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SPC5643LFF0MLQ1 Equivalent & Substitute Parts
Part Overview
The SPC5643LFF0MLQ1 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 120MHz with 1MB of FLASH program memory and 128KB of RAM, housed 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 SPC5643LFF0MLQ1 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this microcontroller architecture.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Core Processor | e200z4 |
| Core Size | 32-Bit Dual-Core |
| Speed | 120MHz |
| Program Memory Size | 1MB (1M x 8) |
| Program Memory Type | FLASH |
| RAM Size | 128K x 8 |
| Voltage Supply (Vcc/Vdd) | 3V ~ 5.5V |
| Data Converters | A/D 32x12b |
| Package / Case | 144-LQFP (20x20) |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the SPC5643LFF0MLQ1 are grouped based on strict electrical and mechanical compatibility criteria:
Primary Substitution Criteria:
- Identical package format: 144-LQFP (20x20)
- Matching processor architecture: e200z4 or e200z4d core
- Equivalent clock speed: 120MHz
- Matching program memory: 1MB FLASH
- Matching RAM capacity: 128KB
- Compatible voltage supply range
- Identical data converter specification: A/D 32x12b
- Surface-mount technology
Substitute Categories:
Category 1: Direct Electrical Equivalents (SPC56xL Series - Dual-Core) Parts SPC56EL60L5BBFQR, SPC56EL60L5BBFQY, SPC56EL60L5CBFQR, SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, SPC56EL60L5CBOSR, and SPC56EL60L5CBOSY maintain full electrical compatibility with the original part. These devices feature the e200z4d processor core, 120MHz operation, 1MB FLASH, and 128KB RAM in identical 144-LQFP packaging. All are manufactured by STMicroelectronics and carry active product status with AEC-Q100 automotive qualification.
Category 2: Manufacturer-Recommended Alternatives (SPC56xL Series - Single-Core) Parts SPC564L60L5BCOQR and SPC564L70L5BBOSR/BBOSY are manufacturer-recommended substitutes. These devices differ in core configuration (single-core versus dual-core) and memory capacity. SPC564L60L5BCOQR maintains 1MB FLASH with single-core architecture. SPC564L70L5BBOSR and SPC564L70L5BBOSY feature increased program memory (2MB FLASH) and expanded RAM (192KB), also with single-core configuration.
Parameter Comparison
| Parameter | SPC5643LFF0MLQ1 | SPC56EL60L5BBFQR | SPC56EL60L5BBFQY | SPC56EL60L5CBFQR | SPC56EL60L5CBFQY | SPC56EL60L5CBFSR | SPC56EL60L5CBOSR | SPC56EL60L5CBOSY | SPC564L60L5BCOQR | SPC564L70L5BBOSR | SPC564L70L5BBOSY |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core Processor | e200z4 | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d | e200z4d |
| Core Size | 32-Bit Dual-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 | 32-Bit Dual-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz |
| Program Memory Size | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 2MB (2M x 8) | 2MB (2M x 8) |
| RAM Size | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 192K x 8 | 192K x 8 |
| Voltage Supply (Vcc/Vdd) | 3V ~ 5.5V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V | 3V ~ 3.63V |
| Data Converters | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b | A/D 32x12b |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C |
| Package / Case | 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Grade | Not specified | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive |
| Qualification | Not specified | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) |
Engineering Selection Recommendations
For Direct Replacement (Dual-Core, 1MB FLASH, 128KB RAM):
The SPC56EL60L5 series parts (SPC56EL60L5BBFQR, SPC56EL60L5BBFQY, SPC56EL60L5CBFQR, SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, SPC56EL60L5CBOSR, SPC56EL60L5CBOSY) provide the closest functional equivalence to the SPC5643LFF0MLQ1. These devices maintain identical core architecture, clock speed, program memory, and RAM capacity in the same 144-LQFP package. All substitute parts carry active product status and AEC-Q100 automotive qualification, ensuring long-term supply availability and compliance with automotive standards.
