STMicroelectronics

STM32F103T8U7 - 72MHz Cortex-M3 64KB MCU | STMicroelectronics

Référence : STM32F103T8U7 ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
2.5 V / 3.3 V Vdss 36-VFQFPN (6 x 6 mm) Package 72 MHz Speed 64 KB Memory
À partir de $8.7297 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-21
Tarifs dégressifs
Qté Prix unitaire Total
1 $8.7297 $8,73
10 $8.7297 $87,30
100 $8.7297 $872,97
500 $8.7297 $4 364,85
1 000 $8.7297 $8 729,70
ℹ️ Tous les prix sont en USD

STM32F103T8U7 Présentation

The STMicroelectronics STM32F103T8U7 is a 32-bit Arm Cortex-M3 RISC microcontroller operating at 72 MHz, with 64 KB of Flash memory and a 36-pin VFQFPN package measuring 6 x 6 mm. It belongs to the STM32F1 medium-density performance line and is positioned for embedded control, communications, and mixed-signal applications.

A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and communication interfaces on one semiconductor device. The STM32F103T8U7 uses the Arm Cortex-M3 architecture, which supports efficient real-time instruction execution. Its 72 MHz operating frequency provides a substantial performance increase over many lower-frequency 8-bit and 16-bit control solutions while retaining a broad embedded peripheral ecosystem.

Verified product information identifies 64 KB of Flash memory, USB, CAN, and LIN support, and a 36-VFQFPN package. The STM32F103 family also provides timer and mixed-signal resources suitable for motor control, sensor acquisition, communications, and general-purpose embedded products. The U7 ordering code and tray packaging identify this specific commercial configuration, but electrical limits, SRAM capacity, peripheral details, and operating-temperature data should be confirmed in the manufacturer datasheet before final design release.

The STM32F103T8U7 is appropriate for industrial controllers, communication modules, USB peripherals, motor-control systems, and compact control platforms. Its 64 KB Flash capacity provides room for boot code, application firmware, and configuration data, although memory planning must include bootloader, protocol stack, and application overhead. The 6 x 6 mm VFQFPN land pattern also requires careful exposed-pad layout and thermal management.

For PCB implementation, follow the manufacturer footprint and exposed-pad recommendations, provide clean supply decoupling, and keep high-current return paths physically short. Firmware should account for clock configuration, peripheral initialization, reset behavior, and any required migration from another STM32F1 variant. This page summarizes verified distributor and manufacturer information while clearly separating confirmed values from parameters requiring datasheet confirmation.

Alternatives de remplacement direct pour STM32F103T8U7 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec STM32F103T8U7 (même facteur de forme et même empreinte) — différant par Core, Flash Memory, Package.

STMicroelectronics
Core: ARM Cortex-M3, 32-bit
Flash Memory: 64 KB (64K x 8)
Package: 36-VFQFPN (6x6 mm), exposed pad
Comparer avec STM32F103T8U7 →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

STM32F103T8U6

✅ Remplacement direct ⚠️ Spécifications non vérifiées
STMicroelectronics
📦 36-VFQFPN (6 x 6 mm)
ARM Cortex-M3, 32-bit · 72 MHz · 1.25 DMIPS/MHz (Dhrystone 2.1) · 64 KB (64K x 8) · 2.5 V / 3.3 V · 26 · CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB

✓ En stock

$2.05 / unité

Voir la fiche technique →

STM32F103T8U6

✅ Remplacement direct ⚠️ Spécifications non vérifiées
STMicroelectronics
📦 36-VFQFPN (6 x 6 mm)
ARM Cortex-M3, 32-bit · 72 MHz · 1.25 DMIPS/MHz (Dhrystone 2.1) · 64 KB (64K x 8) · 2.5 V / 3.3 V · 26 · CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB

✓ En stock

$2.05 / unité

Voir la fiche technique →

STM32F103T8U6

✅ Remplacement direct ⚠️ Spécifications non vérifiées
STMicroelectronics
📦 36-VFQFPN (6 x 6 mm)
ARM Cortex-M3, 32-bit · 72 MHz · 1.25 DMIPS/MHz (Dhrystone 2.1) · 64 KB (64K x 8) · 2.5 V / 3.3 V · 26 · CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB

✓ En stock

$2.05 / unité

Voir la fiche technique →

STM32F103T8U7TR

✅ Remplacement direct
📦 36-VFQFPN (6 x 6 mm)
Same STM32F103T8U7 device family and package; TR denotes a tape-and-reel packaging option, while the target listing is tray-oriented. Electrical and pin compatibility require package-specific confirmation.

