Equivalent & Substitute Parts for R5F104GFDFB#10

Part Overview

The R5F104GFDFB#10 is a 16-bit embedded microcontroller from the Renesas Electronics RL78/G14 series, designed for industrial and consumer applications requiring moderate processing capability and integrated peripheral support. This device features 96KB of FLASH program memory, 12KB of RAM, and 8KB of EEPROM, operating at 32MHz with a supply voltage range of 1.6V to 5.5V. The microcontroller is housed in a 48-LFQFP surface mount package and maintains Active product status with full RoHS3 compliance. Substitute parts are identified to provide design flexibility, alternative packaging options, and inventory availability while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Series	RL78/G14
Core Processor	RL78
Core Size	16-Bit
Operating Speed	32MHz
Program Memory	96KB (96K x 8) FLASH
RAM Size	12K x 8
EEPROM Size	8K x 8
Supply Voltage Range	1.6V ~ 5.5V
I/O Count	34
Package Type	48-LFQFP (7x7)
Operating Temperature	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the R5F104GFDFB#10 are identified based on strict parametric equivalence within the RL78/G14 microcontroller family. The substitution criteria are defined by the following key parameters:

Electrical Equivalence Parameters:

Core processor architecture (RL78)
Core size (16-Bit)
Operating frequency (32MHz)
Program memory capacity (96KB FLASH)
RAM capacity (12K x 8)
EEPROM capacity (8K x 8)
Supply voltage range (1.6V ~ 5.5V)
I/O pin count (34)
Data converter specifications (A/D 10x8/10b; D/A 2x8b)
Peripheral set (DMA, LVD, POR, PWM, WDT)
Connectivity interfaces (CSI, I2C, LINbus, UART/USART)

Mechanical Equivalence Parameters:

Package type (48-LFQFP)
Package dimensions (7x7)
Mounting type (Surface Mount)
Operating temperature range (-40°C ~ 85°C)

Compliance Parameters:

RoHS3 compliance
Moisture Sensitivity Level (MSL 3)
REACH status (REACH Unaffected)

The identified substitute parts R5F104GFAFB#10 and R5F104GFAFB#30 maintain complete electrical and mechanical compatibility with the main part number. The primary difference between these parts is the packaging format (Tray packaging for substitutes versus unspecified packaging for the main part) and inventory availability. All three part numbers share the identical base product designation R5F104 and are functionally interchangeable within the same application circuit.

Parameter Comparison

Parameter	R5F104GFDFB#10	R5F104GFAFB#10	R5F104GFAFB#30
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RL78/G14	RL78/G14	RL78/G14
Core Processor	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit
Operating Speed	32MHz	32MHz	32MHz
Program Memory	96KB (96K x 8) FLASH	96KB (96K x 8) FLASH	96KB (96K x 8) FLASH
RAM Size	12K x 8	12K x 8	12K x 8
EEPROM Size	8K x 8	8K x 8	8K x 8
Supply Voltage Range	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V
I/O Count	34	34	34
Data Converters (A/D)	10x8/10b	10x8/10b	10x8/10b
Data Converters (D/A)	2x8b	2x8b	2x8b
Connectivity	CSI, I2C, LINbus, UART/USART	CSI, I2C, LINbus, UART/USART	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT
Package Type	48-LFQFP (7x7)	48-LFQFP (7x7)	48-LFQFP (7x7)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three part numbers—R5F104GFDFB#10, R5F104GFAFB#10, and R5F104GFAFB#30—are functionally equivalent and maintain Active product status with full regulatory compliance. Selection between these parts should be based on the following engineering considerations:

Inventory and Lead Time: The substitute parts R5F104GFAFB#10 (2589 units) and R5F104GFAFB#30 (1524 units) offer significantly higher inventory availability compared to the main part R5F104GFDFB#10 (702 units). For production schedules requiring immediate component availability, the substitute parts provide superior supply chain flexibility.

Packaging Format: The substitute parts are supplied in Tray packaging, which is standard for high-volume manufacturing and automated assembly processes. The main part packaging format is unspecified in the provided data. Tray packaging is compatible with standard pick-and-place equipment and tape-and-reel handling systems.

Regulatory Compliance: All three parts maintain identical RoHS3 compliance, REACH Unaffected status, and Moisture Sensitivity Level 3 ratings. No compliance trade-offs exist between the main part and substitutes.

Electrical and Mechanical Interchangeability: The complete parametric equivalence across all electrical specifications, peripheral configurations, and mechanical dimensions ensures direct substitution without circuit redesign or firmware modification.

Frequently Asked Questions (FAQ)

Q: Are R5F104GFAFB#10 and R5F104GFAFB#30 direct replacements for R5F104GFDFB#10?

A: Yes. All three part numbers are parametrically equivalent RL78/G14 microcontrollers with identical core processor architecture, memory configuration, operating frequency, I/O count, peripheral set, and package dimensions. They are electrically and mechanically interchangeable.

Q: What is the difference between the three part numbers?

A: The primary differences are packaging format and inventory availability. R5F104GFAFB#10 and R5F104GFAFB#30 are supplied in Tray packaging, while R5F104GFDFB#10 packaging format is unspecified. All three share the same base product number R5F104 and identical electrical specifications.

Q: Can I use R5F104GFAFB#10 or R5F104GFAFB#30 in an existing design specified for R5F104GFDFB#10?

A: Yes. The substitute parts maintain complete pin-for-pin compatibility, identical pinout configuration, and equivalent electrical characteristics. No circuit modifications are required.

Q: Are there any temperature or voltage operating range differences?

A: No. All three parts operate across the identical supply voltage range of 1.6V to 5.5V and the same temperature range of -40°C to 85°C.

Q: Do the substitute parts have the same memory configuration?

A: Yes. All three parts feature 96KB FLASH program memory, 12KB RAM, and 8KB EEPROM with identical memory organization (96K x 8, 12K x 8, and 8K x 8 respectively).

Q: Are the peripheral sets identical across all three part numbers?

A: Yes. All three parts include the same peripheral configuration: DMA, LVD, POR, PWM, and WDT. Connectivity interfaces (CSI, I2C, LINbus, UART/USART) and data converter specifications (A/D 10x8/10b; D/A 2x8b) are identical.

Q: What is the significance of the packaging designation in the part number?

A: The packaging designation indicates the delivery format. Tray packaging (used for R5F104GFAFB#10 and R5F104GFAFB#30) is optimized for automated assembly and high-volume production. The unspecified packaging for R5F104GFDFB#10 does not affect electrical performance or compatibility.

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

A: Yes. All three parts are RoHS3 compliant, REACH Unaffected, and carry identical Moisture Sensitivity Level 3 ratings with 168-hour exposure limits.

Q: Can I mix these part numbers within the same production batch?

A: Yes. Since all three parts are parametrically equivalent with identical electrical and mechanical specifications, they can be used interchangeably within the same application without affecting circuit performance or reliability.

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