SPC564B74L7 - 32-bit MCU, 4MB Flash, 150MHz | STMicroelectronics
料号： SPC564B74L7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： SPC564B74L7 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： SPC564B74L7 （相同外形与封装尺寸） ——差异在于 ADC, Flash Memory, RAM.
快速对比工具——选择替代料号进行并排对比：
SPC564B70L7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
SPC564B74L7-Q1
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
SPC564B64L7
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$14.3182 / 个
查看数据手册 →SPC564B74L7
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$11.5 / 个
查看数据手册 →SPC564B74L7 最大额定值与电气特性
| Core | e200z4 (Power Architecture) |
| 最大时钟频率 | 150 MHz |
| Flash Memory | 4 MB |
| RAM | 256 KB |
| 封装 | LQFP176 (24x24 mm) |
| 工作温度 | -40°C to +125°C |
| 电源电压 | 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 |
| 安装类型 | Surface Mount |
SPC564B74L7 引脚配置
| 引脚 1 | VDD — Digital power supply |
| 引脚 2 | VSS — Digital ground |
| 引脚 3 | PA0 — General purpose I/O |
| 引脚 4 | PA1 — General purpose I/O |
| 引脚 5 | PA2 — General purpose I/O |
| 引脚 6 | PA3 — General purpose I/O |
| 引脚 7 | VDD_HV — High voltage power supply |
| 引脚 8 | VSS_HV — High voltage ground |
| 引脚 9 | PB0 — General purpose I/O |
| 引脚 10 | PB1 — General purpose I/O |
| 引脚 11 | PB2 — General purpose I/O |
| 引脚 12 | PB3 — General purpose I/O |
| 引脚 13 | VDD — Digital power supply |
| 引脚 14 | VSS — Digital ground |
| 引脚 15 | PC0 — General purpose I/O |
| 引脚 16 | PC1 — General purpose I/O |
| 引脚 17 | PC2 — General purpose I/O |
| 引脚 18 | PC3 — General purpose I/O |
| 引脚 19 | VDD — Digital power supply |
| 引脚 20 | VSS — Digital ground |
典型应用
SPC564B74L7 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： SPC564B74L7 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Higher memory capacity （对比 SPC564B70L7)
- Higher clock speed （对比 SPC564B64L7)
- Automotive grade option （对比 SPC564B74L7-Q1)
设计说明
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.
合规信息
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
