R5F5631MCDFM#10 Equivalent & Substitute Parts

Part Overview

The R5F5631MCDFM#10 is a 32-bit single-core microcontroller from Renesas Electronics Corporation's RX631 series, designed for embedded applications requiring moderate processing capability and integrated connectivity. This device features 256KB of FLASH program memory, 64KB of RAM, and 32KB of EEPROM, operating at 100MHz with a supply voltage range of 2.7V to 3.6V. The microcontroller integrates multiple communication interfaces including CANbus, I2C, LINbus, SCI, SPI, and USB, along with essential peripherals such as DMA, PWM, watchdog timer, and analog-to-digital conversion capabilities.

The R5F5631MCDFM#10 carries a product status designation of "Not For New Designs," indicating that Renesas has discontinued active development and support for this series. This status necessitates identification of equivalent substitute components for applications requiring continued supply or design migration. The part is ROHS3 compliant and carries REACH unaffected status, meeting current environmental and regulatory requirements.

Substiute Parts

R5F5631MCDFM#10

Renesas Electronics CorporationIn Stock: 1111R5F5631MCDFM#10 Datasheet

Current PartRFQ

R5F5631MDDFM#10

Renesas Electronics CorporationIn Stock: 1376R5F5631MDDFM#10 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the R5F5631MCDFM#10 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part R5F5631MDDFM#10 qualifies as a parametric equivalent based on the following criteria:

Core Processor Architecture: Both parts utilize the identical RX core processor architecture operating at 100MHz, ensuring binary code compatibility and identical instruction set execution.

Memory Configuration: Both devices feature identical memory specifications: 256KB FLASH program memory, 64KB RAM, and 32KB EEPROM. This equivalence ensures that firmware compiled for one device executes identically on the substitute without modification.

Electrical Specifications: Both parts operate within the identical supply voltage range of 2.7V to 3.6V and share identical operating temperature specifications of -40°C to 85°C (TA).

Connectivity and Peripherals: Both devices integrate the complete set of communication interfaces (CANbus, I2C, LINbus, SCI, SPI, USB) and peripheral functions (DMA, LVD, POR, PWM, WDT) with identical configurations.

Package and Pinout: Both parts utilize the 64-LFQFP (10x10) package with 42 I/O pins, ensuring mechanical and electrical pin compatibility for direct board-level substitution.

Compliance and Regulatory Status: Both parts maintain ROHS3 compliance and REACH unaffected status, with identical moisture sensitivity level (MSL 3, 168 Hours).

The distinction between these parts lies in the manufacturing date code suffix (MC versus MD), which reflects different production batches from Renesas Electronics Corporation. This difference does not affect functional equivalence or electrical performance.

Parameter Comparison

Engineering Selection Recommendations

The R5F5631MDDFM#10 serves as a direct parametric equivalent to the R5F5631MCDFM#10 for applications requiring component substitution. Both parts maintain identical electrical specifications, memory configurations, and peripheral integration, enabling direct replacement without firmware modification or circuit redesign.

Both devices carry the "Not For New Designs" product status from Renesas Electronics Corporation. This designation indicates that the RX631 series has reached end-of-life status and is no longer recommended for new product development. For applications currently utilizing the R5F5631MCDFM#10, the R5F5631MDDFM#10 provides continued supply availability while maintaining full functional equivalence.

Compliance certifications are identical across both parts: ROHS3 compliance and REACH unaffected status ensure that substitution does not introduce regulatory or environmental concerns. The identical moisture sensitivity level (MSL 3, 168 Hours) ensures that handling, storage, and assembly processes remain unchanged.

For long-term product sustainability, evaluation of alternative microcontroller platforms from Renesas Electronics Corporation's current product lines is recommended to ensure continued availability beyond the end-of-life period of the RX631 series.

Frequently Asked Questions (FAQ)

Q: Can the R5F5631MDDFM#10 be used as a direct replacement for the R5F5631MCDFM#10 without firmware changes?

A: Yes. Both parts feature identical processor architecture, memory configuration, and peripheral integration. Firmware compiled for the R5F5631MCDFM#10 executes without modification on the R5F5631MDDFM#10.

Q: Are the pinouts identical between these two parts?

A: Yes. Both devices utilize the 64-LFQFP (10x10) package with 42 I/O pins in identical pin configurations. Direct board-level substitution is possible without PCB modification.

Q: What is the difference between the MC and MD designations in the part numbers?

A: The MC and MD designations represent different manufacturing date codes assigned by Renesas Electronics Corporation. These designations do not affect electrical performance, functionality, or compatibility.

Q: Do both parts require identical handling and storage procedures?

A: Yes. Both parts carry identical moisture sensitivity level (MSL 3, 168 Hours) specifications, requiring identical handling, storage, and assembly procedures.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both parts maintain identical ROHS3 compliance and REACH unaffected status. Substitution does not introduce regulatory or environmental concerns.

Q: What is the significance of the "Not For New Designs" product status?

A: This designation indicates that Renesas Electronics Corporation has discontinued active development and support for the RX631 series. While existing inventory remains available for current applications, these parts are not recommended for new product development initiatives.

Q: Can these parts be used interchangeably in existing production?

A: Yes. The R5F5631MDDFM#10 provides full functional equivalence to the R5F5631MCDFM#10 and can be used interchangeably in production environments without design changes or firmware updates.

Q: What supply voltage range do both parts support?

A: Both parts operate within the identical supply voltage range of 2.7V to 3.6V, ensuring compatibility with existing power supply designs.

Q: Are the operating temperature ranges identical?

A: Yes. Both parts operate across the identical temperature range of -40°C to 85°C (TA), ensuring compatibility with existing thermal management designs.

Q: What connectivity interfaces are available on both parts?

A: Both parts integrate CANbus, I2C, LINbus, SCI, SPI, and USB interfaces with identical configurations and capabilities.