R5F100MLAFB#10 Equivalent & Substitute Parts

Part Overview

The R5F100MLAFB#10 is a 16-bit embedded microcontroller from Renesas Electronics Corporation, part of the RL78/G13 series. This device integrates 512KB of FLASH program memory, 32KB of RAM, and 8KB of EEPROM, operating at 32MHz with a supply voltage range of 1.6V to 5.5V. 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 R5F100MLAFB#10 is housed in an 80-LFQFP (12x12mm) surface mount package and maintains Active product status with full RoHS3 compliance.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging configurations are required for PCB layout optimization, or when inventory constraints necessitate sourcing from alternative stock positions. The substitute parts listed maintain identical electrical specifications and core functionality while offering variations in package geometry and lead frame configurations.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Series	RL78/G13
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	512KB (512K x 8)
Program Memory Type	FLASH
EEPROM Size	8K x 8
RAM Size	32K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Data Converters	A/D 17x8/10b
Number of I/O	64
Connectivity	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the R5F100MLAFB#10 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

Identical core processor architecture (RL78)
Identical core size (16-Bit)
Identical operating frequency (32MHz)
Identical program memory capacity (512KB FLASH)
Identical RAM capacity (32K x 8)
Identical EEPROM capacity (8K x 8)
Identical supply voltage range (1.6V ~ 5.5V)
Identical data converter specifications (A/D 17x8/10b)
Identical I/O count (64 pins)
Identical connectivity interfaces (CSI, I2C, LINbus, UART/USART)
Identical peripheral set (DMA, LVD, POR, PWM, WDT)
Identical operating temperature range (-40°C ~ 85°C)

Mechanical Compatibility Variations: Substitute parts differ only in package geometry while maintaining the same pin count and electrical functionality. The R5F100MLAFB#10 uses an 80-LFQFP (12x12mm) package. Substitute parts may utilize either 80-LFQFP (12x12mm) or 80-LQFP (14x14mm) configurations. Both package types are surface mount and accommodate the same electrical specifications.

Compliance Equivalence: All substitute parts maintain identical RoHS3 compliance, MSL rating (3, 168 Hours), and REACH Unaffected status.

Parameter Comparison

Parameter	R5F100MLAFB#10	R5F100MLAFA#30	R5F100MLAFB#30	R5F100MLDFA#30	R5F100MLDFB#30
Manufacturer	Renesas Electronics	Renesas Electronics	Renesas Electronics	Renesas Electronics	Renesas Electronics
Series	RL78/G13	RL78/G13	RL78/G13	RL78/G13	RL78/G13
Core Processor	RL78	RL78	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit	16-Bit	16-Bit
Speed	32MHz	32MHz	32MHz	32MHz	32MHz
Program Memory Size	512KB (512K x 8)	512KB (512K x 8)	512KB (512K x 8)	512KB (512K x 8)	512KB (512K x 8)
Program Memory Type	FLASH	FLASH	FLASH	FLASH	FLASH
EEPROM Size	8K x 8	8K x 8	8K x 8	8K x 8	8K x 8
RAM Size	32K x 8	32K x 8	32K x 8	32K x 8	32K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V
Data Converters	A/D 17x8/10b	A/D 17x8/10b	A/D 17x8/10b	A/D 17x8/10b	A/D 17x8/10b
Number of I/O	64	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	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	DMA, LVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	80-LFQFP (12x12)	80-LQFP (14x14)	80-LFQFP (12x12)	80-LQFP (14x14)	80-LFQFP (12x12)
RoHS Status	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status with full RoHS3 compliance and REACH Unaffected designation, ensuring regulatory compliance across all applications. The electrical specifications are identical across all variants, guaranteeing functional equivalence in circuit operation.

Package Selection Considerations:

The R5F100MLAFB#10 and R5F100MLDFB#30 utilize the 80-LFQFP (12x12mm) package, providing a smaller footprint suitable for space-constrained applications. The R5F100MLAFA#30 and R5F100MLDFA#30 utilize the 80-LQFP (14x14mm) package, offering a larger footprint with potentially improved thermal characteristics and handling during assembly.

Inventory Availability:

Current stock levels are as follows: R5F100MLAFB#10 (851 units), R5F100MLAFA#30 (1800 units), R5F100MLAFB#30 (1149 units), R5F100MLDFA#30 (1336 units), and R5F100MLDFB#30 (1831 units). Selection based on availability and package geometry requirements is appropriate for production planning.

Compliance and Certification:

All parts maintain identical MSL rating (3, 168 Hours), ensuring equivalent moisture handling requirements during storage and assembly. All parts carry identical ECCN (3A991A2) and HTSUS (8542.31.0001) classifications for export and tariff purposes.

Frequently Asked Questions (FAQ)

Q: Can R5F100MLAFA#30 be used as a direct replacement for R5F100MLAFB#10?

A: R5F100MLAFA#30 is electrically equivalent to R5F100MLAFB#10 across all functional parameters. The primary difference is the package geometry: R5F100MLAFA#30 uses an 80-LQFP (14x14mm) package compared to the 80-LFQFP (12x12mm) package of the R5F100MLAFB#10. PCB layout modifications are required to accommodate the larger footprint.

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

A: Both packages contain 80 pins and are surface mount configurations. The 80-LFQFP (12x12mm) is a more compact package suitable for space-constrained designs. The 80-LQFP (14x14mm) is a larger package that may offer improved thermal performance and easier handling during assembly. Pin pitch and electrical connectivity remain identical.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts listed (R5F100MLAFA#30, R5F100MLAFB#30, R5F100MLDFA#30, and R5F100MLDFB#30) maintain RoHS3 compliance identical to the R5F100MLAFB#10.

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

A: Yes, all substitute parts contain identical memory specifications: 512KB FLASH program memory, 32KB RAM, and 8KB EEPROM. No functional differences exist in memory capacity or type.

Q: What is the significance of the "#10" and "#30" suffixes in the part numbers?

A: The suffix designations indicate different packaging or tape reel configurations. Both "#10" and "#30" variants are electrically and functionally identical. The suffix relates to packaging presentation and does not affect electrical performance or compatibility.

Q: Can I use R5F100MLDFB#30 in place of R5F100MLAFB#10?

A: R5F100MLDFB#30 is electrically equivalent to R5F100MLAFB#10 and uses the same 80-LFQFP (12x12mm) package geometry. This part is a direct substitute with no PCB layout modifications required.

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

A: All substitute parts operate across the identical temperature range of -40°C to 85°C (TA), ensuring equivalent thermal performance across all variants.

Q: Are there any differences in connectivity interfaces between the main part and substitutes?

A: No, all parts feature identical connectivity: CSI, I2C, LINbus, and UART/USART. Peripheral functions (DMA, LVD, POR, PWM, WDT) are also identical across all variants.

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