Equivalent & Substitute Parts for R5F56604FDFB#10

Part Overview

The R5F56604FDFB#10 is a 32-bit RXv3 microcontroller from Renesas Electronics Corporation, part of the RX600 series. This embedded IC features 512KB FLASH memory, 128KB RAM, and 32KB EEPROM, operating at 120MHz with comprehensive connectivity options including CANbus, I2C, LINbus, SCI, and SPI interfaces. The device is housed in a 144-LQFP surface mount package and is ROHS3 compliant. As an active product with established supply availability, equivalent substitute parts exist within the RX600 family that maintain identical electrical and mechanical specifications, enabling flexible component sourcing for production and design requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	R5F56604FDFB#10
Manufacturer	Renesas Electronics Corporation
Series	RX600
Core Processor	RXv3
Core Size	32-Bit
Speed	120MHz
Program Memory Size	512KB (512K x 8)
Program Memory Type	FLASH
EEPROM Size	32K x 8
RAM Size	128K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V
Number of I/O	132
Package / Case	144-LQFP
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 R5F56604FDFB#10 are determined by strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following key parameters that must remain identical:

Core Electrical Parameters:

RXv3 core processor architecture
32-bit processing capability
120MHz clock speed
512KB FLASH memory capacity
128KB RAM capacity
32KB EEPROM capacity
2.7V to 5.5V supply voltage range
24-channel 12-bit A/D and 2-channel 12-bit D/A converters

Connectivity & Peripherals:

CANbus, EBI/EMI, I2C, LINbus, SCI, and SPI interfaces
DMA, LVD, POR, PWM, and WDT peripherals
132 I/O pins

Mechanical & Packaging Parameters:

144-LQFP (20x20mm) package format
Surface mount mounting type
Tray packaging configuration

Compliance Parameters:

ROHS3 compliance
Active product status

The identified substitute parts R5F56604FDFB#30 and R5F56604EDFB#30 maintain complete parameter equivalence with the main part number across all specified electrical, connectivity, peripheral, and mechanical characteristics. Differences in packaging designators (#10, #30) and moisture sensitivity level documentation do not affect functional or electrical compatibility.

Parameter Comparison

Parameter	R5F56604FDFB#10	R5F56604FDFB#30	R5F56604EDFB#30
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RX600	RX600	RX600
Core Processor	RXv3	RXv3	RXv3
Core Size	32-Bit	32-Bit	32-Bit
Speed	120MHz	120MHz	120MHz
Program Memory Size	512KB (512K x 8)	512KB (512K x 8)	512KB (512K x 8)
Program Memory Type	FLASH	FLASH	FLASH
EEPROM Size	32K x 8	32K x 8	32K x 8
RAM Size	128K x 8	128K x 8	128K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V
Number of I/O	132	132	132
Connectivity	CANbus, EBI/EMI, I2C, LINbus, SCI, SPI	CANbus, EBI/EMI, I2C, LINbus, SCI, SPI	CANbus, EBI/EMI, I2C, LINbus, SCI, SPI
Peripherals	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT
Data Converters	A/D 24x12b; D/A 2x12b	A/D 24x12b; D/A 2x12b	A/D 24x12b; D/A 2x12b
Oscillator Type	External, Internal	External, Internal	External, Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	144-LQFP	144-LQFP	144-LQFP
Supplier Device Package	144-LFQFP (20x20)	144-LFQFP (20x20)	144-LFQFP (20x20)
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 microcontroller part numbers—R5F56604FDFB#10, R5F56604FDFB#30, and R5F56604EDFB#30—are functionally equivalent for embedded system applications requiring RX600 series microcontrollers. Selection among these parts is based on availability and supply chain considerations rather than technical differentiation.

Product Status Compliance: All three parts maintain Active product status from Renesas Electronics Corporation, ensuring continued manufacturer support and supply availability.

Regulatory & Compliance Alignment: All substitute parts are ROHS3 compliant and carry identical ECCN (3A991A2) and HTSUS (8542.31.0001) classifications, meeting regulatory requirements for industrial and commercial applications.

Supply Availability:

R5F56604FDFB#10: 781 pieces in stock
R5F56604FDFB#30: 1224 pieces in stock
R5F56604EDFB#30: 951 pieces in stock

Selection should prioritize availability based on project timeline and volume requirements. The R5F56604FDFB#30 variant offers the highest current inventory level.

Moisture Sensitivity Consideration: R5F56604FDFB#30 and R5F56604EDFB#30 include documented Moisture Sensitivity Level (MSL) 3 (168 Hours) and REACH Unaffected status. These additional compliance parameters do not affect electrical or mechanical compatibility but provide enhanced documentation for supply chain management.

Frequently Asked Questions (FAQ)

Q: Can R5F56604FDFB#30 and R5F56604EDFB#30 be used interchangeably with R5F56604FDFB#10 in existing designs?

A: Yes. All three part numbers are electrically and mechanically equivalent. They share identical core processor architecture (RXv3), clock speed (120MHz), memory configuration (512KB FLASH, 128KB RAM, 32KB EEPROM), I/O count (132 pins), connectivity interfaces, and 144-LQFP package format. Direct substitution is supported without design modifications.

Q: What do the designators #10 and #30 represent in the part numbers?

A: The designators (#10, #30) indicate packaging or supply chain variants. These do not affect electrical performance or functional compatibility. They may reflect different packaging configurations, moisture barrier specifications, or supply chain sourcing from Renesas Electronics Corporation.

Q: Are there any differences in the 144-LQFP package dimensions between these parts?

A: No. All three parts use the identical 144-LFQFP (20x20mm) package format. PCB footprints, land patterns, and mechanical mounting requirements are identical across all substitute parts.

Q: Do all substitute parts support the same voltage supply range?

A: Yes. All three microcontrollers operate within the 2.7V to 5.5V supply voltage range, supporting identical power supply designs and circuit configurations.

Q: Are connectivity and peripheral features identical across all three parts?

A: Yes. All parts include CANbus, EBI/EMI, I2C, LINbus, SCI, and SPI connectivity, plus DMA, LVD, POR, PWM, and WDT peripherals. Data converter specifications (24-channel 12-bit A/D, 2-channel 12-bit D/A) are also identical.

Q: What is the significance of the MSL 3 (168 Hours) rating on R5F56604FDFB#30 and R5F56604EDFB#30?

A: Moisture Sensitivity Level 3 indicates the component can be exposed to moisture for up to 168 hours before soldering without degradation. This specification applies to storage and handling conditions and does not affect the electrical or mechanical performance of the microcontroller in operation.

Q: Which part should be selected for new production designs?

A: Selection should be based on current inventory availability and supply chain requirements. All three parts are functionally equivalent. R5F56604FDFB#30 currently offers the highest inventory level (1224 pieces), making it suitable for volume production. R5F56604EDFB#30 provides an alternative with documented MSL and REACH compliance information.

Q: Are there any temperature operating range differences between these parts?

A: No. All three microcontrollers operate across the identical temperature range of -40°C to 85°C (TA), supporting industrial and commercial temperature environments without variation.

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