SPC564B74L7 - 32-bit MCU, 4MB Flash, 150MHz | STMicroelectronics
MPN: SPC564B74L7 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.75 | $167.50 |
| 100 | $14.2 | $1,420.00 |
| 500 | $12.8 | $6,400.00 |
| 1,000 | $11.5 | $11,500.00 |
Drop-in alternatives for SPC564B74L7 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesSPC564B74L7 Maximum Ratings & Electrical Characteristics
| Core | e200z4 (Power Architecture) |
| Maximum Clock Frequency | 150 MHz |
| Flash Memory | 4 MB |
| RAM | 256 KB |
| Package | LQFP176 (24x24 mm) |
| Operating Temperature | -40Β°C to +125Β°C |
| Supply Voltage | 3.3V to 5V |
| AEC-Q100 | Qualified |
| ADC | 12-bit, multiple channels |
| Communication Interfaces | FlexCAN, LIN, SPI, I2C, UART |
| Timer Modules | eTPU, eMIOS |
| DMA | Yes |
| Safety | Lockstep dual-core, MPU, ECC, CRC |
| RoHS | Compliant |
| Mounting Type | Surface Mount |
SPC564B74L7 Pin Configuration
| Pin 1 | VDD β Digital power supply |
| Pin 2 | VSS β Digital ground |
| Pin 3 | PA0 β General purpose I/O |
| Pin 4 | PA1 β General purpose I/O |
| Pin 5 | PA2 β General purpose I/O |
| Pin 6 | PA3 β General purpose I/O |
| Pin 7 | VDD_HV β High voltage power supply |
| Pin 8 | VSS_HV β High voltage ground |
| Pin 9 | PB0 β General purpose I/O |
| Pin 10 | PB1 β General purpose I/O |
| Pin 11 | PB2 β General purpose I/O |
| Pin 12 | PB3 β General purpose I/O |
| Pin 13 | VDD β Digital power supply |
| Pin 14 | VSS β Digital ground |
| Pin 15 | PC0 β General purpose I/O |
| Pin 16 | PC1 β General purpose I/O |
| Pin 17 | PC2 β General purpose I/O |
| Pin 18 | PC3 β General purpose I/O |
| Pin 19 | VDD β Digital power supply |
| Pin 20 | VSS β Digital ground |
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
SPC564B74L7 is suitable for 6 applications: Engine Management System, Battery Management System (BMS), Electric Power Steering (EPS), Industrial Motor Drive, Transmission Control Unit (TCU), Aerospace Actuator Control.
Engine Management System
The SPC564B74L7's 150 MHz e200z4 core and 4 MB flash enable complex engine control algorithms, such as fuel injection timing and ignition control. Its FlexCAN interface allows seamless communication with other ECUs in the vehicle network. The lockstep dual-core architecture ensures safety-critical operation, meeting ISO 26262 ASIL-D requirements. The 12-bit ADC provides precise sensor readings for air-fuel ratio and throttle position, enabling optimal engine performance and emissions control. With a wide temperature range and AEC-Q100 qualification, it is designed for under-hood reliability.
Recommended
Battery Management System (BMS)
In a BMS, the SPC564B74L7 monitors cell voltages, currents, and temperatures using its 12-bit ADC and multiple channels. The MCU's high-speed processing enables real-time state-of-charge (SoC) and state-of-health (SoH) estimation. Its FlexCAN interface communicates with the vehicle's central controller, while the lockstep core ensures fail-safe operation. The 4 MB flash stores calibration data and logging information. The device's -40Β°C to +125Β°C range suits the thermal variations in battery packs. The SPC564B74L7's safety features, including ECC and CRC, protect data integrity in critical battery management functions.
