R5F5671CDDFP#10 Equivalent & Substitute Parts

Part Overview

The R5F5671CDDFP#10 is a 32-bit single-core microcontroller from Renesas Electronics Corporation's RX671 series, featuring the RXv3 processor architecture. This embedded IC integrates 1.5MB of FLASH program memory, 384KB of RAM, and 8KB of EEPROM, operating at 120MHz with a supply voltage range of 2.7V to 3.6V. The device is housed in a 100-pin LQFP package (14x14mm) and includes integrated peripherals such as CANbus, I2C, LINbus, QSPI, SCI, SPI, and USB connectivity, along with capacitive touch sensing, DMA, and watchdog timer functionality. The R5F5671CDDFP#10 maintains Active product status and is ROHS3 compliant. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate packaging or inventory variations while maintaining full electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Series	RX671
Core Processor	RXv3
Core Size	32-Bit Single-Core
Operating Speed	120MHz
Program Memory (FLASH)	1.5MB (1.5M x 8)
EEPROM Size	8K x 8
RAM Size	384K x 8
Supply Voltage (Vcc/Vdd)	2.7V ~ 3.6V
I/O Count	80
Package Type	100-LQFP (14x14mm)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the R5F5671CDDFP#10 are determined by strict equivalence across the following critical parameters:

Core Electrical Specifications:

Identical processor architecture (RXv3 core)
Identical operating frequency (120MHz)
Identical memory configuration (1.5MB FLASH, 384KB RAM, 8KB EEPROM)
Identical supply voltage range (2.7V ~ 3.6V)
Identical peripheral set (CANbus, I2C, LINbus, QSPI, SCI, SPI, USB)
Identical I/O count (80 pins)
Identical data converter specifications (A/D 16x12b)

Mechanical & Packaging Specifications:

Identical package type (100-LQFP, 14x14mm)
Identical mounting type (Surface Mount)
Identical base product number (R5F5671)

Compliance & Status:

Active product status
ROHS3 compliance
Identical ECCN and HTSUS classifications

The identified substitute parts differ only in packaging tape reel configuration (suffix designations #30 vs #10) and moisture sensitivity level documentation, which do not affect electrical or mechanical compatibility. All substitute parts maintain identical functional specifications and are directly interchangeable at the circuit level.

Parameter Comparison

Parameter	R5F5671CDDFP#10	R5F5671CDDFP#30	R5F5671CHDFP#30
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RX671	RX671	RX671
Core Processor	RXv3	RXv3	RXv3
Core Size	32-Bit Single-Core	32-Bit Single-Core	32-Bit Single-Core
Operating Speed	120MHz	120MHz	120MHz
Program Memory (FLASH)	1.5MB (1.5M x 8)	1.5MB (1.5M x 8)	1.5MB (1.5M x 8)
EEPROM Size	8K x 8	8K x 8	8K x 8
RAM Size	384K x 8	384K x 8	384K x 8
Supply Voltage (Vcc/Vdd)	2.7V ~ 3.6V	2.7V ~ 3.6V	2.7V ~ 3.6V
I/O Count	80	80	80
Connectivity	CANbus, I2C, LINbus, QSPI, SCI, SPI, USB	CANbus, I2C, LINbus, QSPI, SCI, SPI, USB	CANbus, I2C, LINbus, QSPI, SCI, SPI, USB
Peripherals	Capacitive Touch, DMA, LVD, POR, PWM, WDT	Capacitive Touch, DMA, LVD, POR, PWM, WDT	Capacitive Touch, DMA, LVD, POR, PWM, WDT
Data Converters	A/D 16x12b	A/D 16x12b	A/D 16x12b
Oscillator Type	Internal	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package Type	100-LQFP (14x14mm)	100-LQFP (14x14mm)	100-LQFP (14x14mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
ECCN	3A991A2	3A991A2	3A991A2
HTSUS	8542.31.0001	8542.31.0001	8542.31.0001

Engineering Selection Recommendations

All three part numbers—R5F5671CDDFP#10, R5F5671CDDFP#30, and R5F5671CHDFP#30—are fully equivalent for circuit design and application implementation. Selection between these parts is based on supply chain and packaging considerations rather than electrical or functional differences.

R5F5671CDDFP#10 is suitable for applications where the specific tape reel configuration (#10) aligns with procurement and assembly processes.

R5F5671CDDFP#30 provides an alternative tape reel configuration (#30) with documented moisture sensitivity level (MSL 3, 168 Hours) and REACH compliance status, offering additional supply chain documentation.

R5F5671CHDFP#30 offers the highest current inventory availability (1,287 pieces) while maintaining identical electrical and mechanical specifications, making it the preferred choice for immediate procurement needs.

All parts maintain Active product status, ROHS3 compliance, and identical ECCN/HTSUS classifications, ensuring regulatory and export compliance consistency across design implementations.

Frequently Asked Questions (FAQ)

Q: Are R5F5671CDDFP#10, R5F5671CDDFP#30, and R5F5671CHDFP#30 electrically identical?

A: Yes. All three parts feature identical processor architecture (RXv3), operating frequency (120MHz), memory configuration (1.5MB FLASH, 384KB RAM, 8KB EEPROM), supply voltage range (2.7V ~ 3.6V), I/O count (80), peripheral set, and data converter specifications. They are fully interchangeable at the circuit level.

Q: What is the difference between the #10 and #30 suffix designations?

A: The suffix designations refer to tape reel packaging configurations used during component manufacturing and assembly. These designations do not affect electrical performance, functionality, or mechanical compatibility. Selection is based on procurement and assembly line requirements.

Q: Can I substitute R5F5671CHDFP#30 for R5F5671CDDFP#10 in an existing design?

A: Yes. Both parts are pin-compatible, functionally identical, and housed in the same 100-LQFP (14x14mm) package. No circuit modifications are required for substitution.

Q: Are all three parts ROHS3 compliant?

A: Yes. R5F5671CDDFP#10, R5F5671CDDFP#30, and R5F5671CHDFP#30 are all ROHS3 compliant and maintain identical ECCN (3A991A2) and HTSUS (8542.31.0001) classifications.

Q: What is the moisture sensitivity level (MSL) for R5F5671CDDFP#10?

A: The provided data specifies MSL 3 (168 Hours) for R5F5671CDDFP#30 and R5F5671CHDFP#30. MSL information for R5F5671CDDFP#10 is not included in the provided parameters.

Q: Which part number should I select for new designs?

A: All three part numbers are suitable for new designs. Selection should be based on current inventory availability, procurement lead times, and assembly process compatibility. R5F5671CHDFP#30 currently offers the highest inventory level (1,287 pieces).

Q: Do these parts require different PCB layouts or footprints?

A: No. All three parts use the 100-LQFP (14x14mm) surface mount package with identical pin assignments and mechanical dimensions. PCB layout and footprint are identical across all three part numbers.

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