Voltage Supply Consideration: The SPC56EL60L5 series operates at 3V to 3.63V, compared to the original part's 3V to 5.5V range. Applications requiring operation above 3.63V require design modification or alternative selection.
Temperature Range Consideration: Parts SPC56EL60L5CBFQR, SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, SPC56EL60L5CBOSR, and SPC56EL60L5CBOSY support the full -40°C to 125°C operating temperature range matching the original specification. Parts SPC56EL60L5BBFQR and SPC56EL60L5BBFQY are limited to -40°C to 105°C.
For Enhanced Memory Applications:
The SPC564L70L5BBOSR and SPC564L70L5BBOSY parts offer increased program memory (2MB FLASH) and expanded RAM (192KB) while maintaining 120MHz operation and identical packaging. These parts transition to single-core architecture and operate within -40°C to 105°C temperature range. These options are suitable for applications requiring additional memory capacity without dual-core functionality.
The SPC564L60L5BCOQR provides 1MB FLASH equivalent to the original part but with single-core architecture and -40°C to 105°C temperature range.
Compliance and Certification: All substitute parts maintain ROHS3 compliance, MSL-3 moisture sensitivity rating, and identical ECCN and HTSUS classifications as the original part.
Frequently Asked Questions (FAQ)
Q: Can the SPC56EL60L5 series parts directly replace the SPC5643LFF0MLQ1 without firmware modification?
A: The SPC56EL60L5 series maintains identical core processor architecture (e200z4d), clock speed (120MHz), program memory (1MB FLASH), and RAM (128KB) in the same 144-LQFP package. Firmware compatibility depends on application-specific peripheral usage and voltage supply requirements. The reduced voltage supply range (3V to 3.63V versus 3V to 5.5V) requires verification for applications operating above 3.63V.
Q: What is the difference between dual-core and single-core variants?
A: The SPC5643LFF0MLQ1 and SPC56EL60L5 series feature dual-core e200z4/e200z4d processors, enabling parallel task execution. The SPC564L60L5BCOQR and SPC564L70L5 series feature single-core architecture. Single-core variants are suitable for applications not requiring parallel processing capabilities.
Q: Are the SPC564L70L5BBOSR and SPC564L70L5BBOSY parts suitable replacements?
A: These parts provide increased program memory (2MB FLASH) and expanded RAM (192KB) compared to the original 1MB FLASH and 128KB RAM specification. They feature single-core architecture and operate within -40°C to 105°C temperature range. These parts are suitable for applications requiring additional memory capacity but not requiring dual-core functionality or extended temperature operation to 125°C.
Q: What packaging options are available for substitute parts?
A: Substitute parts are available in Tape & Reel (TR) and Tray packaging formats. All maintain identical 144-LQFP (20x20) surface-mount package geometry. Packaging selection depends on production volume and assembly process requirements.
Q: How does the operating temperature range affect part selection?
A: The SPC5643LFF0MLQ1 operates from -40°C to 125°C. Substitute parts SPC56EL60L5CBFQR, SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, SPC56EL60L5CBOSR, and SPC56EL60L5CBOSY maintain this full temperature range. Parts SPC56EL60L5BBFQR, SPC56EL60L5BBFQY, SPC564L60L5BCOQR, SPC564L70L5BBOSR, and SPC564L70L5BBOSY are limited to -40°C to 105°C. Applications requiring operation above 105°C must select parts supporting the extended temperature range.
Q: What is the significance of AEC-Q100 qualification on substitute parts?
A: AEC-Q100 qualification indicates automotive-grade reliability and quality standards compliance. All substitute parts carry this certification, ensuring suitability for automotive and industrial applications requiring stringent reliability requirements.
Q: Are there connectivity differences between the original part and substitutes?
A: All parts support CANbus, LINbus, SPI, and UART/USART connectivity. The original SPC5643LFF0MLQ1 includes FlexRay support, while SPC56xL series substitutes feature SCI (Serial Communication Interface) instead. Applications requiring FlexRay functionality require alternative part selection or design modification.
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