R5F100MFGFB#10 Equivalent & Substitute Parts

Part Overview

The R5F100MFGFB#10 is a 16-bit embedded microcontroller from Renesas Electronics Corporation, part of the RL78/G13 series. This device integrates a 32MHz RL78 core processor with 96KB FLASH program memory, 8KB EEPROM, and 8KB RAM in a 80-LFQFP (12x12) surface mount package. The microcontroller features integrated connectivity options including CSI, I2C, LINbus, and UART/USART, along with peripheral functions such as DMA, LVD, POR, PWM, and WDT. The device operates across a supply voltage range of 2.4V to 5.5V and supports an operating temperature range of -40°C to 105°C. With active product status and ROHS3 compliance, the R5F100MFGFB#10 serves industrial and embedded applications requiring reliable microcontroller functionality. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support alternative packaging configurations while maintaining electrical and functional compatibility.

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
Connectivity	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT
Data Converters	A/D 17x8/10b
Voltage - Supply (Vcc/Vdd)	2.4V ~ 5.5V
Operating Temperature	-40°C ~ 105°C (TA)
Oscillator Type	Internal
Mounting Type	Surface Mount
Package / Case	80-LQFP
Supplier Device Package	80-LFQFP (12x12)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the R5F100MFGFB#10 are identified based on electrical and functional equivalence within the RL78/G13 microcontroller family. All substitute parts maintain identical core specifications including the 16-bit RL78 processor, 32MHz operating frequency, 96KB FLASH program memory, 8KB EEPROM, 8KB RAM, 64 I/O pins, and identical connectivity and peripheral feature sets. All parts operate within the same supply voltage range (2.4V to 5.5V) and temperature range (-40°C to 105°C).

The substitution logic is based on the following key parameters that determine functional compatibility:

Core Processor: RL78 (identical across all parts)
Core Size: 16-Bit (identical across all parts)
Speed: 32MHz (identical across all parts)
Program Memory: 96KB FLASH (identical across all parts)
EEPROM: 8K x 8 (identical across all parts)
RAM: 8K x 8 (identical across all parts)
I/O Count: 64 pins (identical across all parts)
Connectivity: CSI, I2C, LINbus, UART/USART (identical across all parts)
Peripherals: DMA, LVD, POR, PWM, WDT (identical across all parts)
Data Converters: A/D 17x8/10b (identical across all parts)
Supply Voltage: 2.4V ~ 5.5V (identical across all parts)
Operating Temperature: -40°C ~ 105°C (identical across all parts)

Differences between the main part and substitutes are limited to packaging configuration and tape reel specifications, which do not affect electrical functionality or performance characteristics.

Parameter Comparison

Parameter	R5F100MFGFB#10	R5F100MFGFA#10	R5F100MFGFA#30	R5F100MFGFB#30
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RL78/G13	RL78/G13	RL78/G13	RL78/G13
Core Processor	RL78	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit	16-Bit
Speed	32MHz	32MHz	32MHz	32MHz
Program Memory Size	96KB (96K x 8)	96KB (96K x 8)	96KB (96K x 8)	96KB (96K x 8)
Program Memory Type	FLASH	FLASH	FLASH	FLASH
EEPROM Size	8K x 8	8K x 8	8K x 8	8K x 8
RAM Size	8K x 8	8K x 8	8K x 8	8K x 8
Number of I/O	64	64	64	64
Connectivity	CSI, I2C, LINbus, UART/USART	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	DMA, LVD, POR, PWM, WDT
Data Converters	A/D 17x8/10b	A/D 17x8/10b	A/D 17x8/10b	A/D 17x8/10b
Voltage - Supply (Vcc/Vdd)	2.4V ~ 5.5V	2.4V ~ 5.5V	2.4V ~ 5.5V	2.4V ~ 5.5V
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)
Oscillator Type	Internal	Internal	Internal	Internal
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	80-LFQFP (12x12)	80-LQFP (14x14)	80-LQFP (14x14)	80-LFQFP (12x12)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All identified substitute parts for the R5F100MFGFB#10 maintain full electrical and functional equivalence within the RL78/G13 microcontroller family. Selection among these parts is determined by packaging and supply chain requirements rather than performance characteristics.

