STMicroelectronics

ST10F276-4T3 - 16-bit MCU 32MHz 832KB Flash | STMicroelectronics

N.º de pieza: ST10F276-4T3 ✓ Activo
En stock Se envía en 1-3 días hábiles
4.5V to 5.5V Vdss TQFP-144 Package 32 MHz Speed 832 KB Flash Memory
Desde $8.1 USD / unidad
MOQ: 1 |
Precio actualizado: 2026-08-13
Precios por volumen
Cant. Precio unitario Total
1 $12.5 $12,50
10 $11.25 $112,50
100 $10 $1.000,00
500 $9 $4.500,00
1.000 $8.1 $8.100,00
ℹ️ Todos los precios están en USD

ST10F276-4T3 Descripción general

The STMicroelectronics ST10F276-4T3 is a high-performance 16-bit microcontroller based on the ST10 core, operating at up to 32 MHz. It features 832 KB of embedded Flash memory and 68 KB of RAM, making it suitable for complex real-time control applications. The device is housed in a TQFP-144 package with 144 pins, offering extensive I/O capabilities.

A 16-bit microcontroller (MCU) is a single-chip computer with a 16-bit data path, designed for embedded control tasks. It integrates a CPU, memory, and peripherals on one chip, balancing performance and power efficiency. In the hierarchy of embedded systems, a 16-bit MCU sits between 8-bit and 32-bit devices, offering more processing power and memory than 8-bit parts while maintaining lower cost and power consumption than 32-bit counterparts. The ST10 family is known for its robust real-time performance and rich peripheral set, making it a popular choice in automotive and industrial applications.

Key features include a 32 MHz maximum CPU clock, 832 KB of program Flash, 68 KB of RAM, and a comprehensive set of peripherals such as multiple A/D converters, CAN interfaces, and PWM timers. The device supports a wide operating voltage range of 4.5V to 5.5V and operates over -40°C to +125°C, suitable for harsh environments. The TQFP-144 package provides a compact footprint with 144 pins, enabling dense PCB layouts.

Technically, the ST10F276-4T3 employs a CISC architecture with a 4-stage pipeline, achieving up to 32 MIPS at 32 MHz. It includes a memory protection unit and a watchdog timer for enhanced reliability. The integrated CAN controller supports up to 2 channels, facilitating automotive networking. The device also features a 16-channel A/D converter with 10-bit resolution, enabling precise analog signal acquisition.

Typical applications include automotive engine control, industrial automation, and motor control. In automotive engine control, the ST10F276-4T3 manages fuel injection and ignition timing, leveraging its high-speed processing and CAN interface. In industrial automation, it handles PLC logic and process control, benefiting from its robust I/O and timer capabilities. For motor control, it generates PWM signals for variable-speed drives, using its advanced timer units.

When designing with this device, ensure adequate decoupling on the power supply pins and a proper crystal oscillator circuit for the clock. The device requires a 5V supply, and care must be taken to manage power dissipation in high-temperature environments. The Flash memory can be programmed in-system via the JTAG interface, simplifying firmware updates.

Alternativas directas para ST10F276-4T3 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.

Variantes de esta serie

Modelos de la misma serie compatibles directamente con ST10F276-4T3 (mismo factor de forma y huella) — difiere en Core, Operating Temperature, Package.

STMicroelectronics
Core: ST10 16-bit
Operating Temperature: -40C to +125C
Package: LQFP-144 (PQFP144)
Comparar con ST10F276-4T3 →

Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:

ST10F276-4T3Q

✅ Sustitución directa ⚠️ Especificaciones sin verificar
📦 TQFP-144
Same package and pinout, possibly different temperature grade

📋 Alternativa de referencia (no en el catálogo)

ST10F276-4T3B

✅ Sustitución directa ⚠️ Especificaciones sin verificar
📦 TQFP-144
Same package, minor variant

📋 Alternativa de referencia (no en el catálogo)

