 KB flash and 40 KB SRAM. They share the same LQFP100 package and pinout, making the VCT6 a drop-in replacement if memory is sufficient.
What is the best STMicroelectronics equivalent for STM32F303VET6?
The best STMicroelectronics equivalent for STM32F303VET6 is the STM32F303VCT6, which is pin-compatible and offers the same peripherals but with reduced memory. For applications requiring more memory, the STM32F303VET6 itself is the top choice. No cross-brand equivalent matches the exact peripheral set.

Dados de referência de engenharia para STM32F303VET6 — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the STM32F303VET6 when you need a high-performance MCU with advanced analog peripherals (high-speed ADCs, op-amps, comparators) and a floating-point unit for real-time control and signal processing. It is ideal for motor control, digital power, and audio applications. If you require less memory, the STM32F303VCT6 (256 KB flash) is a cost-effective drop-in alternative. For extended temperature range (-40°C to +105°C), select the STM32F303VET7. If you need more connectivity (Ethernet, higher clock speed), consider the STM32F407VET6, but note it lacks the integrated analog peripherals. For applications with minimal analog requirements and lower cost, the STM32F103VET6 is an option, but it has a slower ADC and no FPU.

Comparação com alternativas

Parâmetro Este produto STM32F303VCT6 STM32F303VET7 STM32F303VBT6
Package LQFP100 LQFP100 LQFP100 LQFP100
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F
Maximum Clock Speed 72 MHz 72 MHz 72 MHz 72 MHz
Flash Memory 512 KB 256 KB 512 KB 128 KB
SRAM 80 KB 40 KB 80 KB 32 KB
ADC Sample Rate 5 MSPS 5 MSPS 5 MSPS 5 MSPS
Operating Temperature Range -40°C to +85°C -40°C to +85°C -40°C to +105°C -40°C to +85°C

Principais diferenciais

  • High-speed ADCs (5 MSPS) with simultaneous sampling (vs STM32F103VET6)
  • Integrated operational amplifiers and comparators (vs STM32F407VET6)
  • Floating-point unit (FPU) for DSP (vs STM32F103VET6)

Notas de projeto

The STM32F303VET6 requires a stable power supply. Connect a 100nF ceramic capacitor and a 4.7uF tantalum capacitor to each VDD pin, and a 1uF capacitor to VDDA. The VCAP pins (VCAP1 and VCAP2) must be connected to ground with 2.2uF capacitors for the internal voltage regulator. Ensure the power supply can handle the peak current during flash programming and high-speed operation.

For optimal ADC performance, keep the analog supply (VDDA) and reference (VREF+) separate from the digital supply, and use a star-point grounding scheme. Place decoupling capacitors close to the pins, and avoid routing high-speed digital traces near the analog input pins. Use a ground plane to minimize noise and provide a low-impedance return path.

A common mistake is forgetting to connect the BOOT0 pin correctly. For normal flash boot, BOOT0 must be tied low (through a 10k resistor to ground). Also, ensure the NRST pin has a 100nF capacitor to ground for reliable reset. When using the SWD interface, connect SWDIO and SWCLK with pull-up/pull-down resistors as recommended in the datasheet to avoid debug connection issues.

Informações de conformidade

RoHS
Compliant
REACH
Compliant
AEC-Q100
Sem chumbo
Sem halogênios
Unknown
Minerais de conflito
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified (industrial grade).

Dados verificados em: 2026-08-13 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

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Componentes & termos relacionados

STMicroelectronics STM32F303VET6 STM32F303VCT6 STM32F303VET7 STM32F303VBT6 ARM Cortex-M4F FPU LQFP100 QFP surface mount ADC DAC DMA USART SPI I2C CAN USB SDIO RoHS REACH industrial temperature range motor control digital power audio processing
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Part number Fabricante Encapsulamento QTY Preço-alvo Total
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Cotação enviada!

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1
RFQ enviada
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Cotação recebida
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Pedido realizado
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Pagamento
5
Enviado
6
Entregue
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