R5F100MFGFB#10 (Primary Part): 80-LFQFP (12x12) package configuration. Suitable for applications requiring compact form factor with 12x12mm footprint. Active product status with ROHS3 compliance and REACH unaffected certification.

R5F100MFGFA#10: 80-LQFP (14x14) package configuration. Functionally equivalent with larger 14x14mm footprint. Active product status with ROHS3 compliance and REACH unaffected certification. Higher inventory availability (1616 units).

R5F100MFGFA#30: 80-LQFP (14x14) package configuration with alternative tape reel specification. Functionally equivalent with 14x14mm footprint. Active product status with ROHS3 compliance and REACH unaffected certification. Inventory availability of 1410 units.

R5F100MFGFB#30: 80-LFQFP (12x12) package configuration with alternative tape reel specification. Functionally equivalent with compact 12x12mm footprint matching the primary part. Active product status with ROHS3 compliance and REACH unaffected certification. Highest inventory availability (1629 units).

All parts carry identical regulatory compliance certifications and are suitable for direct substitution based on PCB layout requirements and packaging constraints.

Frequently Asked Questions (FAQ)

Q: Can R5F100MFGFA#10 be used as a direct replacement for R5F100MFGFB#10?

A: R5F100MFGFA#10 is electrically and functionally equivalent to R5F100MFGFB#10. The primary difference is the package footprint: R5F100MFGFA#10 uses an 80-LQFP (14x14) package while R5F100MFGFB#10 uses an 80-LFQFP (12x12) package. Direct substitution requires PCB layout modification to accommodate the larger footprint.

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

A: The #10 and #30 suffixes indicate different tape reel specifications for automated assembly processes. Both designations refer to the same microcontroller with identical electrical characteristics and performance. Selection depends on manufacturing equipment compatibility and supply chain requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts, including R5F100MFGFB#10, R5F100MFGFA#10, R5F100MFGFA#30, and R5F100MFGFB#30, are ROHS3 compliant and REACH unaffected.

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

A: Both packages contain 80 pins in a low-profile quad flat package (LQFP) configuration. The 80-LFQFP (12x12) is a compact variant with 12x12mm dimensions, while the 80-LQFP (14x14) has larger 14x14mm dimensions. Pin pitch and electrical characteristics remain identical. Package selection depends on PCB space availability and thermal management requirements.

Q: Can I substitute R5F100MFGFB#30 for R5F100MFGFB#10 without PCB modifications?

A: Yes. Both parts use the identical 80-LFQFP (12x12) package footprint. The #30 and #10 designations refer only to tape reel specifications. No PCB layout changes are required for this substitution.

Q: Are the memory specifications identical across all substitute parts?

A: Yes. All substitute parts contain 96KB FLASH program memory, 8KB EEPROM, and 8KB RAM. Memory organization, access timing, and functionality are identical across R5F100MFGFB#10, R5F100MFGFA#10, R5F100MFGFA#30, and R5F100MFGFB#30.

Q: Do all substitute parts support the same connectivity interfaces?

A: Yes. All parts support identical connectivity options: CSI, I2C, LINbus, and UART/USART. Peripheral features including DMA, LVD, POR, PWM, and WDT are identical across all substitute parts.

Q: What is the operating temperature range for these microcontrollers?

A: All parts operate across -40°C to 105°C ambient temperature range. This specification is identical for R5F100MFGFB#10, R5F100MFGFA#10, R5F100MFGFA#30, and R5F100MFGFB#30.

Q: Are there any differences in supply voltage requirements?

A: No. All substitute parts operate within the identical supply voltage range of 2.4V to 5.5V. Voltage regulation and power management requirements are equivalent across all parts.

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