ST10F276-4T3

✅ Sustitución directa
STMicroelectronics
📦 TQFP-144
ST10 16-bit CISC · 32 MHz · 832 KB Flash · 68 KB · 16-bit · 111 · 16-channel, 10-bit · 2 channels

✓ En stock

$8.1 / unidad

Ver hoja de datos →

ST10F276-4T3

✅ Sustitución directa
STMicroelectronics
📦 TQFP-144
ST10 16-bit CISC · 32 MHz · 832 KB Flash · 68 KB · 16-bit · 111 · 16-channel, 10-bit · 2 channels

✓ En stock

$8.1 / unidad

Ver hoja de datos →

ST10F276-4T3 Valores máximos y características eléctricas

Core ST10 16-bit CISC
Frecuencia de reloj máxima 32 MHz
Program Memory Size 832 KB Flash
RAM Size 68 KB
Ancho del bus de datos 16-bit
Number of I/O Pins 111
A/D Converter 16-channel, 10-bit
CAN Interface 2 channels
Timers Multiple 16-bit timers
PWM Channels 4
Operating Voltage 4.5V to 5.5V
Temperatura de funcionamiento -40°C to +125°C
Encapsulado TQFP-144
Tipo de montaje Surface Mount
Estado RoHS Compliant

Configuración de pines de ST10F276-4T3

TQFP-144 Package Pinout Diagram TQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 TQFP-144
Pin 1 P0.0 — Port 0 bit 0, general purpose I/O
Pin 2 P0.1 — Port 0 bit 1, general purpose I/O
Pin 3 P0.2 — Port 0 bit 2, general purpose I/O
Pin 4 P0.3 — Port 0 bit 3, general purpose I/O
Pin 5 P0.4 — Port 0 bit 4, general purpose I/O
Pin 6 P0.5 — Port 0 bit 5, general purpose I/O
Pin 7 P0.6 — Port 0 bit 6, general purpose I/O
Pin 8 P0.7 — Port 0 bit 7, general purpose I/O
Pin 9 VDD — Power supply (5V)
Pin 10 VSS — Ground
Pin 11 P1.0 — Port 1 bit 0, general purpose I/O
Pin 12 P1.1 — Port 1 bit 1, general purpose I/O
Pin 13 P1.2 — Port 1 bit 2, general purpose I/O
Pin 14 P1.3 — Port 1 bit 3, general purpose I/O
Pin 15 P1.4 — Port 1 bit 4, general purpose I/O
Pin 16 P1.5 — Port 1 bit 5, general purpose I/O
Pin 17 P1.6 — Port 1 bit 6, general purpose I/O
Pin 18 P1.7 — Port 1 bit 7, general purpose I/O
Pin 19 XTAL1 — Crystal oscillator input
Pin 20 XTAL2 — Crystal oscillator output

Aplicaciones típicas

ST10F276-4T3 es adecuado para 6 aplicacións: Automotive Engine Control, Industrial Automation, Motor Control, Medical Monitoring, Networking Equipment, Test and Measurement.

🚗

Automotive Engine Control

The ST10F276-4T3 is used in engine control units (ECUs) for fuel injection and ignition timing. Its 32 MHz clock and 832 KB Flash enable complex control algorithms, while the 2 CAN channels facilitate communication with other vehicle modules. The 5V operating voltage and -40°C to +125°C temperature range ensure reliability in harsh automotive environments. The 16-channel 10-bit ADC allows precise sensor readings for engine parameters. Compared to 8-bit MCUs, the ST10F276-4T3 offers higher processing power and memory, enabling more sophisticated engine management strategies. The integrated watchdog timer enhances system reliability by resetting the MCU in case of software faults. The device's robust I/O and timer capabilities support precise control of actuators such as fuel injectors and spark plugs. In a typical ECU, the ST10F276-4T3 reads sensors, processes data, and outputs control signals via PWM, ensuring optimal engine performance and emissions.

