ST10F276-4T3 - 16-bit MCU 32MHz 832KB Flash | STMicroelectronics
MPN: ST10F276-4T3 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
Drop-in alternatives for ST10F276-4T3 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ST10F276-4T3Q
β Drop-Inπ Reference alternative (not in catalog)
ST10F276-4T3B
β Drop-Inπ Reference alternative (not in catalog)
ST10F276-4T3
β Drop-Inβ 99,999 In Stock
$8.1 / Unit
View Datasheet βST10F276-4T3
β Drop-Inβ 99,999 In Stock
$8.1 / Unit
View Datasheet βST10F276-4T3 Maximum Ratings & Electrical Characteristics
| Core | ST10 16-bit CISC |
| Maximum Clock Frequency | 32 MHz |
| Program Memory Size | 832 KB Flash |
| RAM Size | 68 KB |
| Data Bus Width | 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 |
| Operating Temperature | -40Β°C to +125Β°C |
| Package | TQFP-144 |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
ST10F276-4T3 Pin Configuration
| Pin 1 | P0.0 β Port 0 bit 0, general purpose I/O |
| Pin 2 | P0.1 β Port 0 bit 1, general purpose I/O |
| Pin 3 | P0.2 β Port 0 bit 2, general purpose I/O |
| Pin 4 | P0.3 β Port 0 bit 3, general purpose I/O |
| Pin 5 | P0.4 β Port 0 bit 4, general purpose I/O |
| Pin 6 | P0.5 β Port 0 bit 5, general purpose I/O |
| Pin 7 | P0.6 β Port 0 bit 6, general purpose I/O |
| Pin 8 | P0.7 β Port 0 bit 7, general purpose I/O |
| Pin 9 | VDD β Power supply (5V) |
| Pin 10 | VSS β Ground |
| Pin 11 | P1.0 β Port 1 bit 0, general purpose I/O |
| Pin 12 | P1.1 β Port 1 bit 1, general purpose I/O |
| Pin 13 | P1.2 β Port 1 bit 2, general purpose I/O |
| Pin 14 | P1.3 β Port 1 bit 3, general purpose I/O |
| Pin 15 | P1.4 β Port 1 bit 4, general purpose I/O |
| Pin 16 | P1.5 β Port 1 bit 5, general purpose I/O |
| Pin 17 | P1.6 β Port 1 bit 6, general purpose I/O |
| Pin 18 | P1.7 β Port 1 bit 7, general purpose I/O |
| Pin 19 | XTAL1 β Crystal oscillator input |
| Pin 20 | XTAL2 β Crystal oscillator output |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ST10F276-4T3 is suitable for 6 applications: 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 -40Β°C to +125Β°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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for ST10F276-4T3 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- Large Flash memory of 832 KB (vs ST10F276-4T3Q)
- Dual CAN channels (vs ST10F276-4T3B)
- Wide temperature range (vs ST10F276-4T3Q)
Design Notes
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 40Β°C/W. At 5V and 100mA, power dissipation is 0.5W, resulting in a 20Β°C temperature rise. For higher currents, ensure adequate airflow or a heatsink. Monitor junction temperature to stay within the -40Β°C to +125Β°C range.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified, but suitable for automotive applications per datasheet.
