R5F100LLDFB#10 Equivalent & Substitute Parts

Part Overview

The R5F100LLDFB#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 multiple connectivity options including CSI, I2C, LINbus, and UART/USART, along with integrated peripherals such as DMA, LVD, POR, PWM, and WDT. The device is housed in a 64-LFQFP (10x10) surface mount package with 48 I/O pins and is currently in active product status with ROHS3 compliance.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging configurations are required for specific PCB layouts, or when design revisions necessitate compatible alternatives that maintain functional and electrical compatibility.

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 12x8/10b
Number of I/O	48
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	64-LQFP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the R5F100LLDFB#10 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

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 Range: 1.6V ~ 5.5V
Data Converters: A/D 12x8/10b
Number of I/O: 48
Connectivity: CSI, I2C, LINbus, UART/USART
Peripherals: DMA, LVD, POR, PWM, WDT
Operating Temperature: -40°C ~ 85°C (TA)

Mechanical Compatibility Considerations:

Mounting Type: Surface Mount
Package / Case: 64-LQFP
Supplier Device Package: 64-LFQFP (10x10) or 64-LQFP (12x12)

Compliance Requirements:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 3 (168 Hours)
Product Status: Active

Substitute parts are grouped into two categories based on package footprint: 64-LFQFP (10x10) and 64-LQFP (12x12). Parts within each footprint category are electrically and mechanically interchangeable. The R5F140LLAFB#30 represents a series variant (RL78/G13A) that maintains full electrical equivalence while offering enhanced features within the same package envelope.

Parameter Comparison

Parameter	R5F100LLDFB#10	R5F100LLAFA#30	R5F100LLAFB#30	R5F100LLDFA#30	R5F100LLDFB#30	R5F140LLAFB#30
Manufacturer	Renesas	Renesas	Renesas	Renesas	Renesas	Renesas
Series	RL78/G13	RL78/G13	RL78/G13	RL78/G13	RL78/G13	RL78/G13A
Core Processor	RL78	RL78	RL78	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit	16-Bit	16-Bit	16-Bit
Speed	32MHz	32MHz	32MHz	32MHz	32MHz	32MHz
Program Memory Size	512KB	512KB	512KB	512KB	512KB	512KB
Program Memory Type	FLASH	FLASH	FLASH	FLASH	FLASH	FLASH
EEPROM Size	8K x 8	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	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	1.6V ~ 5.5V
Data Converters	A/D 12x8/10b	A/D 12x8/10b	A/D 12x8/10b	A/D 12x8/10b	A/D 12x8/10b	A/D 12x8/10b
Number of I/O	48	48	48	48	48	48
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	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	DMA, LVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	64-LFQFP (10x10)	64-LQFP (12x12)	64-LFQFP (10x10)	64-LQFP (12x12)	64-LFQFP (10x10)	64-LFQFP (10x10)
RoHS Status	ROHS3 Compliant	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)	3 (168 Hours)
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and functional equivalence to the R5F100LLDFB#10 microcontroller. Selection among substitute parts is determined by PCB layout requirements and package footprint constraints.

For 64-LFQFP (10x10) Footprint Compatibility: The R5F100LLAFB#30, R5F100LLDFB#30, and R5F140LLAFB#30 are direct mechanical substitutes for the R5F100LLDFB#10. These parts share identical package dimensions and pin assignments, enabling direct replacement on existing PCB designs without layout modifications. All three parts maintain ROHS3 compliance and MSL 3 rating.

For 64-LQFP (12x12) Footprint Compatibility: The R5F100LLAFA#30 and R5F100LLDFA#30 are suitable for designs that accommodate the larger 12x12 package footprint. These parts provide equivalent electrical functionality with alternative package geometry.

Series Variant Consideration: The R5F140LLAFB#30 represents the RL78/G13A series variant, which maintains complete electrical equivalence to the RL78/G13 base series while offering enhanced capabilities. This part is suitable for applications requiring advanced features within the same electrical and mechanical envelope.

All substitute parts are currently in active product status with confirmed ROHS3 compliance and identical moisture sensitivity specifications. Selection should be based on PCB layout requirements and package footprint availability.

Frequently Asked Questions (FAQ)

Q: Can R5F100LLAFB#30 be used as a direct replacement for R5F100LLDFB#10?

A: Yes. The R5F100LLAFB#30 is electrically equivalent to the R5F100LLDFB#10 and shares the same 64-LFQFP (10x10) package footprint. Both parts are pin-compatible and functionally interchangeable.

Q: What is the difference between the 64-LFQFP (10x10) and 64-LQFP (12x12) packages?

A: The primary difference is physical package size. The 64-LFQFP (10x10) is a smaller footprint measuring 10mm x 10mm, while the 64-LQFP (12x12) measures 12mm x 12mm. Both packages contain 64 pins with identical electrical functionality. Package selection depends on available PCB space and design layout requirements.

Q: Is the R5F140LLAFB#30 compatible with designs using R5F100LLDFB#10?

A: Yes. The R5F140LLAFB#30 is electrically equivalent and shares the same 64-LFQFP (10x10) package footprint as the R5F100LLDFB#10. The R5F140 represents the RL78/G13A series variant, which maintains full compatibility while offering enhanced features.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and maintain identical moisture sensitivity specifications (MSL 3, 168 Hours) to the R5F100LLDFB#10.

Q: What determines whether a part can substitute for R5F100LLDFB#10?

A: Substitution is determined by electrical equivalence across core parameters including processor type, core size, clock speed, memory configuration (FLASH, RAM, EEPROM), voltage supply range, I/O count, connectivity options, and peripheral set. Mechanical compatibility requires matching package type and pin configuration.

Q: Can parts with different package codes (FB vs. FA) be used interchangeably?

A: Package codes (FB, FA, FD) indicate different manufacturing batches or tape/reel configurations but do not affect electrical functionality or pin compatibility. Parts with different package codes but identical package types (64-LFQFP or 64-LQFP) are mechanically and electrically interchangeable.

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

A: The numeric suffix indicates the tape and reel configuration or packaging revision. These suffixes do not affect electrical performance or functional compatibility. Parts with different suffixes are functionally equivalent.

Q: Are all substitute parts currently available in inventory?

A: Inventory status varies by part number. Refer to current inventory data for real-time availability of specific part numbers.

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