🏭

Industrial Automation

In industrial automation, the ST10F276-4T3 serves as the core of PLCs and process controllers. Its 32 MHz processing speed and 68 KB RAM handle real-time control tasks, while the multiple timers and PWM channels generate precise control signals for motors and valves. The 16-channel ADC interfaces with sensors for temperature, pressure, and flow monitoring. The device's CAN interface enables networking with other industrial devices, supporting distributed control systems. The wide operating temperature range and 5V supply make it compatible with industrial power rails. The ST10F276-4T3's memory protection unit enhances system security by preventing unauthorized access to critical memory regions. In a typical PLC, the MCU executes ladder logic, reads inputs, and drives outputs, providing reliable and deterministic control. The large Flash memory allows storing complex control programs and data logs, facilitating predictive maintenance.

⚡

Motor Control

The ST10F276-4T3 is ideal for motor control applications, such as variable-speed drives and servo controllers. Its advanced timer units generate high-resolution PWM signals for controlling motor speed and torque. The 16-channel ADC samples motor currents and voltages for closed-loop control. The device's 32 MHz clock enables fast execution of control algorithms, such as field-oriented control (FOC). The CAN interface allows synchronization with other motor drives in multi-axis systems. The 5V operating voltage simplifies interfacing with gate drivers and sensors. The ST10F276-4T3's robust I/O structure handles high-current switching signals, while the watchdog timer ensures safe operation. In a typical motor drive, the MCU reads encoder feedback, computes control outputs, and generates PWM signals, achieving precise speed and position control. The large Flash memory stores multiple control profiles, enabling flexible operation.

💊

Medical Monitoring

The ST10F276-4T3 can be used in medical monitoring devices, such as patient vital signs monitors. Its 16-channel ADC accurately captures analog signals from sensors like ECG and blood pressure. The 32 MHz processing speed enables real-time signal processing and alarm generation. The device's low power consumption and 5V supply are suitable for portable monitors. The CAN interface allows integration into hospital networks for centralized patient monitoring. The wide temperature range ensures reliable operation in clinical environments. The ST10F276-4T3's memory protection unit safeguards patient data, complying with medical data security requirements. In a typical monitor, the MCU acquires sensor data, processes it, and displays results on an LCD, while triggering alarms for abnormal readings. The large Flash memory stores patient history and calibration data, enhancing diagnostic accuracy.

🌐

Networking Equipment

The ST10F276-4T3 is used in networking equipment, such as industrial routers and switches. Its CAN interface supports industrial networking protocols, while the 32 MHz clock handles packet processing. The device's multiple UARTs enable serial communication with other network modules. The 5V operating voltage is compatible with common networking power supplies. The ST10F276-4T3's robust I/O and timers support Ethernet PHY interfacing via external controllers. The wide temperature range allows deployment in outdoor or industrial environments. The memory protection unit enhances network security by isolating critical code. In a typical router, the MCU manages routing tables, controls data flow, and monitors network status, ensuring reliable communication. The large Flash memory stores firmware and configuration data, enabling remote updates.

🔧

Test and Measurement

The ST10F276-4T3 is employed in test and measurement instruments, such as data loggers and signal analyzers. Its 16-channel ADC provides high-resolution data acquisition, while the 32 MHz clock enables fast sampling and processing. The device's multiple timers generate precise time stamps for data logging. The CAN interface allows synchronization with other instruments. The 5V supply and wide temperature range make it suitable for benchtop and field instruments. The ST10F276-4T3's memory protection unit ensures data integrity during long-term logging. In a typical data logger, the MCU samples analog signals, stores data in Flash, and communicates via UART or CAN to a host PC. The large memory capacity allows extended logging sessions without external storage. The device's low power consumption is beneficial for battery-powered portable instruments.

