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SPC5643LFF0MLQ8 Equivalent & Substitute Parts
Part Overview
The SPC5643LFF0MLQ8 is a 32-bit dual-core embedded microcontroller from NXP USA Inc., part of the MPC56xx Qorivva series. This device integrates an e200z4 processor core operating at 80MHz with 1MB of FLASH memory and 128KB of RAM in a 144-LQFP surface-mount package. The part supports multiple communication protocols including CANbus, FlexRay, LINbus, SPI, and UART/USART, with integrated peripherals such as DMA, PWM, and watchdog timer functionality.
The SPC5643LFF0MLQ8 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support long-term product maintenance and production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | SPC5643LFF0MLQ8 |
| Series | MPC56xx Qorivva |
| Core Processor | e200z4 |
| Core Configuration | 32-Bit Dual-Core |
| Operating Frequency | 80MHz |
| Program Memory | 1MB FLASH (1M x 8) |
| RAM | 128K x 8 |
| Supply Voltage | 3V to 5.5V |
| Operating Temperature | -40°C to 125°C |
| Package | 144-LQFP (20x20) |
| Mounting Type | Surface Mount |
| Data Converters | A/D 32x12-bit |
| Connectivity | CANbus, FlexRay, LINbus, SPI, UART/USART |
| Peripherals | DMA, POR, PWM, WDT |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SPC5643LFF0MLQ8 is determined by the following critical parameters:
Package Compatibility: All substitute parts must use the 144-LQFP (20x20) surface-mount package to ensure mechanical and electrical compatibility with existing PCB layouts.
Memory Configuration: The primary part specifies 1MB FLASH and 128KB RAM. Substitutes with identical memory capacity maintain functional equivalence for applications designed around these specifications.
Core Architecture: The e200z4 processor core and dual-core configuration define the instruction set and execution model. Substitutes using the e200z4d variant (enhanced version) maintain architectural compatibility while offering performance improvements.
Supply Voltage Range: The original part operates from 3V to 5.5V. Substitute parts operating within 3V to 3.63V represent a narrower voltage range and require verification of application requirements.
Operating Temperature Range: The original part supports -40°C to 125°C. Substitutes with -40°C to 105°C range have a reduced upper temperature limit and must be evaluated against application thermal requirements.
Communication Protocols: CANbus, LINbus, and SPI connectivity are present across all substitutes. The original part includes FlexRay support, which is not present in the SPC56xL series substitutes.
Product Status and Compliance: Active substitute parts with AEC-Q100 automotive qualification provide enhanced reliability and supply chain continuity compared to the obsolete original part.
Parameter Comparison
| Parameter | SPC5643LFF0MLQ8 | SPC564L60L5BCOQR | SPC56EL60L5CCOSR | SPC564L70L5BBOSR | SPC564L70L5BBOSY | SPC56EL60L5BBFQR | SPC56EL60L5BBFQY | SPC56EL60L5CBFQR | SPC56EL60L5CBFQY | SPC56EL60L5CBFSR | SPC56EL60L5CBOSR |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Series | MPC56xx Qorivva | SPC56xL | SPC56xL | SPC56xL | SPC56xL | SPC56xL | SPC56xL | SPC56xL | SPC56xL | SPC56xL | SPC56xL |
| Core Processor | e200z4 | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d |
| Core Configuration | 32-Bit Dual-Core | 32-Bit Single-Core | 32-Bit Dual-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core |
| Operating Frequency | 80MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz |
| Program Memory | 1MB FLASH | 1MB FLASH | 1MB FLASH | 2MB FLASH | 2MB FLASH | 1MB FLASH | 1MB FLASH | 1MB FLASH | 1MB FLASH | 1MB FLASH | 1MB FLASH |
| RAM | 128K x 8 | 128K x 8 | 128K x 8 | 192K x 8 | 192K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 |
| Supply Voltage | 3V to 5.5V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V | 3V to 3.63V |
| Operating Temperature | -40°C to 125°C | -40°C to 105°C | -40°C to 125°C | -40°C to 105°C | -40°C to 105°C | -40°C to 105°C | -40°C to 105°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) | 144-LQFP (20x20) |
| Connectivity | CANbus, FlexRay, LINbus, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART | CANbus, LINbus, SCI, SPI, UART/USART |
| Peripherals | DMA, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT |
| Data Converters | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit | A/D 32x12-bit |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Qualification | Not specified | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
Engineering Selection Recommendations
All listed substitute parts are manufactured by STMicroelectronics and carry AEC-Q100 automotive qualification, providing enhanced reliability and traceability compared to the obsolete NXP original part. All substitutes maintain the 144-LQFP package footprint and are ROHS3 compliant.
