R5F5651CDDFM#10 Equivalent & Substitute Parts

Part Overview

The R5F5651CDDFM#10 is a 32-bit single-core microcontroller from Renesas Electronics Corporation belonging to the RX651 series. This embedded IC features the RXv2 core architecture operating at 120MHz with 1.5MB of FLASH program memory, 640KB of RAM, and 32KB of EEPROM. The device integrates multiple connectivity interfaces including I2C, LINbus, MMC/SD, QSPI, SCI, SPI, UART/USART, and USB, along with essential peripherals such as DMA, LVD, POR, PWM, and WDT. Packaged in a 64-LFQFP (10x10) surface mount configuration with 42 I/O pins, this microcontroller is designed for embedded applications requiring robust processing capabilities and extensive peripheral integration. The part maintains Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications, memory configurations, core architecture, and package compatibility to ensure direct functional interchangeability in system designs.

Substiute Parts

R5F5651CDDFM#10

Renesas Electronics CorporationIn Stock: 703R5F5651CDDFM#10 Datasheet

Current PartRFQ

R5F5651CDDFM#30

Renesas Electronics CorporationIn Stock: 1221R5F5651CDDFM#30 Datasheet

Parametric EquivalentRFQ

R5F5651CHDFM#30

Renesas Electronics CorporationIn Stock: 1221R5F5651CHDFM#30 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the R5F5651CDDFM#10 are identified through parametric equivalence analysis. The substitution logic is based on the following critical parameters that determine functional interchangeability:

Core Architecture & Performance: All substitute parts maintain the identical RXv2 core processor architecture, 32-bit single-core configuration, and 120MHz operating frequency. These parameters ensure instruction set compatibility and performance parity.

Memory Configuration: Substitute parts retain the exact same memory hierarchy: 1.5MB FLASH program memory, 640KB RAM, and 32KB EEPROM. This ensures software compatibility and eliminates the need for firmware modifications.

Electrical Specifications: All substitute parts operate within the identical voltage supply range of 2.7V to 3.6V and maintain the same data converter specifications (A/D 10x12b; D/A 1x12b).

Connectivity & Peripherals: Substitute parts include the complete set of connectivity interfaces (I2C, LINbus, MMC/SD, QSPI, SCI, SPI, UART/USART, USB) and peripheral functions (DMA, LVD, POR, PWM, WDT), ensuring system-level compatibility.

Package & Pinout: All substitute parts use the identical 64-LFQFP (10x10) surface mount package with 42 I/O pins, guaranteeing PCB layout and mechanical compatibility.

Environmental & Compliance: Substitute parts maintain the same operating temperature range (-40°C to 85°C), ROHS3 compliance status, and MSL rating (3, 168 Hours).

The differences between the main part and substitutes are limited to packaging tape reel specifications (indicated by the suffix designations #10 and #30), which do not affect electrical or functional performance.

Parameter Comparison

Engineering Selection Recommendations

All three parts—R5F5651CDDFM#10, R5F5651CDDFM#30, and R5F5651CHDFM#30—are functionally equivalent microcontroller units from Renesas Electronics Corporation with Active product status. Each part maintains full compliance with ROHS3 environmental standards and carries identical electrical, memory, and peripheral specifications.

Selection between these parts is determined by packaging and supply chain requirements rather than functional performance. The suffix designations (#10 and #30) indicate different tape reel packaging configurations used for automated assembly processes. The R5F5651CDDFM#10 is supplied in 10-unit tape reels, while both R5F5651CDDFM#30 and R5F5651CHDFM#30 are supplied in 30-unit tape reels.

For production environments utilizing standard pick-and-place assembly equipment, the 30-unit reel configurations (R5F5651CDDFM#30 and R5F5651CHDFM#30) offer improved supply efficiency and reduced handling overhead. The 10-unit reel configuration (R5F5651CDDFM#10) is suitable for lower-volume production runs or prototyping applications where smaller quantity increments are preferred.

All parts are suitable for applications requiring 32-bit embedded processing with extensive connectivity options and are appropriate for industrial, automotive, and consumer electronics implementations within the specified operating temperature range of -40°C to 85°C.

Frequently Asked Questions (FAQ)

Q: Are the R5F5651CDDFM#10, R5F5651CDDFM#30, and R5F5651CHDFM#30 electrically identical?

A: Yes. All three parts are electrically and functionally identical. They share the same RXv2 core processor, 120MHz clock speed, 1.5MB FLASH memory, 640KB RAM, 32KB EEPROM, voltage specifications (2.7V to 3.6V), data converters, I/O count (42 pins), connectivity interfaces, and peripheral functions. The only difference is the tape reel packaging configuration.

Q: What does the suffix designation (#10 or #30) indicate?

A: The suffix designates the tape reel quantity for automated assembly. The #10 suffix indicates 10-unit tape reels, while the #30 suffix indicates 30-unit tape reels. This affects supply chain logistics and assembly line compatibility but does not impact electrical performance or functionality.

Q: Can I substitute R5F5651CDDFM#10 with R5F5651CDDFM#30 or R5F5651CHDFM#30 on a PCB?

A: Yes. All three parts use the identical 64-LFQFP (10x10) surface mount package with 42 I/O pins and matching pinout. They are directly interchangeable at the PCB level without requiring layout modifications or firmware changes.

Q: Are there any firmware or software compatibility differences between these parts?

A: No. All three parts implement the identical RXv2 instruction set architecture and memory configuration. Firmware compiled for one part executes identically on the others without modification.

Q: What is the operating temperature range for all three parts?

A: All three parts operate within the identical temperature range of -40°C to 85°C (TA). They are suitable for industrial and automotive applications requiring extended temperature performance.

Q: Do all three parts meet the same compliance standards?

A: Yes. All three parts are ROHS3 compliant and carry identical REACH and ECCN classifications. They meet the same environmental and regulatory requirements for deployment in regulated industries.

Q: Which part should I select for high-volume production?

A: For high-volume production utilizing automated pick-and-place assembly, the 30-unit reel configurations (R5F5651CDDFM#30 or R5F5651CHDFM#30) are recommended to optimize supply chain efficiency and reduce tape handling overhead.

Q: Which part should I select for prototyping or low-volume applications?

A: The R5F5651CDDFM#10 with 10-unit tape reels is suitable for prototyping and low-volume production where smaller quantity increments reduce material waste and inventory requirements.

Q: Are there any differences in data converter specifications?

A: No. All three parts include identical analog-to-digital converter specifications (10 channels, 12-bit resolution) and digital-to-analog converter specifications (1 channel, 12-bit resolution).

Q: Do all parts support the same connectivity interfaces?

A: Yes. All three parts support the complete set of connectivity interfaces: I2C, LINbus, MMC/SD, QSPI, SCI, SPI, UART/USART, and USB. System designs utilizing any of these interfaces are compatible across all three part numbers.