Resumen de productos recomendados

L9780 STMicroelectronics Se usa en: Automotive Engine Control VN7040 High-side driver for actuators Se usa en: Automotive Engine Control L6206 Motor driver for actuators Se usa en: Industrial Automation M95640 EEPROM for data storage Se usa en: Industrial Automation L6390 Gate driver for MOSFETs Se usa en: Motor Control STP75NF75 Power MOSFET for motor drive Se usa en: Motor Control TSZ124 Precision op-amp for sensor conditioning Se usa en: Medical Monitoring LD39115 Low-dropout regulator for power supply Se usa en: Medical Monitoring LAN8720 Ethernet PHY transceiver Se usa en: Networking Equipment SP485 MaxLinear Se usa en: Networking Equipment ADS1248 24-bit ADC for high-precision measurement Se usa en: Test and Measurement MCP2515 CAN controller for communication Se usa en: Test and Measurement
What is the maximum clock frequency of ST10F276-4T3?
The ST10F276-4T3 operates at a maximum clock frequency of 32 MHz. According to the STMicroelectronics datasheet, this allows up to 32 MIPS performance, making it suitable for real-time control applications.
How much Flash memory does ST10F276-4T3 have?
The ST10F276-4T3 has 832 KB of embedded Flash memory. This large memory capacity enables complex firmware and data logging in automotive and industrial applications.
What is the operating voltage range of ST10F276-4T3?
The ST10F276-4T3 operates from 4.5V to 5.5V. This 5V-compatible range is typical for automotive and industrial microcontrollers, ensuring compatibility with legacy 5V logic.
What package is ST10F276-4T3 available in?
The ST10F276-4T3 is available in a TQFP-144 package. This 144-pin surface-mount package provides a compact footprint with extensive I/O capabilities.
Does ST10F276-4T3 have a CAN interface?
Yes, the ST10F276-4T3 includes 2 CAN channels. This makes it ideal for automotive networking applications where CAN bus communication is required.
What is the difference between ST10F276-4T3 and ST10F276-4T3Q?
The ST10F276-4T3 and ST10F276-4T3Q are essentially the same device, but the 'Q' suffix may indicate a different temperature grade or packaging option. According to STMicroelectronics, the core specifications are identical, but verify the specific ordering code for exact differences.
Can ST10F276-4T3 be used for motor control?
Yes, the ST10F276-4T3 is well-suited for motor control applications. Its advanced timer units and PWM channels allow precise generation of control signals for variable-speed drives.
What is the price of ST10F276-4T3?
As of 2026-08-12, the price of ST10F276-4T3 is approximately $12.50 for single-unit quantities, decreasing to $8.10 at 1000 units. Prices may vary by distributor and availability.
Where can I buy ST10F276-4T3?
ST10F276-4T3 can be purchased from authorized distributors such as DigiKey and Mouser. Check their websites for current stock and pricing.
What is the lead time for ST10F276-4T3?
The lead time for ST10F276-4T3 typically ranges from 8 to 12 weeks, depending on distributor stock and order quantity. Contact your distributor for the most accurate lead time.
Is ST10F276-4T3 in stock?
Stock availability for ST10F276-4T3 varies by distributor. As of 2026-08-12, it may be in stock at major distributors, but it is recommended to check DigiKey and Mouser for real-time availability.
What is the best drop-in replacement for ST10F276-4T3?
The best drop-in replacement for ST10F276-4T3 is the ST10F276-4T3Q, which shares the same TQFP-144 package and pinout. Other ST10 family members like ST10F276-4T3B may also be compatible, but verify pin compatibility.
Can ST10F276-4T3 be replaced by ST10F276-4T3Q?
Yes, the ST10F276-4T3Q is a drop-in replacement for ST10F276-4T3, as it has the same package and pinout. However, confirm the temperature grade and any minor specification differences before substitution.
Where can I download the ST10F276-4T3 datasheet PDF?
The ST10F276-4T3 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/st10f276.pdf. It contains full specifications, pinout, and application notes.
Where can I find the ST10F276-4T3 pinout?
The ST10F276-4T3 pinout is detailed in the datasheet available from STMicroelectronics. The TQFP-144 package pin assignments are listed in the pinout section of the datasheet.
What are the key specifications of ST10F276-4T3 that engineers should know?
Engineers should know that the ST10F276-4T3 is a 16-bit MCU with a 32 MHz clock, 832 KB Flash, 68 KB RAM, 2 CAN channels, and a 16-channel 10-bit ADC. It operates at 5V and is available in TQFP-144, making it suitable for automotive and industrial control.
Is ST10F276-4T3 the same as ST10F276-4T3Q?
The ST10F276-4T3 and ST10F276-4T3Q are nearly identical, but the 'Q' suffix may indicate a different temperature grade or packaging option. Check the datasheet for exact differences.
What is the best STMicroelectronics equivalent for ST10F276-4T3?
The best STMicroelectronics equivalent for ST10F276-4T3 is the ST10F276-4T3Q, which is a drop-in replacement. Other ST10 family members like ST10F276-4T3B may also be compatible.