📋 Alternative de référence (hors catalogue)

GD32F103C8T6

✅ Remplacement direct
📦 36-VFQFPN (6 x 6 mm)
Search results describe a compatible STM32F103 alternative with higher core frequency and largely compatible registers; the supplied target is STM32F103T8U7 at 72 MHz, while GD32F103 is described as 108 MHz.

📋 Alternative de référence (hors catalogue)

STM32F103T8U7 Valeurs maximales et caractéristiques électriques

Product Type 32-bit microcontroller
Architecture Arm Cortex-M3 RISC
Operating Frequency 72 MHz
Flash Memory 64 KB
Flash Organization 64K x 8
Boîtier 36-VFQFPN (6 x 6 mm)
Type de montage Surface Mount
Tension d'alimentation 2.5 V / 3.3 V
USB Interface USB
CAN Interface CAN
LIN Interface LIN
Core 32-bit Arm Cortex-M3
Series STM32F103 medium-density performance line
Manufacturer STMicroelectronics
Datasheet Page Count 105 pages in the referenced third-party datasheet listing
Reference Unit Price $8.7297
Distributor Availability Shown 76,308 pieces
Reference Lead Time Ships immediately; estimated delivery Oct 5 - Oct 10

Guide de configuration des broches du STM32F103T8U7 36-vfqfpn (6 x 6 mm)

Configuration des broches du STM32F103T8U7 (boîtier 36-vfqfpn (6 x 6 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.

Schéma de brochage du boîtier 36-vfqfpn (6 x 6 mm) pour le STM32F103T8U7

Aucune donnée de brochage détaillée disponible pour STM32F103T8U7.

Consultez la fiche technique pour la configuration complète des broches.

Applications typiques

STM32F103T8U7 convient pour 6 applications: USB-Connected Embedded Control, CAN-Bus Industrial Controller, Motor and Timer Control, Sensor Acquisition and Condition Monitoring, Industrial Communication Gateway, USB-to-CAN Embedded Module.

🔌

USB-Connected Embedded Control

STM32F103T8U7 fits USB-connected control products because the verified listing identifies USB support alongside a 72 MHz Arm Cortex-M3 core. It can serve as the central controller in a USB peripheral, configuration tool, data logger, or service interface while timers and digital I/O manage local functions. The design should reserve stable firmware space in the confirmed 64 KB Flash and provide USB connector protection, controlled supply routing, and firmware support for the selected USB class. The MCU speed helps separate protocol handling from control tasks, while the 36-VFQFPN package keeps the device compact. Final USB electrical compliance requires checking the STM32F103 datasheet and the chosen connector implementation.

🏭

CAN-Bus Industrial Controller

The STM32F103T8U7 is suitable for CAN-based industrial control because CAN is explicitly listed in the verified product information. Its 72 MHz Cortex-M3 core can coordinate message handling, sensor acquisition, timers, and local actuator logic across a distributed network. The MCU does not replace a physical CAN transceiver, so the implementation still needs a transceiver, termination strategy, bus protection, common-mode considerations, and firmware drivers. The 64 KB Flash budget should be checked against the protocol stack and application code, while the 36-VFQFPN footprint requires careful exposed-pad and thermal layout. Validate bit timing, interrupt priorities, bus fault handling, and supply levels in the final design.