Recommended
Electric Power Steering (EPS)
The SPC564B74L7 provides the computational power for EPS systems, processing torque sensor inputs and controlling the motor driver. Its eTPU and eMIOS timer modules generate precise PWM signals for the motor, enabling smooth and responsive steering assistance. The 12-bit ADC reads the torque sensor with high resolution, and the FlexCAN interface communicates with other vehicle systems. The lockstep dual-core architecture ensures that a single-point failure does not compromise steering safety. The MCU's 150 MHz clock allows for fast control loops, improving steering feel and stability. Its AEC-Q100 qualification guarantees reliability in automotive environments.
Recommended
Industrial Motor Drive
For industrial motor drives, the SPC564B74L7 executes field-oriented control (FOC) algorithms at 150 MHz, enabling efficient and precise motor control. Its eTPU module generates high-resolution PWM signals, while the 12-bit ADC samples phase currents and DC bus voltage. The device's extensive communication interfaces (SPI, I2C, UART) allow integration with industrial networks. The lockstep core provides safety for machinery, and the wide temperature range supports harsh factory environments. The 4 MB flash stores complex control algorithms and diagnostic routines. The SPC564B74L7's deterministic execution ensures consistent performance in real-time control loops.
Recommended
Transmission Control Unit (TCU)
The SPC564B74L7 manages gear shifting in automatic transmissions, processing inputs from speed sensors and solenoids. Its high-speed core and timer modules enable precise control of shift timing and clutch engagement. The FlexCAN interface communicates with the engine ECU and other modules. The lockstep dual-core architecture ensures fail-safe operation, critical for transmission safety. The 4 MB flash stores shift maps and adaptive learning data. The device's 12-bit ADC reads hydraulic pressure sensors, and its robust design withstands the vibration and temperature extremes of the transmission environment.
Recommended
Aerospace Actuator Control
In aerospace applications, the SPC564B74L7 controls actuators for flight surfaces, requiring high reliability and real-time performance. Its lockstep dual-core architecture and ECC memory provide fault tolerance essential for safety-critical systems. The MCU's 150 MHz processing enables fast control loops for precise actuator positioning. The 12-bit ADC interfaces with position sensors, and the FlexCAN interface communicates with the flight control computer. The device's wide temperature range and AEC-Q100 qualification (though not aerospace-specific) ensure robust operation. The 4 MB flash stores complex control laws and redundancy management software.
Recommended
Recommended Products Summary
Engineering reference data for SPC564B74L7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SPC564B70L7 | SPC564B74L7-Q1 | SPC564B64L7 |
|---|---|---|---|---|
| Package | LQFP176 | LQFP176 | LQFP176 | LQFP176 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | e200z4 | e200z4 | e200z4 | e200z4 |
| Max Clock Frequency | 150 MHz | 120 MHz | 150 MHz | 120 MHz |
| Flash Memory | 4 MB | 2 MB | 4 MB | 1.5 MB |
| RAM | 256 KB | 192 KB | 256 KB | 128 KB |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified |
| Safety Architecture | Lockstep dual-core | Lockstep dual-core | Lockstep dual-core | Lockstep dual-core |
Key Differentiators
- Higher memory capacity (vs SPC564B70L7)
- Higher clock speed (vs SPC564B64L7)
- Automotive grade option (vs SPC564B74L7-Q1)
Design Notes
Ensure stable power supply by placing 100 nF decoupling capacitors close to each VDD pin and a 10 uF bulk capacitor on the main supply. The SPC564B74L7 operates from 3.3V to 5V; verify the internal regulator configuration for your supply voltage. Use separate analog and digital grounds to minimize noise coupling into the ADC.
For the LQFP176 package, follow the recommended PCB layout in the datasheet, including proper thermal pad connection to ground for heat dissipation. Keep high-speed communication traces (FlexCAN, SPI) impedance-matched and away from noisy power lines. Use a ground plane to reduce EMI and improve signal integrity.
Do not exceed the absolute maximum ratings for supply voltage and I/O pins. Ensure the reset circuit is properly designed with a pull-up resistor and capacitor to meet the required reset timing. For safety-critical applications, enable the lockstep mode and run built-in self-tests (BIST) at startup to detect faults early.
Compliance Information
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