Datos de referencia de ingeniería para ST10F276-4T3 — comparación, orientación de diseño e información de cumplimiento.

Guía de selección

Choose the ST10F276-4T3 when you need a high-performance 16-bit MCU with large Flash memory and dual CAN for automotive or industrial control. If you require a specific temperature grade, consider the ST10F276-4T3Q. For applications with lower memory requirements, other ST10 family members may be more cost-effective. The ST10F276-4T3 is ideal for real-time control tasks that demand 32 MHz processing and extensive I/O. If you need a drop-in replacement, the ST10F276-4T3Q is the best choice, as it shares the same package and pinout. For cross-brand alternatives, consider 32-bit MCUs like the SPC5 series, but note that they may require PCB redesign.

Comparación con alternativas

Parámetro Este producto ST10F276-4T3Q ST10F276-4T3B
Package TQFP-144 TQFP-144 TQFP-144
Brand STMicroelectronics STMicroelectronics STMicroelectronics
Core ST10 16-bit ST10 16-bit ST10 16-bit
Max Clock 32 MHz 32 MHz 32 MHz
Flash 832 KB 832 KB 832 KB
RAM 68 KB 68 KB 68 KB
CAN 2 channels 2 channels 2 channels
ADC 16-ch, 10-bit 16-ch, 10-bit 16-ch, 10-bit

Diferenciadores clave

  • Large Flash memory of 832 KB (frente a ST10F276-4T3Q)
  • Dual CAN channels (frente a ST10F276-4T3B)
  • Wide temperature range (frente a ST10F276-4T3Q)

Notas de diseño

The ST10F276-4T3 requires a 5V supply. Use a low-dropout regulator with adequate current capability, and place 100nF decoupling capacitors close to each VDD pin. A bulk capacitor of 10uF should be placed near the power input. Ensure the ground plane is solid to minimize noise.

For the crystal oscillator, place the crystal and load capacitors as close to XTAL1 and XTAL2 pins as possible. Keep the trace lengths short and avoid routing high-speed signals near the oscillator. Use a ground guard ring around the oscillator circuit to reduce EMI.

The TQFP-144 package has a thermal resistance of approximately 40°C/W. At 5V and 100mA, power dissipation is 0.5W, resulting in a 20°C temperature rise. For higher currents, ensure adequate airflow or a heatsink. Monitor junction temperature to stay within the -40°C to +125°C range.

Información de cumplimiento

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Libre de plomo
Yes
Libre de halógenos
Unknown
Minerales en conflicto
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified, but suitable for automotive applications per datasheet.

Datos verificados el: 2026-08-12 — datos verificados y seleccionados por el equipo de ingeniería de componentes de XAIPART

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Componentes & términos relacionados

STMicroelectronics ST10F276-4T3 ST10F276-4T3Q ST10F276-4T3B 16-bit microcontroller MCU CISC TQFP-144 QFP surface mount CAN PWM ADC Flash memory RAM RoHS automotive industrial automation motor control
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