R5F104GCDFB#V0 Equivalent & Substitute Parts

Part Overview

The R5F104GCDFB#V0 is a 16-bit RL78/G14 microcontroller manufactured by Renesas Electronics Corporation, featuring 32KB FLASH memory, 4KB EEPROM, and 4KB RAM in a 48-LFQFP surface mount package. This device integrates multiple communication interfaces (CSI, I2C, LINbus, UART/USART), analog-to-digital conversion, and comprehensive peripheral support for embedded control applications.

The R5F104GCDFB#V0 carries an obsolete product status. Identifying equivalent and substitute parts ensures design continuity and supply chain reliability for applications currently utilizing this microcontroller.

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)
Program Memory Type	FLASH
EEPROM Size	4K x 8
RAM Size	4K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Number of I/O	34
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#V0 is determined by strict equivalence across the following critical parameters:

Processor Architecture: RL78 core, 16-bit
Memory Configuration: 32KB FLASH, 4KB EEPROM, 4KB RAM
Clock Speed: 32MHz
Package: 48-LQFP (7x7mm)
Voltage Range: 1.6V ~ 5.5V
Peripheral Set: CSI, I2C, LINbus, UART/USART, DMA, LVD, POR, PWM, WDT
I/O Count: 34 pins
Analog Capability: 10-channel 8-bit / 10-bit A/D converter
Temperature Range: -40°C ~ 85°C

The substitute parts R5F104GCAFB#10, R5F104GCAFB#30, and R5F104GCDFB#10 maintain identical electrical and functional specifications. Differences exist only in product status and packaging configuration, which do not affect electrical compatibility or functional performance in circuit applications.

Parameter Comparison

Parameter	R5F104GCDFB#V0	R5F104GCAFB#10	R5F104GCAFB#30	R5F104GCDFB#10
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RL78/G14	RL78/G14	RL78/G14	RL78/G14
Core Processor	RL78	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit	16-Bit
Speed	32MHz	32MHz	32MHz	32MHz
Program Memory Size	32KB (32K x 8)	32KB (32K x 8)	32KB (32K x 8)	32KB (32K x 8)
Program Memory Type	FLASH	FLASH	FLASH	FLASH
EEPROM Size	4K x 8	4K x 8	4K x 8	4K x 8
RAM Size	4K x 8	4K x 8	4K x 8	4K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V
Number of I/O	34	34	34	34
Data Converters	A/D 10x8/10b	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	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
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	48-LQFP	48-LQFP	48-LQFP	48-LQFP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active	Active	Active

Engineering Selection Recommendations

All substitute parts maintain full electrical and functional equivalence to the R5F104GCDFB#V0. Selection among available options should prioritize product status and supply availability:

R5F104GCAFB#10 and R5F104GCAFB#30 are recommended as primary substitutes due to active product status, ensuring long-term availability and manufacturing support. Both parts are supplied in Tray packaging and maintain identical electrical specifications.

R5F104GCDFB#10 is an active-status alternative with equivalent electrical performance. This part carries the same base product number suffix as the original obsolete part, providing design continuity.

All substitute parts comply with ROHS3 and REACH requirements, maintaining regulatory compliance for applications requiring environmental and hazardous substance restrictions.

Frequently Asked Questions (FAQ)

Q: Are the substitute parts pin-compatible with the R5F104GCDFB#V0?

A: Yes. All substitute parts use the 48-LQFP package with identical pin configuration, voltage specifications, and I/O assignments. Direct replacement is possible without circuit modification.

Q: What is the difference between R5F104GCAFB and R5F104GCDFB variants?

A: The part numbers differ only in the suffix designation (GCAFB vs. GCDFB). All electrical parameters, memory configuration, peripheral functionality, and package specifications are identical. The suffix reflects internal Renesas classification but does not affect circuit performance or compatibility.

Q: Can I use R5F104GCAFB#10 or R5F104GCAFB#30 interchangeably?

A: Yes. Both parts are electrically identical. The suffix (#10 vs. #30) indicates packaging configuration or manufacturing batch designation but does not affect electrical or functional performance. Selection can be based on supply availability and packaging preference.

Q: Why is the original R5F104GCDFB#V0 marked as obsolete?

A: Obsolete status indicates that Renesas Electronics Corporation has discontinued active manufacturing and support for this specific part number variant. Active alternatives with identical specifications are available to ensure design continuity.

Q: Are there any firmware or software compatibility concerns when substituting these parts?

A: No. All substitute parts share the identical RL78 processor core, memory architecture, and peripheral configuration. Existing firmware compiled for the R5F104GCDFB#V0 will execute without modification on any substitute part.

Q: What is the Moisture Sensitivity Level (MSL) 3 rating?

A: MSL 3 indicates the component can be exposed to moisture for up to 168 hours before soldering without degradation. Standard moisture control procedures during storage and handling are required to maintain component reliability.

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