Renesas Electronics R5F100JCDFA#X0 RL78/G13 Microcontroller - Equivalent & Substitute Parts

Part Overview

The Renesas Electronics R5F100JCDFA#X0 is a 16-bit RL78/G13 microcontroller featuring 32KB FLASH memory, 4KB EEPROM, and 2KB RAM in a 52-LQFP package. This device integrates multiple communication interfaces (CSI, I2C, LINbus, UART/USART) and peripheral functions (DMA, LVD, POR, PWM, WDT) suitable for embedded control applications. The main part carries an obsolete product status, making identification of active equivalent alternatives essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	32KB (32K x 8)
Program Memory Type	FLASH
EEPROM Size	4K x 8
RAM Size	2K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Number of I/O	38
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)
Package / Case	52-LQFP (10x10)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the R5F100JCDFA#X0 is determined by strict equivalence across the following critical parameters:

Core Architecture: RL78 processor family, 16-bit core
Memory Configuration: 32KB FLASH, 4KB EEPROM, 2KB RAM
Clock Speed: 32MHz operation
I/O Count: 38 I/O pins
Connectivity Interfaces: CSI, I2C, LINbus, UART/USART
Peripheral Set: DMA, LVD, POR, PWM, WDT
Analog Capability: A/D 12x8/10b
Voltage Range: 1.6V ~ 5.5V
Package: 52-LQFP (10x10)
Temperature Range: -40°C ~ 85°C

Identified substitutes maintain identical electrical and functional specifications. Differences are limited to product status (active vs. obsolete) and packaging configuration (bulk vs. tape & reel).

Parameter Comparison

Parameter	R5F100JCDFA#X0 (Main)	R5F100JCDFA#50 (Direct)	R5F100JCAFA#50 (Parametric)
Manufacturer	Renesas Electronics	Renesas Electronics	Renesas Electronics
Series	RL78/G13	RL78/G13	RL78/G13
Core Processor	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit
Speed	32MHz	32MHz	32MHz
Program Memory Size	32KB (32K x 8)	32KB (32K x 8)	32KB (32K x 8)
Program Memory Type	FLASH	FLASH	FLASH
EEPROM Size	4K x 8	4K x 8	4K x 8
RAM Size	2K x 8	2K x 8	2K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V
Number of I/O	38	38	38
Data Converters	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
Peripherals	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)
Package / Case	52-LQFP (10x10)	52-LQFP (10x10)	52-LQFP (10x10)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active
Packaging	Bulk	Bulk	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	Not specified	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

R5F100JCDFA#50 is the direct functional equivalent with active product status. This part maintains identical electrical specifications and package configuration to the obsolete R5F100JCDFA#X0, differing only in product lifecycle status. Selection of this part ensures continuity for designs currently using the main part number.

R5F100JCAFA#50 is a parametric equivalent with active product status and tape & reel packaging. This part provides identical functional and electrical performance with the added benefit of REACH compliance documentation. The tape & reel packaging configuration suits high-volume production environments and automated assembly processes.

Both substitutes carry ROHS3 compliance and identical MSL ratings, ensuring compatibility with standard PCB assembly and storage protocols. Selection between R5F100JCDFA#50 and R5F100JCAFA#50 depends on packaging requirements: bulk configuration for standard procurement or tape & reel for automated manufacturing workflows.

Frequently Asked Questions (FAQ)

Q: Can R5F100JCDFA#50 be used as a direct replacement for R5F100JCDFA#X0?

A: Yes. Both parts are electrically and functionally identical. The primary difference is product status: R5F100JCDFA#X0 is obsolete while R5F100JCDFA#50 is active. All electrical parameters, memory configuration, I/O count, connectivity interfaces, and package specifications are equivalent.

Q: What is the difference between R5F100JCDFA#50 and R5F100JCAFA#50?

A: Both parts are parametric equivalents with identical core specifications. The difference lies in packaging format: R5F100JCDFA#50 is supplied in bulk configuration, while R5F100JCAFA#50 is supplied in tape & reel (TR) format. R5F100JCAFA#50 also includes REACH compliance documentation. Electrical and functional performance are identical.

Q: Are there any pin compatibility concerns when substituting these parts?

A: No. All three parts use the 52-LQFP (10x10) package with 38 I/O pins. Pin assignments, voltage requirements (1.6V ~ 5.5V), and operating temperature ranges (-40°C ~ 85°C) are identical across all substitutes.

Q: Which substitute should be selected for new production designs?

A: R5F100JCAFA#50 is recommended for new production designs. This part carries active product status, REACH compliance, and tape & reel packaging suitable for automated assembly. It provides the longest lifecycle support and supply continuity.

Q: Do these substitutes require firmware modifications?

A: No. All parts share identical core architecture (RL78 16-bit processor), memory configuration (32KB FLASH, 4KB EEPROM, 2KB RAM), and peripheral sets (DMA, LVD, POR, PWM, WDT). Firmware compatibility is maintained without modification.

Q: Are there storage or handling differences between these parts?

A: All parts carry identical MSL rating of 3 (168 Hours), requiring the same moisture control and storage protocols. Tape & reel packaging (R5F100JCAFA#50) may offer improved protection during automated handling compared to bulk packaging.

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