R5F100MFDFA#V0 Equivalent & Substitute Parts

Part Overview

The R5F100MFDFA#V0 is a 16-bit RL78/G13 microcontroller manufactured by Renesas Electronics Corporation, featuring 96KB FLASH memory, 8KB EEPROM, and 8KB RAM in an 80-LQFP (14x14) package. This part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing system support and new design implementations.

Substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support legacy system maintenance where the original part number is no longer in production.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Series	RL78/G13
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	96KB (96K x 8)
Program Memory Type	FLASH
EEPROM Size	8K x 8
RAM Size	8K x 8
Number of I/O	64
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Data Converters	A/D 17x8/10b
Connectivity	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	80-LQFP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the R5F100MFDFA#V0 is determined by strict equivalence across the following critical parameters:

Microcontroller Series & Core: RL78/G13 architecture with RL78 core processor
Memory Configuration: 96KB FLASH, 8KB EEPROM, 8KB RAM
Electrical Specifications: 16-bit core, 32MHz operation, 1.6V ~ 5.5V supply range
Functional Peripherals: CSI, I2C, LINbus, UART/USART connectivity; DMA, LVD, POR, PWM, WDT peripherals
I/O Count: 64 I/O pins
Environmental Compliance: ROHS3 compliance, MSL 3 rating, REACH unaffected status

Substitute parts are grouped into two categories:

Direct Manufacturer Equivalents (R5F100MFDFA#30): Identical specifications with different packaging designation, active product status
Parametric Equivalents (R5F100MFAFA and R5F100MFAFB series): Functionally equivalent across all electrical and memory parameters; differences exist only in package form factor (80-LQFP 14x14 vs. 80-LFQFP 12x12) and packaging type (Tray vs. unspecified)

Parameter Comparison

Part Number	Series	Core Size	Speed	FLASH	EEPROM	RAM	I/O	Package	Product Status	Inventory
R5F100MFDFA#V0	RL78/G13	16-Bit	32MHz	96KB	8K x 8	8K x 8	64	80-LQFP (14x14)	Obsolete	752 Pcs
R5F100MFDFA#30	RL78/G13	16-Bit	32MHz	96KB	8K x 8	8K x 8	64	80-LQFP (14x14)	Active	689 Pcs
R5F100MFAFA#10	RL78/G13	16-Bit	32MHz	96KB	8K x 8	8K x 8	64	80-LQFP (14x14)	Active	1618 Pcs
R5F100MFAFA#30	RL78/G13	16-Bit	32MHz	96KB	8K x 8	8K x 8	64	80-LQFP (14x14)	Active	1617 Pcs
R5F100MFAFB#10	RL78/G13	16-Bit	32MHz	96KB	8K x 8	8K x 8	64	80-LFQFP (12x12)	Active	2076 Pcs
R5F100MFAFB#30	RL78/G13	16-Bit	32MHz	96KB	8K x 8	8K x 8	64	80-LFQFP (12x12)	Active	1968 Pcs
R5F100MFDFB#30	RL78/G13	16-Bit	32MHz	96KB	8K x 8	8K x 8	64	80-LFQFP (12x12)	Active	914 Pcs

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility)

R5F100MFDFA#30 and R5F100MFAFA series (part numbers ending in #10 or #30) are direct parametric equivalents with identical electrical specifications and pin configurations. These parts maintain active product status with Renesas Electronics Corporation, ensuring long-term availability and support. Selection between these options depends on packaging requirements and inventory availability.

Secondary Substitutes (Package Form Factor Consideration)

R5F100MFAFB and R5F100MFDFB series employ the 80-LFQFP (12x12) package form factor instead of the 80-LQFP (14x14) package of the original part. All electrical parameters, memory configuration, and functional capabilities remain identical. PCB layout modifications are required to accommodate the different package footprint. These parts carry active product status and represent higher inventory availability.

Compliance & Certification

All substitute parts maintain ROHS3 compliance, MSL 3 rating, and REACH unaffected status, matching the environmental and regulatory requirements of the original part.

Frequently Asked Questions (FAQ)

Q: Can R5F100MFAFA#10 and R5F100MFAFA#30 be used interchangeably with R5F100MFDFA#V0?

A: Yes. Both parts are parametric equivalents with identical core specifications, memory configuration, I/O count, and electrical operating range. The suffix designations (#10 and #30) indicate packaging type differences only and do not affect functional compatibility. Both are active products with higher inventory availability than the obsolete original part.

Q: What is the difference between 80-LQFP (14x14) and 80-LFQFP (12x12) packages?

A: Both packages contain 80 pins with identical pin assignments and electrical specifications. The primary difference is physical footprint size: LQFP (14x14mm) versus LFQFP (12x12mm). Selection depends on PCB layout constraints. LFQFP variants offer a smaller footprint, while LQFP variants match the original part's physical dimensions. Pin-to-pin electrical compatibility is maintained across both package types.

Q: Why is the original part R5F100MFDFA#V0 marked as obsolete?

A: Obsolete status indicates the part is no longer manufactured by Renesas Electronics Corporation. Active equivalent parts (R5F100MFDFA#30, R5F100MFAFA series, R5F100MFAFB series, R5F100MFDFB#30) provide identical functionality with ongoing manufacturer support and supply chain availability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, MSL 3 rating, and REACH unaffected status, matching the environmental and regulatory requirements of the original R5F100MFDFA#V0.

Q: Which substitute part offers the best inventory availability?

A: R5F100MFAFB#10 provides the highest current inventory (2076 Pcs), followed by R5F100MFAFB#30 (1968 Pcs) and R5F100MFAFA#10 (1618 Pcs). All three are active products with substantial stock levels suitable for production requirements.

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