R5F100LJDFB#V0 Equivalent & Substitute Parts

Part Overview

The R5F100LJDFB#V0 is a 16-bit RL78/G13 microcontroller manufactured by Renesas Electronics Corporation, featuring 256KB FLASH memory, 20KB RAM, and 8KB EEPROM in a 64-LQFP package. This part is classified as obsolete. Equivalent and substitute parts are necessary to ensure design continuity and maintain supply chain flexibility for applications requiring RL78/G13 microcontroller functionality with identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
EEPROM Size	8K x 8
RAM Size	20K x 8
Number of I/O	48
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Data Converters	A/D 12x8/10b
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	64-LQFP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the R5F100LJDFB#V0 is determined by strict equivalence across the following critical parameters:

Core processor architecture (RL78)
Memory configuration (256KB FLASH, 20KB RAM, 8KB EEPROM)
Electrical specifications (1.6V ~ 5.5V supply, 32MHz operation)
I/O count (48 pins)
Peripheral set (CSI, I2C, LINbus, UART/USART, DMA, LVD, POR, PWM, WDT)
Package type (64-LQFP)
Compliance certifications (ROHS3, REACH Unaffected)

Substitute parts are grouped into two categories:

Direct Manufacturer Substitutes: Parts with identical electrical and mechanical specifications, differing only in product status or packaging designation.

Parametric Equivalents: Parts with identical core functionality and electrical parameters but variations in package footprint dimensions (10x10 vs. 12x12 LQFP) or packaging format (Tray vs. standard packaging).

Parameter Comparison

Parameter	R5F100LJDFB#V0	R5F100LJDFB#30	R5F100LJAFA#10	R5F100LJAFA#30	R5F100LJAFB#10	R5F100LJAFB#30
Series	RL78/G13	RL78/G13	RL78/G13	RL78/G13	RL78/G13	RL78/G13
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	256KB	256KB	256KB	256KB	256KB	256KB
EEPROM Size	8K x 8	8K x 8	8K x 8	8K x 8	8K x 8	8K x 8
RAM Size	20K x 8	20K x 8	20K x 8	20K x 8	20K x 8	20K x 8
Number of I/O	48	48	48	48	48	48
Voltage Supply	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
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
Package / Case	64-LQFP	64-LQFP	64-LQFP	64-LQFP	64-LQFP	64-LQFP
Supplier Device Package	64-LFQFP (10x10)	64-LFQFP (10x10)	64-LQFP (12x12)	64-LQFP (12x12)	64-LFQFP (10x10)	64-LFQFP (10x10)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

R5F100LJDFB#30: Direct manufacturer substitute with identical electrical and mechanical specifications. Product status is Active, ensuring ongoing availability and support. This part is the primary recommended replacement for the obsolete R5F100LJDFB#V0.

R5F100LJAFB#10 and R5F100LJAFB#30: Parametric equivalents with identical core functionality and electrical specifications. Both feature 64-LFQFP (10x10) package footprint matching the original part. Product status is Active. These parts are suitable for applications where the 10x10 package footprint is required.

R5F100LJAFA#10 and R5F100LJAFA#30: Parametric equivalents with identical electrical specifications but featuring 64-LQFP (12x12) package footprint. Product status is Active. These parts are suitable only for designs that accommodate the larger 12x12 footprint or where PCB layout permits package substitution.

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the original part.

Frequently Asked Questions (FAQ)

Q: Can R5F100LJDFB#30 be used as a direct replacement for R5F100LJDFB#V0?

A: Yes. R5F100LJDFB#30 is a direct manufacturer substitute with identical electrical and mechanical specifications. The only difference is product status (Active vs. Obsolete). No design modifications are required.

Q: What is the difference between the 10x10 and 12x12 package footprints?

A: The supplier device package dimension differs: 64-LFQFP (10x10) for R5F100LJDFB#V0, R5F100LJDFB#30, R5F100LJAFB#10, and R5F100LJAFB#30; and 64-LQFP (12x12) for R5F100LJAFA#10 and R5F100LJAFA#30. PCB layout and land pattern design must accommodate the selected package footprint. Parts with different footprints are not interchangeable without PCB redesign.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory profile of the original R5F100LJDFB#V0.

Q: What is the inventory status of substitute parts?

A: R5F100LJDFB#30 has 851 units in stock. R5F100LJAFB#30 has the highest inventory at 1709 units. R5F100LJAFA#30 has 1392 units. R5F100LJAFB#10 has 639 units. R5F100LJAFA#10 has 864 units. Inventory levels support production requirements for RL78/G13 microcontroller applications.

Q: Do all substitute parts support identical connectivity and peripherals?

A: Yes. All substitute parts feature identical connectivity (CSI, I2C, LINbus, UART/USART) and peripheral sets (DMA, LVD, POR, PWM, WDT), ensuring functional compatibility across all listed alternatives.

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