Renesas Electronics R5F104GCDFB#X0 Equivalent & Substitute Parts

Part Overview

The Renesas Electronics R5F104GCDFB#X0 is a 16-bit RL78/G14 microcontroller IC featuring 32KB FLASH memory, 4KB EEPROM, and 4KB RAM in a 48-LFQFP (7x7) surface mount package. This device operates at 32MHz with integrated connectivity options including CSI, I2C, LINbus, and UART/USART, along with peripherals such as DMA, LVD, POR, PWM, and WDT. The R5F104GCDFB#X0 is currently discontinued at DiGi Electronics, necessitating identification of equivalent substitute parts for ongoing design requirements and production needs.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Series	RL78/G14
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	32KB (32K x 8) FLASH
EEPROM Size	4K x 8
RAM Size	4K x 8
Number of I/O	34
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Data Converters	A/D 10x8/10b
Connectivity	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	48-LQFP
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the R5F104GCDFB#X0 is determined by strict equivalence across the following critical parameters:

Microcontroller Series & Core: RL78/G14 series with RL78 core processor
Memory Configuration: 32KB FLASH, 4KB EEPROM, 4KB RAM
Processing Speed: 32MHz operation
I/O Count: 34 I/O pins
Package Type: 48-LQFP surface mount package
Voltage Range: 1.6V ~ 5.5V supply compatibility
Connectivity & Peripherals: CSI, I2C, LINbus, UART/USART; DMA, LVD, POR, PWM, WDT
Environmental Compliance: ROHS3 compliance and MSL 3 rating

Substitute parts must maintain identical electrical specifications, pin configuration, and functional capabilities. Variations in packaging suffix (such as #X0 versus #50) and tape & reel designation do not affect core functionality or electrical performance.

Parameter Comparison

Parameter	R5F104GCDFB#X0 (Main)	R5F104GCDFB#50 (Direct Substitute)	R5F104GCAFB#50 (Parametric Equivalent)
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RL78/G14	RL78/G14	RL78/G14
Core Processor	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit
Speed	32MHz	32MHz	32MHz
Program Memory Size	32KB (32K x 8) FLASH	32KB (32K x 8) FLASH	32KB (32K x 8) FLASH
EEPROM Size	4K x 8	4K x 8	4K x 8
RAM Size	4K x 8	4K x 8	4K x 8
Number of I/O	34	34	34
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V
Data Converters	A/D 10x8/10b	A/D 10x8/10b	A/D 10x8/10b
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	48-LQFP	48-LQFP	48-LQFP
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Discontinued at DiGi Electronics	Active	Active
Packaging Type	Standard	Standard	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)

Engineering Selection Recommendations

The R5F104GCDFB#X0 is discontinued at DiGi Electronics. Both substitute parts maintain full electrical and functional equivalence with identical core specifications, memory configuration, and peripheral integration.

R5F104GCDFB#50 is a direct manufacturer substitute with active product status. This part is functionally identical to the original R5F104GCDFB#X0, differing only in packaging suffix designation. Selection of this part ensures continuity with existing designs without modification.

R5F104GCAFB#50 is a parametric equivalent available in Tape & Reel (TR) packaging. This part maintains all electrical specifications and functional capabilities identical to the main part. The TR packaging format is suitable for high-volume production environments. Both substitute parts carry ROHS3 compliance and MSL 3 rating, meeting the same environmental and regulatory requirements as the original part.

Frequently Asked Questions (FAQ)

Q: Can R5F104GCDFB#50 be used as a direct replacement for R5F104GCDFB#X0?

A: Yes. R5F104GCDFB#50 is a direct manufacturer substitute with identical electrical specifications, memory configuration, I/O count, and peripheral integration. The difference in packaging suffix does not affect functionality or performance.

Q: What is the difference between R5F104GCDFB#50 and R5F104GCAFB#50?

A: Both parts are parametrically equivalent with identical core specifications. The primary difference is packaging format: R5F104GCDFB#50 is supplied in standard packaging, while R5F104GCAFB#50 is supplied in Tape & Reel (TR) format. TR packaging is optimized for automated assembly in high-volume production.

Q: Are all substitute parts pin-compatible with the original R5F104GCDFB#X0?

A: Yes. All substitute parts use the 48-LQFP package with 34 I/O pins in identical pin configuration. No PCB layout modifications are required.

Q: Do the substitute parts meet the same compliance requirements?

A: Yes. All substitute parts are ROHS3 compliant with MSL 3 (168 Hours) rating, matching the original part's environmental and regulatory compliance.

Q: Which substitute part should be selected for new production orders?

A: R5F104GCAFB#50 in Tape & Reel format is recommended for high-volume production due to packaging efficiency. R5F104GCDFB#50 in standard packaging is suitable for lower-volume or prototype applications. Both parts are functionally equivalent and interchangeable.

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