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SPC5643LF0MLQ1R Equivalent & Substitute Parts
Part Overview
The SPC5643LF0MLQ1R 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 memory and 128KB of RAM in a 144-LQFP surface-mount package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Core Processor | e200z4 |
| Core Architecture | 32-Bit Dual-Core |
| Operating Frequency | 120MHz |
| Program Memory | 1MB FLASH (1M x 8) |
| RAM | 128K x 8 |
| Supply Voltage | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Package | 144-LQFP (20x20) |
| Connectivity | CANbus, FlexRay, LINbus, SPI, UART/USART |
| Data Converters | A/D 32x12b |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following critical parameters:
Core Compatibility Parameters:
- Processor core type (e200z4 or e200z4d variants)
- Core architecture (32-bit dual-core or single-core)
- Operating frequency (120MHz)
- Package type (144-LQFP 20x20)
- Program memory size (1MB or 2MB FLASH)
- RAM capacity (128KB or 192KB)
Electrical Compatibility Parameters:
- Supply voltage range (must support operational requirements)
- Operating temperature range (-40°C ~ 125°C preferred for industrial applications)
- Data converter specifications (A/D 32x12b)
Compliance & Qualification:
- RoHS3 compliance
- Automotive grade and AEC-Q100 qualification (where applicable)
- MSL rating (3, 168 Hours)
Substitute parts from STMicroelectronics SPC56xL series maintain functional equivalence through matching core processor variants, identical package geometry, and compatible memory configurations. Single-core variants (SPC564L series) represent functional alternatives where dual-core capability is not required.
Parameter Comparison
| Part Number | Manufacturer | Core Processor | Core Type | Speed (MHz) | FLASH (MB) | RAM (KB) | Vcc Range | Temp Range (°C) | Package | Status | Grade |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SPC5643LF0MLQ1R | NXP USA Inc. | e200z4 | Dual-Core | 120 | 1 | 128 | 3.0 ~ 5.5V | -40 ~ 125 | 144-LQFP | Obsolete | Industrial |
| SPC56EL60L5BBFQR | STMicroelectronics | e200z4d | Dual-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 105 | 144-LQFP | Active | Automotive |
| SPC56EL60L5BBFQY | STMicroelectronics | e200z4d | Dual-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 105 | 144-LQFP | Active | Automotive |
| SPC56EL60L5CBFQY | STMicroelectronics | e200z4d | Dual-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 125 | 144-LQFP | Active | Automotive |
| SPC56EL60L5CBFSR | STMicroelectronics | e200z4d | Dual-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 125 | 144-LQFP | Active | Automotive |
| SPC56EL60L5CBOSR | STMicroelectronics | e200z4d | Dual-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 125 | 144-LQFP | Active | Automotive |
| SPC56EL60L5CBOSY | STMicroelectronics | e200z4d | Dual-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 125 | 144-LQFP | Active | Automotive |
| SPC56EL60L5CCOSR | STMicroelectronics | e200z4d | Dual-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 125 | 144-LQFP | Active | Automotive |
| SPC564L60L5BCOQR | STMicroelectronics | e200z4d | Single-Core | 120 | 1 | 128 | 3.0 ~ 3.63V | -40 ~ 105 | 144-LQFP | Active | Automotive |
| SPC564L70L5BBOSR | STMicroelectronics | e200z4d | Single-Core | 120 | 2 | 192 | 3.0 ~ 3.63V | -40 ~ 105 | 144-LQFP | Active | Automotive |
| SPC564L70L5BBOSY | STMicroelectronics | e200z4d | Single-Core | 120 | 2 | 192 | 3.0 ~ 3.63V | -40 ~ 105 | 144-LQFP | Active | Automotive |
Engineering Selection Recommendations
Direct Substitutes (Dual-Core, 1MB FLASH):
The SPC56EL60L5 series from STMicroelectronics provides the closest functional equivalence to the SPC5643LF0MLQ1R. These parts maintain identical core processor architecture (e200z4d), operating frequency (120MHz), memory configuration (1MB FLASH, 128KB RAM), and package geometry (144-LQFP 20x20). All substitute parts are active products with AEC-Q100 automotive qualification and ROHS3 compliance.
Selection among SPC56EL60L5 variants depends on operating temperature and packaging requirements:
- SPC56EL60L5CBFQY and SPC56EL60L5CBFSR support the full -40°C ~ 125°C temperature range, matching the original part specification
- SPC56EL60L5CCOSR is recommended for Tape & Reel packaging applications
- SPC56EL60L5BBFQR and SPC56EL60L5BBFQY are limited to -40°C ~ 105°C
Alternative Substitutes (Single-Core, 1MB FLASH):
The SPC564L60L5BCOQR provides functional substitution where dual-core capability is not required. This part maintains 1MB FLASH and 128KB RAM but operates as a single-core processor. Operating temperature is limited to -40°C ~ 105°C.
Extended Memory Alternatives (Single-Core, 2MB FLASH):
The SPC564L70L5 series offers increased program memory (2MB FLASH) and RAM (192KB) in single-core configuration. These parts are suitable for applications requiring expanded memory capacity. Operating temperature is limited to -40°C ~ 105°C.
Voltage Supply Consideration:
The original SPC5643LF0MLQ1R supports 3V ~ 5.5V supply range. All STMicroelectronics substitutes operate within 3V ~ 3.63V range. Design verification is required to confirm compatibility with existing power supply architecture.
Frequently Asked Questions (FAQ)
Q: Can SPC56EL60L5 series parts directly replace the SPC5643LF0MLQ1R?
A: Yes, for applications operating within -40°C ~ 105°C. For applications requiring the full -40°C ~ 125°C temperature range, select SPC56EL60L5CBFQY, SPC56EL60L5CBFSR, or SPC56EL60L5CBOSY. All maintain identical core processor, frequency, memory configuration, and package footprint.
Q: What is the difference between dual-core and single-core variants?
A: The SPC56EL60L5 series provides dual-core e200z4d processors, maintaining functional parity with the original SPC5643LF0MLQ1R. The SPC564L60L5 series offers single-core variants where dual-core capability is not required. Both support identical memory and connectivity specifications.
Q: Are there memory differences between substitute options?
A: Most direct substitutes maintain 1MB FLASH and 128KB RAM. The SPC564L70L5 series provides 2MB FLASH and 192KB RAM for applications requiring expanded memory capacity. Verify firmware compatibility when selecting higher-memory variants.
Q: What packaging options are available?
A: Substitutes are available in standard tube packaging, Tape & Reel (TR), and Tray configurations. Packaging designation is indicated in the part number suffix (QR for tube, SR for Tape & Reel, SY for Tray).
Q: Are all substitute parts automotive qualified?
A: Yes. All STMicroelectronics SPC56xL series substitutes carry AEC-Q100 automotive qualification and are classified as automotive-grade components.
Q: What is the supply voltage compatibility concern?
A: The original part supports 3V ~ 5.5V. All STMicroelectronics substitutes operate within 3V ~ 3.63V. Designs operating above 3.63V require voltage regulation or alternative solutions.
Q: Are substitute parts RoHS compliant?
A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating of 3 (168 Hours), matching the original part specification.
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