⚙️

Motor and Timer Control

STM32F103T8U7 can serve as the timing and control core for compact motor-control or actuator systems. The verified 72 MHz operating frequency provides processing headroom for timer scheduling, input capture, feedback handling, and supervisory logic, while the STM32F1 peripheral family is commonly used for embedded control. A practical design still requires the exact timer channel mapping, PWM frequency, dead time, current sensing, gate-driver interface, and thermal analysis from the manufacturer documentation. Keep high-current motor paths away from sensitive control traces, provide local bulk and bypass capacitance, and define fault shutdown behavior in firmware. The MCU package helps reduce board area, but exposed-pad cooling and motor-generated electrical noise remain critical.

📡

Sensor Acquisition and Condition Monitoring

The STM32F103T8U7 is appropriate for embedded sensor acquisition and condition-monitoring products because its Cortex-M3 core can sample inputs, execute control logic, and manage communications in one device. The verified 64 KB Flash capacity supports moderate application firmware, while USB, CAN, and LIN provide paths for configuration or data transfer. Exact analog, timer, and GPIO capabilities must be confirmed in the manufacturer datasheet before assigning sampling rates or channel counts. Use short, shielded sensor routes where appropriate, separate analog and digital return paths, and place filtering and protection components near connector or sensor interfaces. Firmware should calibrate sensor offsets, detect open circuits, and record diagnostics without blocking the main timing loop.

🌐

Industrial Communication Gateway

STM32F103T8U7 can be used as the controller in a compact industrial communication gateway that bridges local control functions with USB, CAN, or LIN links. The verified 72 MHz core supports protocol scheduling and buffering, and the 64 KB Flash requirement makes it useful for gateway products that do not need a large application partition. A production gateway should include watchdog behavior, bus fault recovery, brownout handling, secure configuration storage, and a defined update strategy. Validate protocol timing and electrical isolation requirements for the target bus; the MCU is a digital controller, not an isolated transceiver. The 36-VFQFPN package reduces footprint but requires a stable exposed-pad thermal path and careful separation between communication and power sections.

🖥️

USB-to-CAN Embedded Module

STM32F103T8U7 is a strong candidate for a compact USB-to-CAN module because the verified MPN lists both USB and CAN support. The MCU can handle USB command exchange, CAN frame processing, filtering, diagnostics, and configuration storage in one package. A complete module still needs a USB connector, ESD and surge protection, a CAN transceiver, bus termination, isolated or non-isolated power as required, and careful common-ground or isolation design. Use the confirmed 64 KB Flash capacity for the complete firmware image, including bootloader and diagnostics. Testing should cover bus dominant/recessive behavior, bus-off recovery, USB suspend or disconnect handling, and thermal performance in the smallest enclosure before production release.