For applications requiring 1MB FLASH memory with dual-core configuration and -40°C to 125°C temperature range: SPC56EL60L5CBFQR, SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, and SPC56EL60L5CBOSR are direct functional equivalents. These parts operate at 120MHz, providing performance headroom over the original 80MHz specification.
For applications requiring 1MB FLASH memory with dual-core configuration and -40°C to 105°C temperature range: SPC56EL60L5BBFQR and SPC56EL60L5BBFQY are suitable alternatives with reduced upper temperature limit.
For applications requiring 1MB FLASH memory with single-core configuration: SPC564L60L5BCOQR provides a cost-optimized alternative with single-core architecture and -40°C to 105°C operating range.
For applications requiring increased program memory: SPC564L70L5BBOSR and SPC564L70L5BBOSY offer 2MB FLASH with 192KB RAM, supporting applications with larger code footprints. These parts are available in both Tape & Reel and Tray packaging options.
For applications requiring dual-core configuration with 1MB FLASH and extended temperature range: SPC56EL60L5CCOSR maintains the full -40°C to 125°C operating range with dual-core architecture.
All substitute parts operate within 3V to 3.63V supply voltage range, which is narrower than the original part's 3V to 5.5V range. Applications requiring operation above 3.63V require design modification or alternative component selection.
Frequently Asked Questions (FAQ)
Q: Can SPC564L60L5BCOQR replace SPC5643LFF0MLQ8 in a dual-core application?
A: No. SPC564L60L5BCOQR is a single-core variant, while the original part is dual-core. Applications requiring dual-core functionality must use SPC56EL60L5CBFQR, SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, SPC56EL60L5CBOSR, SPC56EL60L5CCOSR, SPC56EL60L5BBFQR, or SPC56EL60L5BBFQY.
Q: What is the impact of the narrower supply voltage range (3V to 3.63V) on substitute parts?
A: All STMicroelectronics SPC56xL substitutes operate within 3V to 3.63V, compared to the original part's 3V to 5.5V range. Applications designed for 5V operation require voltage regulation or alternative component selection. Applications operating within 3V to 3.63V are unaffected.
Q: Are the SPC564L70L5BBOSR and SPC564L70L5BBOSY parts suitable for applications designed for 1MB FLASH?
A: These parts feature 2MB FLASH and 192KB RAM, providing increased memory capacity. They are backward-compatible with applications designed for 1MB FLASH, as the additional memory does not interfere with existing code. However, applications must be evaluated to confirm that the increased memory does not introduce unintended functional changes.
Q: What is the difference between SPC564L70L5BBOSR and SPC564L70L5BBOSY?
A: Both parts are functionally identical with 2MB FLASH and 120MHz operation. The difference is packaging: SPC564L70L5BBOSR is supplied in Tape & Reel format, while SPC564L70L5BBOSY is supplied in Tray format. Selection depends on assembly process requirements and volume considerations.
Q: Do all substitute parts support FlexRay communication?
A: No. The original SPC5643LFF0MLQ8 supports FlexRay, but all STMicroelectronics SPC56xL substitutes do not include FlexRay. Applications requiring FlexRay functionality cannot use these substitutes and require alternative component selection.
Q: What is the temperature operating range difference between substitute parts?
A: Substitute parts are available in two temperature ranges: -40°C to 105°C (SPC564L60L5BCOQR, SPC564L70L5BBOSR, SPC564L70L5BBOSY, SPC56EL60L5BBFQR, SPC56EL60L5BBFQY) and -40°C to 125°C (SPC56EL60L5CBFQR, SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, SPC56EL60L5CBOSR, SPC56EL60L5CCOSR). Applications requiring operation above 105°C must use parts rated to 125°C.
Q: Are all substitute parts AEC-Q100 qualified?
A: Yes. All STMicroelectronics SPC56xL substitute parts carry AEC-Q100 automotive qualification, providing enhanced reliability and supply chain continuity for automotive and industrial applications.
Q: What is the significance of the e200z4d processor variant in substitute parts?
A: The e200z4d is an enhanced version of the e200z4 processor core, maintaining architectural compatibility while offering improved performance characteristics. Substitutes using e200z4d operate at 120MHz compared to the original part's 80MHz, providing performance headroom for existing applications.
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