SPC564B74L7 - 32-bit MCU, 4MB Flash, 150MHz | STMicroelectronics
Référence : SPC564B74L7 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 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 |
SPC564B74L7 Présentation
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and RAM), and programmable input/output peripherals on a single chip. MCUs are the brain of countless electronic products, from automotive engine control units (ECUs) to industrial automation controllers. The SPC564B74L7 belongs to the family of 32-bit MCUs, which offer higher performance and memory capacity compared to 8-bit or 16-bit counterparts, enabling more sophisticated software algorithms and real-time processing.
Key features of the SPC564B74L7 include a dual-core lockstep architecture for safety-critical applications, a rich set of communication interfaces (FlexCAN, LIN, SPI, I2C, UART), and advanced timer modules (eTPU, eMIOS) for precise motor control and timing. The MCU also integrates a 12-bit ADC with multiple channels, supporting high-resolution analog sensing. Its operating temperature range of -40°C to +125°C and AEC-Q100 qualification make it robust for harsh automotive environments.
Technically, the SPC564B74L7 leverages the Power Architecture e200z4 core, which is optimized for deterministic real-time execution. The lockstep dual-core configuration detects and corrects transient faults, enhancing system reliability for ISO 26262 ASIL-D compliance. The device includes a memory protection unit (MPU), error correction code (ECC) on flash and RAM, and a cyclic redundancy check (CRC) unit for data integrity. These features are critical for safety-critical applications where failure is not an option.
Typical applications include engine management systems, transmission control, electric power steering, battery management systems (BMS), and industrial motor drives. The MCU's high-speed processing and extensive peripheral set allow it to handle complex control algorithms, such as field-oriented control (FOC) for motors and real-time diagnostics.
When designing with the SPC564B74L7, ensure proper power supply decoupling with 100 nF capacitors close to each VDD pin and a bulk capacitor on the main supply. The device requires a stable 3.3V or 5V supply, and the internal regulator can be configured accordingly. For safety-critical applications, implement the lockstep mode and use the built-in self-test (BIST) features during startup to meet ISO 26262 requirements.
Alternatives de remplacement direct pour SPC564B74L7 — 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 SPC564B74L7 (même facteur de forme et même empreinte) — différant par ADC, Flash Memory, RAM.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
SPC564B70L7
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
SPC564B74L7-Q1
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
SPC564B64L7
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$14.3182 / unité
Voir la fiche technique →SPC564B74L7
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$11.5 / unité
Voir la fiche technique →SPC564B74L7 Valeurs maximales et caractéristiques électriques
| Core | e200z4 (Power Architecture) |
| Fréquence d'horloge maximale | 150 MHz |
| Flash Memory | 4 MB |
| RAM | 256 KB |
| Boîtier | LQFP176 (24x24 mm) |
| Température de fonctionnement | -40°C to +125°C |
| Tension d'alimentation | 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 |
| Type de montage | Surface Mount |
Configuration des broches de SPC564B74L7
| Broche 1 | VDD — Digital power supply |
| Broche 2 | VSS — Digital ground |
| Broche 3 | PA0 — General purpose I/O |
| Broche 4 | PA1 — General purpose I/O |
| Broche 5 | PA2 — General purpose I/O |
| Broche 6 | PA3 — General purpose I/O |
| Broche 7 | VDD_HV — High voltage power supply |
| Broche 8 | VSS_HV — High voltage ground |
| Broche 9 | PB0 — General purpose I/O |
| Broche 10 | PB1 — General purpose I/O |
| Broche 11 | PB2 — General purpose I/O |
| Broche 12 | PB3 — General purpose I/O |
| Broche 13 | VDD — Digital power supply |
| Broche 14 | VSS — Digital ground |
| Broche 15 | PC0 — General purpose I/O |
| Broche 16 | PC1 — General purpose I/O |
| Broche 17 | PC2 — General purpose I/O |
| Broche 18 | PC3 — General purpose I/O |
| Broche 19 | VDD — Digital power supply |
| Broche 20 | VSS — Digital ground |
Applications typiques
SPC564B74L7 convient pour 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.
Recommandé
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 -40°C to +125°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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour SPC564B74L7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- Higher memory capacity (vs SPC564B70L7)
- Higher clock speed (vs SPC564B64L7)
- Automotive grade option (vs SPC564B74L7-Q1)
Notes de conception
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.
Informations de conformité
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