What is the operating frequency of STM32F103T8U7?
The STM32F103T8U7 operates at up to 72 MHz. According to the STMicroelectronics STM32F103T8 product page and the verified DigiKey listing, it is an Arm Cortex-M3 32-bit RISC microcontroller in the medium-density STM32F103 performance line. The 72 MHz figure should be treated as the verified headline frequency, while final clock-tree configuration and operating limits should be checked against the manufacturer datasheet.
How much Flash memory does the STM32F103T8U7 have?
The STM32F103T8U7 contains 64 KB of Flash memory, organized as 64K x 8. This value is confirmed in the verified DigiKey result for the MPN. Flash capacity is important when selecting firmware, bootloaders, protocol stacks, and update mechanisms; actual usable application space is lower when code, data, and bootloader regions are included.
What package does STM32F103T8U7 use?
The STM32F103T8U7 uses a 36-VFQFPN package measuring 6 x 6 mm. The verified DigiKey and Arrow listings identify the package as 36-VFQFPN, while Arrow additionally describes an exposed-pad tray configuration. PCB designers should use the official STMicroelectronics footprint and land-pattern guidance rather than inferring exposed-pad geometry from the package name alone.
What communications interfaces are listed for STM32F103T8U7?
The verified product information lists USB, CAN, and LIN support for the STM32F103T8U7. These interfaces position the MCU for USB-connected peripherals, CAN-bus nodes, and LIN vehicle or distributed-control systems. The precise operating modes, electrical characteristics, transceiver requirements, and peripheral instance availability should be confirmed in the STM32F103T8 manufacturer datasheet.
Is STM32F103T8U7 suitable for USB applications?
Yes, the STM32F103T8U7 is suitable for USB applications because verified distributor information identifies USB support and the device belongs to the STM32F103 medium-density performance line. A complete design still requires the correct USB supply, clock configuration, connector protection, firmware support, and PCB routing. External USB power-line protection may be required depending on the connector and application environment.
Can STM32F103T8U7 be used for CAN or LIN communication?
The STM32F103T8U7 can support CAN and LIN communication because those interfaces are explicitly identified in the verified product listing. In practice, the MCU interface is not a complete bus transceiver. A suitable CAN or LIN transceiver, termination network, protection devices, reference clock, and firmware driver are still required. Confirm voltage levels and bus topology against the selected transceiver.
Where can I download the STM32F103T8U7 datasheet PDF?
The official product reference is the STMicroelectronics STM32F103T8 product page at https://www.st.com/en/microcontrollers-microprocessors/stm32f103t8.html. The verified search results also identify a third-party STM32F103T8U7 datasheet listing with a stated 105-page document. For design authority, use the official STMicroelectronics documentation and verify the device revision and package-specific data before release.
What is the pinout of the STM32F103T8U7?
The STM32F103T8U7 uses a 36-VFQFPN package, but the verified excerpt does not include the complete numbered pin map. Therefore, a complete pin list cannot be reproduced reliably from the supplied data without guessing. Use the official STMicroelectronics datasheet or package drawing for exact pin numbers, power pins, ground pins, alternate functions, exposed-pad connection, and programming pins.
Is STM32F103T8U7 still active?
STM32F103T8U7 is treated as active in this data set because the verified STMicroelectronics product page and current distributor listings are available. Product lifecycle status can change by region, package, or sales channel, so procurement teams should confirm current status directly with STMicroelectronics or an authorized distributor for production planning.
Where can I buy STM32F103T8U7 online?
STM32F103T8U7 is listed online by DigiKey, Mouser, Octopart, Arrow, and other distributors in the verified results. One distributor reference page reports 76,308 pieces available and a unit price of $8.7297, but inventory and pricing can change without notice. Compare authorized-channel stock, lead time, traceability, and landed cost before placing a production order.
What is the current price of STM32F103T8U7?
One verified distributor reference lists STM32F103T8U7 at $8.7297 per unit and identifies 76,308 pieces as available. This is a reference price as of 2026-10-21, not a guaranteed quote. Volume pricing, package configuration, regional inventory, and distributor terms may change the final amount, so request a current quotation before purchase.
What is the lead time for STM32F103T8U7?
The verified Heisener reference states that STM32F103T8U7 can ship immediately and shows an estimated delivery window of October 5 through October 10. This stock and timing information is time-sensitive and should be reconfirmed with the seller. For production schedules, use committed lead time rather than an aggregator estimate.
What can replace STM32F103T8U7 as a drop-in MCU?
No verified, package-for-package drop-in replacement is established by the supplied alternative data. The search results discuss STM32F103 alternatives, but they do not verify a specific 36-VFQFPN pin-compatible substitute with matching memory, peripherals, and firmware behavior. A true replacement must be validated against the exact package pinout, voltage, memory map, peripheral set, clock requirements, and application firmware.
Is GD32F103 a direct replacement for STM32F103T8U7?
GD32F103 may be considered for STM32F103 migration, but it cannot be certified as a drop-in replacement for STM32F103T8U7 from the supplied evidence alone. The cross-reference search describes pin-compatible STM32F103 alternatives and notes different clock and firmware considerations, but it does not establish a verified 36-VFQFPN replacement. Treat it as a design-migration option, not an unqualified substitution.
What are the key specifications of STM32F103T8U7 that engineers should know?
The STM32F103T8U7 combines a 72 MHz Arm Cortex-M3 core, 64 KB Flash memory, 32-bit processing, USB, CAN, and LIN interfaces in a 36-VFQFPN 6 x 6 mm package. Verified distributor data also identifies 2.5 V / 3.3 V operation. SRAM size, GPIO count, timers, ADC ratings, electrical limits, and exact package pin assignments remain datasheet-dependent and are not guessed here.

Données de référence d'ingénierie pour STM32F103T8U7 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose STM32F103T8U7 when your design needs the verified STMicroelectronics STM32F103 platform, a 72 MHz Arm Cortex-M3 core, 64 KB Flash, and USB/CAN/LIN connectivity in a 36-VFQFPN package. Choose a same-family STM32F103T8 ordering variant only after checking the exact temperature grade, package suffix, memory configuration, pinout, and lifecycle requirements. Consider GD32F103C8T6 only as a migration or second-source project, not as a certified drop-in replacement: the supplied cross-reference information reports different maximum frequency and requires firmware and timing review. This recommendation also assumes the application fits within the verified memory and interface information; SRAM, ADC, timer, electrical-limit, and absolute-maximum details remain to be confirmed from the manufacturer datasheet.

Comparaison avec les alternatives

Paramètre Ce produit STM32F103T8U6 STM32F103T8 STM32F103T8U7TR GD32F103C8T6
Package 36-VFQFPN (6 x 6 mm) 36-VFQFPN (6 x 6 mm) 36-VFQFPN (6 x 6 mm) 36-VFQFPN (6 x 6 mm) 36-VFQFPN (6 x 6 mm)
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics GigaDevice

Principaux différenciateurs

  • Direct STMicroelectronics STM32F103 family identity (vs GD32F103C8T6)
  • Verified USB, CAN, and LIN interface positioning (vs STM32F103T8U7TR)
  • 72 MHz STM32F103 performance class (vs GD32F103C8T6)

Notes de conception

Use the official STMicroelectronics 36-VFQFPN land pattern and exposed-pad geometry. Place the MCU close to its supply bypass capacitors, keep ground-return paths continuous, and route high-current outputs away from sensitive clock, USB, CAN, and sensor traces. The supplied data confirms the 6 x 6 mm package but does not provide the full pin map or recommended PCB layout, so do not infer pad dimensions from a generic QFN footprint.

Design the supply rail for the verified 2.5 V / 3.3 V device class and provide local decoupling close to the MCU. USB, CAN, and LIN interfaces may require different external components and protection networks; follow the relevant transceiver and connector recommendations. Verify brownout behavior, startup current, regulator stability, and exposed-pad grounding in the final schematic before release.

The verified excerpts do not include SRAM size, complete GPIO mapping, ADC specifications, timer channels, absolute maximum ratings, or a complete pinout. Treat those values as datasheet-dependent rather than filling them from memory. A replacement that appears similar by core and Flash size may still differ in pin mapping, clock details, peripherals, firmware behavior, or temperature grade, so qualification must include PCB review and hardware testing.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Unknown
Sans halogène
Unknown
Minerais de conflit
Unknown

The supplied verified snippets do not establish RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not_applicable because no automotive qualification data was provided; this is not a statement that the part is suitable or unsuitable for automotive use.

Données vérifiées le : 2026-10-21 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

STM32F103T8U7 STM32F103T8U7 datasheet PDF STMicroelectronics STM32F103T8U7 STM32F103 72MHz 64KB Flash microcontroller STM32F103T8U7 36-VFQFPN STM32F103T8U7 USB CAN LIN STM32F103T8U7 industrial controller STM32F103T8U7 USB-to-CAN module STM32F103T8U7 vs GD32F103C8T6 STM32F103T8U7 drop-in replacement STM32F103T8U7 price STM32F103T8U7 buy online STM32F103T8U7 pinout STM32F103T8U7 lead time

Composants & termes associés

STMicroelectronics STM32F103T8U7 STM32F103T8 STM32F103T8U6 STM32F103T8U7TR GD32F103C8T6 GigaDevice Arm Cortex-M3 32-bit RISC microcontroller STM32F1 64 KB Flash 72 MHz 36-VFQFPN 6 x 6 mm package USB CAN LIN embedded control industrial communication motor control sensor acquisition surface-mount semiconductor firmware exposed pad
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